Question

can someone help me with a few questions please

Answer 1

1. When a reaction is balanced, there are the same number and type of atoms / molecules / coefficients. (circle)
2. The law of conservation of mass tells us that mass is neither ___________________ or ___________________ but must be _____________________ in a chemical reaction.
3. When balancing a chemical reaction we can / cannot change the chemical formulas in the reaction.
4. If 12 molecules of methane, CH4 reacted with plenty of oxygen, we should expect to produce _______________ molecules of carbon dioxide, CO2 and _______________ molecules of water, H2O.
5. To produce 8 molecules of ammonia, NH3, we would need _______________ molecules of hydrogen, H2 and _______________ molecules of nitrogen, N2.

Answer 2

is there a word bank?

Answer 3

no . that's how it's hard for me @-SpencerBraz-

Answer 4

alright

Answer 5

mass is neither created nor destroyed

Answer 6

thats the first two