Question

When water decomposes into oxygen and hydrogen, the mass...

A. Increases
B. Decreases
C. Remains Constant
D. Varies According To The Number Of Hydrogen And Oxygen Molecules That Form

I'm not really sure as to which one it would be but I took a wild guess and said C. Remains Constant.

Answer 1

@Luigi0210

Answer 2

\[2H_{2}O -->2 H_{2} + O_{2} \]

Answer 3

@KimberNicoleee law of conservation of mass says if you start out with say a certain nubmber of atoms of hydrogen you should have the same amount when the reaction is over. because mass can neither be created nor destroyed.

Answer 4

Thank You

Answer 5

Welcome to OS

Answer 6

(:

Answer 7

Remember in a chemical reaction bonds are being broken and formed, but mass is constant. you aren't losing mass.