chocolate chip cookie homogeneous or heterogeneous

the horizontal line at the boiling point is longer than the horizontal line at the melting point. The type of mixture chocolate is depends on the chocolate. 2. joules to melt 17.0 g of ice Accept any reasonable answer. Indicate the maximum number of electrons in the following: compounds. for a substance is defined as the amount of heat needed to raise the temperature of exactly 1 g of a substance by exactly 1 C. 3. b. 8. Is cereal and milk a homogeneous mixture or a heterogeneous mixture? True or False: The faster the particles move, the greater the heat or thermal energy of the substance? 3780 J, 904 cal You aren't able to separate the ingredients in the sauce or the dough. A) The components of a mixture do not have the same properties individually as they do when mixed. . 3. kilocalories to condense 8.0 kg of steam 335 K 1. water at the top of a waterfall Mixture The difference between homogeneous and heterogeneous is whether not the composition and appearance of the substance is consistent throughout. CVA Environmental Science Module 2 - The Interdisciplinary Nature of Environmental Science A2.02.1 Fundamentals of Matter and Chemistry Scavenger Hunt View the video at this link - CVA Environmental Science Classifica4on of Ma7er Direc4ons: Part 1: A9er watching the video, fill in the missing words in the paragraphs. sulfur an electron and a neutron = no, Which of the following pairs of particles have the same charges? N carries a negative charge, two protons = yes Is chicken soup an example of a homogeneous or heterogeneous mixture? 2. sublevels in the n=1 energy level Is a bucket of rocks and sand an example of a heterogeneous or homogenous mixture? human body. Ca For example, "Hg" is the elemental symbol for the element named "mercury," which contains neither an "h" nor an "g" in its spelling! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 4. (a) KCl is the solute in a homogeneous mixture (b) KCl is the solute in a heterogeneous mixture (c) KCl is the solvent in a homogeneous mixture (d) KCl is the solvent in a heterogeneous mixture. gas, Calculate the heat change at 100 C for each of the following, and indicate whether heat was absorbed/released: Water vapor is converted back to liquid as the water particles lose kinetic energy and slow down. Chocolate chip cookies are a heterogeneous mixture. Explanation:Since both the "C" and the "O" are capitalized, each must represent its own unique element (carbon and oxygen, respectively). 2. Therefore salt water is a homogeneous mixture. - Are tiny particles of matter. The particles of a solid gain sufficient energy to overcome the attractive forces that hold them together The three phases or states of matter are gas, liquid, and solid. A bar of chocolate would be considered a mixture. In a heterogeneous mixture, all particles are visible because the mixture is not evenly distributed-for example, oil and water, vegetable soup, etc. 1810 J, 434 cal Indicate the number of each in the following: other elements. 3. To convert from degrees Fahrenheit to degrees Celsius? 3. -same shape as their container 1. c. Heterogeneous mixture. How would you classify the following material? - They usually melt at higher temperatures than nonmetals. 2. Pb A chocolate chip cookie is an example of a (2 points) a homogeneous mixture b heterogeneous mixture c suspension d colloid 2 See answers Advertisement Advertisement jgcarlso jgcarlso Answer: I think it is heterogeneous mixture. The chemical formula for this incredibly important substance is "H2O". A chocolate chip cookie is a heterogeneous mixture. 7. All rights reserved. If the temperature drops to -11 C, what is it in degrees Fahrenheit? . 25C to F liquid Answer a: Heterogeneous Chocolate chip cookies are a heterogeneous mixture. e. natural gas. Is isopropyl alcohol a heterogeneous or homogeneous mixture? is an element that loses valence electrons easily Define the following terms. 3. The ice cream itself will not be uniform, as the dough bites will also be spread out unevenly throughout the material, even though ice cream makers work very hard to make sure that every bite of ice cream is as close as possible to the same. 3. oxygen gas (O2) f. styrofoam. Explain. \\ 1. solution 2. solute 3. solvent 4. heterogeneous 5. homogeneous 6. alloy. The mixture is heterogeneous because if several samples were taken, each sample would contain a different number of chocolate chips, making every sample "unequally chocolatey.". 1. oxygen 3. has a pale, yellow color Figure 2.9 Oil and water do not mix, instead forming two distinct layers called phases. 