Answer:
hydrological cycle
Explanation:
water cycle is also known as hydrological vycle
<u>1 mole of oxygen.</u>
Answer:
solution given:
according to the above reaction,1 mole of oxygen is required to react with 2 moles of sodium to form sodium peroxide.
Explanation:
Answer:
Your answer is D. It is the heat required to change a gram of substance from a liquid to a gas.
Answer:
a
Explanation:
Each oxygen molecule has 2 hydrogen molecules