Thursday
April 24, 2014

Homework Help: chemistry

Posted by Bryan on Monday, May 7, 2012 at 8:55pm.

2H2+1O2=2H2O delta H=-136 kJ
A) how many joules are released when 35.0 grams H2O form
B)how many grams of hydrogen burn when 278 kJ are released.
C) Draw a potential energy diagram of this reaction.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chem - Calculate delta H for the formation of one mole of N2O5 from the elements...
Chemistry - Which of the following reactions are spontaneous (favorable)? A] 2Mg...
Chemistry - Calculate delta H for the reaction below using Hess's Law: C2H6 ---&...
chemistry - Ok, I really need to know how to work problems like these so could ...
Chemistry - Calculate Delta H for 4NH3 + 5O2 --> 4NO + 6H2O using: N2 +O2 --&...
chemistry - Calculate the value of DHo for the reaction 2 CH4 (g) -> C2H6 (g...
Chemistry - Calculate DeltaHrxn for the following reaction: C + H2O --> CO + ...
Chemistry - Hydrogen H2 is used as a rocker fuel. The hydrogen is burned in ...
CHEMISTRY> HELP QUICK! pls - Use the given data at 298 K to calculate G ...
Chemistry - Hydrogen H2, is used asa rocker fuel. The hydrogen is burned in ...

Search
Members