3. What did Rutherford determine about the structure of the atom from his gold-foil experiment? Explain Homogeneous catalysis and Heterogeneous catalysis. At room temperature, mercury is a liquid = physical, Describe each of the following as a physical or chemical property: How can you separate components in a mixture? Is cake batter classified as a pure substance (element or compound) or a mixture? Chlorine Is soil classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? ; Heterogeneous mixtures include multi-phase substances (different states of matter), such as sand and . 3. 1. joules Halo-halo44. True or False: Pure substances that are compounds can be broken down by chemical processes into their elements. Any system with two phases . 2. 4. In chocolate chip cookies, the mixture is not evenly distributed. 396 kJ released. Food is digested, melts at 1852C = physical 4. The mixture is homogeneous because if several samples were taken, each sample would contain both salt and water in the same relative ratio, making every sample "equally salty. atomic number for an "average atom," which is a weighted average of the masses of all the naturally occurring isotopes of that element. Define the following terms: pure substance, element, compound, mixture, homogeneous mixture, and heterogeneous mixture. 2. lithium Chocolate chip cookies are . -particles that move very fast ;:fercB{\'\ q1074~c<>)FYldeT. 5. Unless the cookie is made precisely with a machine, those chips are spread out throughout the cookie unevenly. Physical. A heterogeneous mixture is simply any mixture that is not uniform in composition it's a non-uniform mixture of smaller constituent parts. 1. How is a chocolate chip cookie a good example of a heterogeneous mixture? a) F a. homogeneous mixture b. heterogeneous mixture c. element d. compound. Both of these chemicals contain two hydrogens, but exchanging the oxygen for a sulfur results in a chemical that behaves very differently. Science Chemistry Chemistry questions and answers Classify each of the following as an element compound, homogeneous mixture, or heterogeneous mixture. Compound. What is completely flat soda an example of? b) Al 3 0 obj Give two examples of heterogeneous mixtures. What is the difference between a homogenous and a heterogeneous mixture? Classify each of the following mixtures as homogeneous or heterogeneous: 1. - They typically have low melting points and low densities. Indicate whether each of the following statements describes potential or kinetic energy: On Earth, matter exists in one of three physical forms called the states of matter: -has a definite shape and volume If a mixture, indicate whether it is homogeneous or heterogeneous: (a) rice pudding, (b) seawater, (c) magnesium, (d) crushed ice. Give an example of a homogeneous mixture. 96% of our body mass. Cl 65.3F=C A heterogeneous mixture consists of two or more phases. Which of the following are pure substances? }bni~ET]NNl^5r}Go^3{e&G%`ir_v/oFI::F5+=cvXLT04uj0:>tnGB $Vr"1cc:j{IZKG*T,587FHG1!7jpLrc=.GK#lq3>Q0r+V%KBC#o@%PlYG8>b;W, |V2!54Fgq9Vq:Wo{W g92s~^_$kKR_P!! A heterogeneous mixture is : made of different substances that remain physically separate (General Chemistry Online). 2. Ice is water, and the liquid part is sugar and . chemical reaction. Kinetic Chocolate chip cookies are a heterogeneous mixture. have a good day. Ar 18p, 22n, 18e, How many protons, neutrons, and electrons are present in each of the following neutral atoms? A gold ingot is hammered to form gold leaf. Finally, note that some elemental symbols do not seem to match with their elemental name. The abbreviation "Hg" is derived from the Greek word "hydrargyrum,"which means "liquid silver"- a phrase that accurately represents the appearance of mercury! 16.7 kJ released, Draw a heating curve for a sample of ice that is heated from 20C Homogeneous mixtures are sources of water, saline solution, some alloys, and bitumen. In a heterogeneous mixture, there are two or more components that are not equal throughout. Is blood classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Is taking place as water particles with sufficient energy escape from the liquid surface and enter the gas phase. Potential, Convert each of the following energy units: 2. 1. contains C, N, and O is resistant to corrosion Examples of homogeneous mixtures . 4d sublevel. Classify each of the following as a pure substance (element or compound) or a mixture (homogeneous or heterogeneous): Nitrox, a combination of oxygen and nitrogen used to fill scuba tanks In most technical applications homogeneous means that the properties of a system are the uniform throughout the entire system; heterogeneous (also inhomogeneous) means that the properties change within the system. Explain. Heterogeneous Mixture: In a heterogeneous mixture, all particles are visible because the mixture. The vocabulary discussed in this section is summarized below in Figure $\PageIndex{1}$. Is a carbonated beverage an example of a heterogeneous or homogenous mixture? After a hot shower, your bathroom mirror is covered with water. 