Chemistry, 22.03.2021 19:40, bsept7704

2H2(g) + O2(g)
+ 2H2O(1) + 137 kcal
How many grams of hydrogen are required to produce 733 kilocalories of heat?
10.8 g
21.6 g
none of these
1.00 x 105 g

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 20:50, britotellerialuis

Evaluate this exponential expression,8. (2 + 3)2 – 42

Answers: 3

continue

Chemistry, 22.06.2019 08:30, kkelley9223

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Answers: 2

continue

Chemistry, 22.06.2019 12:50, martinez6221

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Answers: 1

continue

Chemistry, 23.06.2019 01:30, jonmorton159

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.

Answers: 1

continue

Do you know the correct answer?

2H2(g) + O2(g)
+ 2H2O(1) + 137 kcal
How many grams of hydrogen are required to produce...