Which of the following best explains the Law of Conservation of Mass? Group of answer choices:

A. In a chemical reaction the mass of the products is less than the reactants mass.

B. In a chemical reaction the mass of the products cannot be determined from the mass of the reactants.

C. In a chemical reaction mass of products always equals the mass of reactants.

D. In a chemical reaction the mass of the products is greater than the mass of reactants

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

What is bromine+calcium iodide--> calcium bromide +iodine balanced