5. Element How much energy, in kilocalories and kilojoules, is in the clam chowder? 1. d) B, What period is Ca in? Find ARA_RAR and produce a matrix R\Omega_{R}R such that RA=AR.\Omega_{R} \mathbf{A}=\mathbf{A}_{R}.RA=AR. Explain. Ca=calcium Element What is a homogeneous mixture? These compounds can be separated by boilingthe water, leaving the salt as a residue. Is marble classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? A mixture contains two or more substances. Charles has increased his activity by doing more exercise. 5. iron Identify each of the following changes of state as evaporation, boiling, or condensation: -fouroxygen, carbon, hydrogen, and nitrogenmake up - good conductors of heat and electricity As no additional capital letters are present, this chemical consists of only one elemental symbol and, therefore, is a single element (cobalt). What is meant by homogeneous or heterogeneous? How do mixtures differ from pure substances? Explain. 246 K Cobalt, Write the name for the symbol of each of the following elements found in the body: This problem has been solved! a) all matter is made up of small pieces called atoms Vegetable Oil. Explain. This same amount of heat is released when 1 g of water vapor (gas) changes to liquid at 100 C. Sugar and sand form a heterogeneous mixture. Na = sodium Cu calcium 20p, 20e Answer c: Compound As discussed above, to be a pure substance, chocolate pudding must be made up of one kind of building block, such as one kind of element, or one kind of compound. Sugar and sand form a heterogeneous mixture. 2. sulfur Sugar and sand form a heterogeneous mixture. How would you separate Fe3+ from Ba2+ in a mixture? the simplest type of a pure substance, is composed of only one type of material. 8. strontium, 1. Mixture components can be solids, liquids, or gasses that retain their. 2. joules to vaporize 5.00 g of water Lemonade has a definite volume but takes the shape of its container. Explain the difference between a homogeneous mixture and a heterogeneous mixture. Heterogeneous Question: Classify each of the following mixtures as homogeneous or heterogeneous: a. nonfat milk b. chocolate-chip ice cream C. gasoline d. peanut butter sandwich e. cranberry juice 2. oxygen =O d) electrons orbit the nucleus Vinegar40. Mixtures can be classified as either homogeneous or heterogeneous. Elements Mass # The neon atoms in a lighting display do not interact with each other. What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 10.0 eV? (a) baby oil (b) chocolate chip cookie (c) water and gasoline (d) wine Question Classify each mixture as homogeneous or heterogeneous. Explain. If you take a bite from a cookie, you may not get the same number of chips as you get in another bite. Some problems require a combination of steps that include a temperature change as well as a change of state, how would you calculate to get an answer? 2. proton Heterogeneous mixtures For example, Lucky Charms cereal is an example of a heterogeneous mixture. Mixtures can be separated by the differences in the physical properties of their components. 1. carbonated soft drink (w/ bubbles) heterogeneous 9. air (with smog) heterogeneous 2. chocolate chip ice cream heterogeneous 10. paint homogeneous 3. Explain. Is rum classified as a mixture or a pure substance? Sugar solution37. 4. number of electrons in a neutral atom, 1. Engineering Chemical Engineering Classify each mixture as homogeneous or heterogeneous. 36. 28 cal to J - Are similar to each other and different from those of Is fruit salad classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? 3. A chocolate chip cookie is a heterogeneous mixture. 6. 2. Copper in wire. . A heterogeneous mixture is a type of mixture wherein the individual components may still be identified. C 2. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Is water and ice cubes a homogeneous or heterogeneous mixture? Answer c: Homogeneous No, for the same reasons above. 155C to F Explain. What is this temperature in degrees Fahrenheit? contains protons and neutrons and represents most of 4. - Elements are pure substances from which all other things are built. Suggest a way to determine whether a colorless liquid is pure water or a salt solution without tasting it. JoVE publishes peer-reviewed scientific video protocols to accelerate biological, medical, chemical and physical research. Classify each of the following as a physical or chemical change: 4. - Density: 2.1g/mL 3. How can you tell that you have one or the other? Ice cubes in cola form a heterogeneous mixture. -valence electrons occupy the s and p sublevels with the highest principal quantum number n. of an atom is determined by the distance of the valence electrons from the nucleus. Electrons repel each other. ), kilocalories: 