Which statement explains the Law of Conservation of Matter?

A + B AB What type of chemical reaction is this?

The substances to the left of the arrow in a chemical equation are called –

The substances to the right of the arrow in a chemical equation are called-

How many atoms of hydrogen (H), sulfur (S), and oxygen (O) are there in sulfuric acid (H2SO4)?

2Ca + O2 2CaO What is the 2 located in front of calcium (Ca) called?

2Ca + O2 2CaO What is the 2 located behind oxygen (O) called?

What happens to some of the mass when bubbles are formed during a chemical reaction?

What type of chemical reaction releases energy in the form of heat?

What type of chemical reaction is the equation below. 2Fe + 6NaBr 2FeBr3 + 6Na

Combustion reactions take in which element in order to produce water and carbon dioxide?

What tells you the number of atoms of each element in a compound?

What tells you the number of compounds there are in a chemical reaction?

___Mg + ___HCl ---- H2 + ___MgCl

___HgO --- ___Hg + O2

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