How much energy is liberated when 0.100 mole of H2 at 25 degrees Celsius and 1 atmosphere is combined with enough O2(g) to make liquid water at the same conditions?

Here's the equation needed:

H2(g) +1/2 O2(g)-------->H2O(I) + 68.3 kcal

We're a place where learners ask for help for their tasks and share their knowledge.

How much energy is liberated when 0.100 mole of H2 at 25 degrees Celsius and 1 atmosphere is combined with enough O2(g) to make liquid water at the same conditions?

Here's the equation needed:

H2(g) +1/2 O2(g)-------->H2O(I) + 68.3 kcal

For further actions, you may consider blocking this person and/or reporting abuse

babycakeys122 -

warmachine8787 -

Robert Cochran -

bluelight -

meowmix -

rnrmsc -

Jessica -

Joy Navarro -

rachel z -

xxprincessxx -

Kevin Li -

keekee -

Jordan Irwin -

Ashley M -

yeger24 -

AriesPrincess~Slyffindor -

Katie -

july -

Leila -

dmx03 -

## Answers (1)

Your equation says that it gives 68.3 kcal per 1 mol of H2, so

68.3kcal/1mol H2 = x kcal/0.100 mol H2

6.83 kcal = x

It gives off 6.83 kcal for 0.100 mol H2.