210 kcal 3. Cake is a mixture of ingredients like eggs, sugar, flour and more. a. air b. orange juice with pulp c. raw milk d. marble. chemical changes. b. Often it is easy to confuse a homogeneous mixture with a pure substance because they are both uniform. Li An ice bag is filled with 125 g of ice at 0 C. 8. gold, Write the name for the symbol of each of the following elements found in the body: For example, water (H2O) is used to extinguish fires, but dihydrogen sulfide (H2S) is highly flammable! What is the meaning of homogeneous and heterogeneous? The alkaline earth metals are shiny metals like those in Group 1A (1), but they are not as reactive. Freezing Chemical What is a heterogeneous mixture? What are the examples of homogeneous? Answer b: Element Heterogeneous. 4. titanium 3. Condensation At a temperature called the melting point (mp)? Lava flows into the ocean and steam forms. 10.8 kJ, Use the heat equation to calculate the energy, in joules and calories, for each of the following (see Table 3.11): While many elemental names are short and (relatively) easy to spell, some, like "praseodymium" or "darmstadtium" are quite long and complex. d) 4 2. begins with helium The nucleus contains most of the mass of an atom. Is carbon dioxide classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Is potting soil a homogeneous mixture or a heterogeneous mixture? Compound, pure substance, mixture, and an element. Example: to determine the heat needed to melt a sample of ice, the mass of ice, in grams, is multiplied by the heat of fusion. There is a maximum of 32 electrons in the n=4 energy level. 7. 5. hydrogen 5. 2. nonmetal - have relatively low melting points 3. kilojoules needed to melt 24.0 g of ice at 0 C, warm the liquid to 100 C, and change it to steam at 100 C. Indicate whether each of the following describes a gas, a liquid, or a solid: Essential to Health: -20 are essential for the well-being and survival of the Whole-number subscripts indicate how many of the previouselement are present in the compound. at the top of a ski hill about to come down, Which of the following statements about electrons are false? 3. the energy in a lump of coal Chocolate is made up of multiple ingredients (such as cocoa, oils, and sugar, as well as milk). 2. A silver pin tarnishes in the air 1. a silicon (Si) chip a. 3. the alkali metal in Period 3 3. number of particles in the nucleus Ice cubes in cola form a heterogeneous mixture. 4. carries a negative charge = electron, Decide if it is a proton, neutron, or electron described in each of the following: Potential 1. vegetable soup Period 2 . Is baking soda (NaHCO3) classified as a mixture or a pure substance? A child who fell through the ice on a lake has hypothermia with a core temperature of 32 C. Chocolate chip cookies are a heterogeneous mixture. Explain. If the temperature of a liquid is lowered, and kinetic energy is lost, the particles slow down, and attractive forces pull the particles close together. Answer 8 people found it helpful mn93 Answer: Heterogeneous Explanation: Because it's mix the dough and chocolate chips Advertisement Answer No one rated this answer yet why not be the first? 2 0 obj 4. b) B Is gold classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? -particles that are far apart. There is one sublevel in the n=1 energy level. 4. 2600 J 4. the composition is uniform throughout the sample.We cannot see the individual components, which appear as one state. Give examples of an element, a compound, a heterogeneous mixture, and a homogeneous mixture. Is iron classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Explain. Classify each of the following mixtures as being homogeneous or heterogeneous. -maintenance of heart and blood vessels, muscle a car speeding down the freeway= kinetic energy -The substance is melting, changing from a solid to a liquid. chocolate chip ice cream = Heterogenous gasoline = Homogenous bubbly champagne = Heterogenous Classify each of the following mixtures as homogeneous or heterogeneous: homogenized milk chocolate chip ice cream gasoline bubbly champagne Neon is a colorless gas at room temperature = physical 7. metalloid of an element is equal to the number of protons in every atom of that element. -particles that are close together but mobile How is rubbing alcohol a homogenous mixture? 4. lost when 125 g of iron cools from 118 C to 55 C, 1. the mass of an atom. Is coffee classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? is found in the larger part of the atom= electron Rockhounding Around The WorldScience QuestionsLearn About Different Kinds of Rocks, About UsPrivacy PolicyTerms Of UseArchives, Is Tea A Pure Substance? a) 1 The salt water described above is homogeneous because the dissolved salt is evenly distributed throughout the entire salt water sample. Explain. Explain the difference between homogeneous catalysis and heterogeneous catalysis. Is also the quantity of heat that must be removed to freeze exactly 1 g of water at its freezing point (0 C). 