Part B A sample is composed completely of gold and is absolutely free of impurities. Which term or terms could be used to describe this sample of gold? Check all that apply. > View Available Hint(s) O mixture O heterogeneous mixture O homogenous mixture O solution O pure chemical substance O compound Oelement Provic US Answers

Q: 5)An element cannot A) be part of a heterogeneous mixture B) be part of a homogeneous mixture C) be…

A: Given An element cannot _____________

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: 2.- Identify each of the following as a homogeneous or heterogeneous mixture. Explain your choice a

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Q: Which of the following statements is true concerning the characteristics of ther O Mixtures are all…

A: Given question is related to identifying the true statement.

Q: represents tne A 27.29 g 6.41 g 27.29% C 17.09 g 72.71 g O2 72.71% 100% CO2 100.0 g CO2 23.5 g CO, |…

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Q: Nitrogen trioxide is a(n) element compound homogeneous mixture heterogeneous mixture

A: Given that, the name is: Nitrogen trioxide

Q: 7) To elements in the gas state react to form a new compound. Based on the state of matter of the…

A: Reactions in which two or more chemical species combine to form an entirely different species is…

Q: 2. Nitrogen has two naturally occurring isotopes: nitrogen-14 and nitrogen-15. The average atomic…

A: Given   Isotopes of Nitrogen   Nitrogen-14   Nitrogen-15   Average atomic mass of Nitrogen = 14.0064…

Q: why are most things we eat a mixture and not pure substances?

A: Given: Most things we eat is a mixture and not a pure substance To find: Reason for it Solution:…

Q: In the image below, you will see four laboratory spectra for known elements as well as the sample…

A: To determine the chemical composition of unknown, we would check the spectral lines and use the…

Q: Pure substances have many ions heterogeneous mixtures a uniform appearance100

A: To find: The pure substance have--------?

Q: Compare the amount of copper predicted in part A with the amount measured in part B. What percentage…

A: Predicted copper amount=0.9918 Actual amount of copper produced= 0.72

Q: Copper has two naturally occurring isotopes, Cu (isotopic mass 62.9296 amu) and 5 Cu (isotopic mass…

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Q: Write true for the correct statements and false for the A physical change is a change in the…

A: A set of true or false questions based general chemistry, which are to be accomplished.

Q: Part B A sample is composed completely of gold and is absolutely free of impurities. Which term or…

A: As sample is composed completely of gold and is absolutely free of impurities,

Q: In a chemical reaction, what happens to the total mass of the reactants and products? A) The total…

A: The chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: Classify each of the following substances as an element, a compound, or a mixture. Drag the…

A: The element is defined as the purest form on the earth and composed of only one type of atom: an…

Q: Supposed to magnesium feelings and sulfur or heat it so they react with each other forming magnesium…

A: Concept: The pure substances have constant composition throughout the given substance. The mixed…

Q: Q/ 0.1 g a NaCL , qul Moarity2 L. Na = 23 . CI = 35.45 *

A: Kindly post question in english language from next time. I can't understand your language but…

Q: Based on the evidence, what metal are pennies mostly made of, and what metal are dimes mostly made…

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Q: Use the data below to determine the mass ratio of iron to oxygen for compound 2. Mass Fe Mass O…

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Q: A smoke sample contains dust particles and several different gases, which have different…

A: As smoke sample contains dust particles and several different gases, which have different…

Q: Identify the incorrect statement. For a given substance, different mixtures can have different…

A: To solve this problem we have to know about the statement which is incorrect .

Q: JJ Thomson is credited with the discovery of

A: J J Thomson, in full Sir Joseph John Thomson, (born December 18, 1856) is English physicist who…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.