Which two options describe behaviors of particles that are related to the chemical properties of the materials?

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: 56.172g of pure (elemental) Si is equivalent o how many moles of Si?   A): 6.02 x 10^23 moles of…

A: SOLUTION Mass of elemental Si = 56.172 g Atomic mass of Si =  28.086 g/mol Moles of Si =…

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: Mass spectrometry by itself cannot be used for a sample of mixture of drugs. This statement is…

A: Mass spectroscopy is a technique which determines the mass to charge ration of various ions present…

Q: I am having trouble understanding the difference between a compound and mixture and how to identify…

A: When two or more elements are present together they are called compounds. Mixtures are made up of…

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A:

Q: A sample of sodium reacts completely with 0.142 kgkg of chlorine, forming 234 gg of sodium chloride.…

A: A)  Given :- mass of Cl2 = 0.142 kg or 142 g  Mass of NaCl formed = 234 g  To be calculated :-  Mass…

Q: Katie heats her hydrate to remove the water and obtain the anhydrous cobalt (II) compound CoCl2. Her…

A: Molar mass of H2O is 18.02 g/mol. Molar mass of CoCl2 is 129.84 g/mol. Mass of water removed can be…

Q: Composition C-4 is a plastic explosive having a density of 1.05 g/cm3. Calculate the mass of a brick…

A: Given,  Density (D) of C-4 plastic explosive brick = 1.05 g/cm3 Volume (V) of C-4 plastic explosive…

Q: 200 g of a silicon compound is decomposed, resulting in 41 g of solid silicon and the remainder of…

A: Calculate the number of moles of both the compounds. nSiClF3 = WSiClF3MSiClF3nSiClF3 =200 g120.5…

Q: In a laboratory experiment, an undergraduate student collected a sample of ammonium phosphate. If…

A:

Q: How many grams of oxygen (O) are present in a 6.41 g sample of potassium nitrate (KNO3)? Enter your…

A: Potassium nitrate (KNO3) is ionic compound and it contains one potassium, one nitrogen and three…

Q: Matter consists of tiny particles that can combine in specific ratios to form substances with…

A: A theory gives us a well-structured explanation of an observed phenomenon that is confirmed through…

Q: Two or more substances in variable proportions, where the composition is constant throughout are a…

A: A compound is a chemical species that is formed when two or more atoms join together chemically,…

Q: What is a molecular element?

A: A compound refers to the molecule which contains at least two different type of elements bonded…

Q: You mix an unknown with one of three possible uknown compounds and the mixture immediately melts.…

A: Given:Mixing unknown with one of three possible unknown compounds.The mixture after mixing…

Q: A volatile liquid (one that readily evaporates) is put into a jar, and the jar is then sealed. Does…

A: To study the nature of volatile liquid when placed in a closed system

Q: Describe the characteristics of a mixture.

A: Matter is broadly classified into mixtures and pure substances. Pure substances are known for their…

Q: A pure substance is: O composed of two or more regions with different compositions. O composed of…

A: Here we have to define pure substance.

Q: How do you distinguish a chemical change from a physical change?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: One of the inherently satisfying features of chemistry is that chemical materials form and interact…

A:

Q: Is the decomposition of copper(II) sulfate hydrate a physical change or a chemical change? Explain.

A: Given: Decomposition of copper (II) sulfate hydrate i.e. CuSO4·5H2O.