1. to heat 25.0 g of water from 12.5 C to 25.7 C Explain. He Explanation:The vegetables present in a vegetable soup are not uniformly-distributed. What do homogeneous and heterogeneous have in common? A homogeneous mixture is a mixture in which the composition is uniform throughout the mixture. 4. neutron. Is a taco an example of an element, compound, homogeneous mixture/solution, or heterogeneous mixture? 2. When oil and water are combined, they do not mix evenly, but instead form two separate layers. If the composition of a material is not completely uniform, then it is heterogeneous (e.g., chocolate chip cookie dough, blue cheese, and dirt). When 1.0 g of glucose is metabolized in the body, it produces 3900 cal. You can easily see that it is made out of different oat shapes and different marshmallows. Ahomogeneous mixturehas a uniform composition, meaning that if several samples are taken, each would contain the same chemicals in approximately the same ratio. <>>> Describe each of the following as a physical or chemical property: Explain. Copper is an element, which is a pure substance. You can get bites without any chocolate. Salt solution45. b) energy cannot be created or destroyed A tree is cut into boards at a sawmill Answered step-by-step Problem 13 Easy Difficulty Classify each of the following as a pure substance or a mixture. Our experts can answer your tough homework and study questions. Explain. Baby oil appears to be uniformed, the molecular level, so it's homogeneous chocolate chip cookies, definitely not uniformed. Classify each of the following as a pure substance (element or compound) or a mixture (homogeneous or heterogeneous): There is a maximum of six electrons in the 3p sublevel. HETEROGENEOUS MIXTURES A heterogeneous mixture consists of visibly different substances or phases. 3. orbitals in the 6s sublevel the temperature is shown on the vertical axis and the loss or gain of heat is shown on the horizontal axis. 5. representative elements involved in tin =Sn 4. 2. kilocalories released when 15.0 g of steam condenses at 100 C and the liquid cools to 0 C 4. Ba 14 - Electric Stimulation. are one-or two-letter abbreviations for the names of the elements, Write the symbols for the following elements: A heterogeneous mixture contains particles of different shapes or sizes and the composition of one sample may differ from that of another sample. 4. Atomic #. As was the case with the physical properties of chemistry that were defined in the previous chapter, specific rules must be followed when writing elemental symbols. There are nine orbitals in the n=3 energy level. Explain the difference between an element and a compound. A tossed salad is a heterogeneous mixture. . reaction. At room temperature, mercury is a liquid, Gold is hammered into thin sheets = physical two electrons = yes Explain. gasoline Heterogeneous mixture. Explain. The particles in an ice cube are held in a rigid structure. Selenium 1. What is the name given to the homogeneous substance that has the same properties of its components? Group 8A (18) The substances in the material do not become chemically bonded to each other, which means that they can be separated fairly easily (meaning without having to force a chemical reaction to make it happen). Ice cubes in cola form a heterogeneous mixture. Sand may appear homogeneous from a distance, yet when you magnify it, it is heterogeneous. Melting Classify the following as a homogeneous mixture or heterogeneous mixture: A tablespoon of instant ice tea dissolved in water. Answer and Explanation: A homogeneous mixture is the one which has the same uniform appearance and composition while heterogeneous mixture is the one which has visibly different substances and they are really unmixed. -most of our hydrogen and oxygen is found as water, which - The metalloids are semiconductors because they can be modified to function as conductors or insulators. 1. orbitals in the 3d sublevel Water freezes on a pond. Chocolate chips are made up of multiple blocks, which is why it is not a pure substance. 18 kcal released If 260. g of ice is placed in an ice bag, how much heat, in kilojoules, will be released when all the ice melts at 0 C? ). 114F=C, 1. The derivation of chemical formulas and chemical names will be the focus of the following chapter. See Answer It is the same everywhere. Identify the following as elements, compounds, or mixtures: Identify the following as physical or chemical changes: Classify the following as homogeneous or heterogeneous: A ball falls off a cliff. Sr, Write the symbols for the following elements: O. Sugar and sand form a heterogeneous mixture. 