Answer:
2H2 + O2 -----> 2H2O
Not sure about the second question though.
Answer:
Due to how big the glacier is you would need more heat to melt it and since the ice cube is smaller a small amount of heat would melt it
Explanation:
I Would Think that the answer is 55.845 u ± 0.002 u
Or you could just do<u> 55.85 Grams</u>
Answer:
Reactants
Explanation:
"Starting chemicals", the substances present before a reaction occurs, are called reactants.
The results of the reaction are called products, which you would also have 15.0g.
Answer:
= 3.01× 
molecules.
Explanation:
1 mole of 
- 98g
? moles of - 49g
= 49 ÷ 98 = 0.5 moles of O2 in 49g.
But 1 mole of any substance = 6.023 × molecules
∴ 0.5 moles = 0.5 × 6.023 × molecules
= 3.01× molecules.
