Answer:
C.22 grams because mass cannot be created or destroyed
Explanation:
Reaction equation:
2H₂ + O₂ → 2 H₂O
Mass of oxygen = 18g
Mass of hydrogen = 4g
The mass of water produced is 22g according to law of conservation of mass.
The law states that " in a chemical reaction, mass is always conserved"
The sum of the mass of product and reactants must always be the same.
Answer: the amount of air that normally enters the lungs during quiet breathing, which is about 500 milliliters.
I believe the answer to be E because it says atom and it is asking what is false about elements.
atomic number is 4 and neutron is 12