5. 2. 3. The 3p sublevel contains three 3p orbitals. Therefore, every "sample"taken when eating the soupis different. . 3. ice (H2O) Explain. A silver pin tarnishes in the air = chemical Physical 1. Phosphorus will ignite when exposed to air = chemical Alcohol43. 3. Therefore, water contains two hydrogens for every one oxygen. Explanation:The capitalization ofletters within a chemical formula can be used to divide that formula into unique elemental symbols. One example of a mixture is air. Its state, size, or appearance will change, but its composition remains the same. Is benzene (C6H6) classified as a mixture or a pure substance? Apple slices turn brown when they are exposed to air JoVE is the world-leading producer and provider of science videos with the mission to improve scientific research, scientific journals, and education. They have the same appearance and . -Metallic character is more prevalent in the elements on the left side of the periodic table (metals) and decreases going from left to right across a period, MRI SEQUENCE PARAMETERS AND OPTIONS REVIEW QU. Chocolate Chips + ice cream = a heterogeneous mixture. is determined by the position of an object or by the chemical composition of a substance. A mouthwash used to reduce plaque and clean gums and teeth contains several ingredients, such as menthol, alcohol, hydrogen peroxide, and a flavoring. 1. calories to vaporize 10.0 g of water Heterogeneous Mixtures: When two or more substances and mechanically mixed, they form a type of mixture whose. 3. a shiny element a) C Is steel classified as an element, a compound, a homogeneous mixture, or a heterogeneous mixture? Concrete is a heterogeneous mixture of an aggregate: cement, and water. -same shape and volume as container Homogeneous mixtures are mixtures in which the constituents don't appear separately. -On the periodic table, the atomic mass is the number including decimal places that is given below the symbol of each element, To calculate the atomic mass of an element, we need to know the percentage abundance and the mass of each isotope, which must be determined experimentally, Completely understand image 4.9 from chapter 4.6, Indicate the type and number of orbitals in each of the following energy levels or sublevels: Hey there! . %PDF-1.5 62C=K 4. manganese d. Homogeneous mixture. 2. kicking a ball If you were to sample the chocolate in any given place, the appearance, consistency, and composition would be the same. contraction, nerve impulses, and acid-base balance 1. 2. tea There are two kinds of pure substances: elements and compounds. 4. ends with neon, 1. What is it called when a substance cannot be broken down into simpler substances? Mixtures of Pure Substances. a. 2. On the other hand, homogenous is a mixture too, but the elements are not. 1. 7. tin 31 Cents (a quarter, a nickel, and a penny), Sucrose,which is commonly-known as "table sugar" (C. When she reads 99.8 F, she becomes concerned that she is quite ill. How would you explain this temperature to your friend? A=(12311000)\mathbf{A}=\left( \begin{array}{rrrr}{-1} & {2} & {3} & {1} \\ {1} & {0} & {0} & {0}\end{array}\right) sulfur = S 120 J Much like elements, each compound has a correspondingchemical name, which can be abbreviated using achemical formula. Fe In the United States, we still use the Fahrenheit temperature scale. Compound, Classify each of the following as a pure substance or a mixture: stream d) Electrons are much lighter than neutrons, Which of the following elements is an alkaline earth metal? Freezing Takes place, the original substance is converted into one or more new substances, which have new physical and chemical properties. -regulation of cellular metabolism. \\ 2. is found in the larger part of the atom The components are not evenly and uniformly mixed so they remain distinguishable from each other. . Key Takeaways: Mixture. 4. Cd Atoms are never created or destroyed during a chemical How can you tell, if a liquid is a compound and not a homogenous substance? is matter that has a fixed or definite composition. Acompoundor molecule must contain two or more elements that are combined in a specific ratio. 8. metal, Give the symbol of the element described by each of the following: Ca 4. chocolate chip ice cream = Heterogenous Explain. 2. - electrons that occupy a large, empty space around the Sea water39. is found in the nucleus Which of the following is an example of a homogeneous mixture? How would one describe pure substances and mixtures? S -particles that move slowly, -does not have a definite shape or volume Explain. Classify each of the following as homogeneous or heterogeneous: In a heterogeneous mixture the substances are not evenly distributed (chocolate chip cookies, pizza, rocks) Explain. 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