Wednesday
April 1, 2015

Homework Help: chemistry

Posted by Yevette on Tuesday, October 27, 2009 at 2:34pm.

please assist me with this themochemistry question

Given the following data

CaCO3 (s)>>>>>>CaO (s) + CO2(g) (g) Delta H = -178.1 kj
C (s) + O2>>>>>>CO2 (g) Delta H = -393.5 kj

Calculate enthalpy in kj of the following reaction

CaCO3 (s)>>>>>>>>>CaO (s) + C (s) + O2 (g)

a) 215.4
b) 571.6
c) -215.4
d) -571.6
e) 178.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). ...
chemistry - Ok, I really need to know how to work problems like these so could ...
chemistry - Calculate the temperature (K) at which the equation as written is at...
Chemistry(Please check) - The equilibrium constant, Kc for the system, CaO(s) + ...
Chem - A few classmates and I were arguing about a problem we had to do for ...
Chemistry - Please help! Calculate the standard change in enthalpy, ΔHrxn...
Chemistry - I am having trouble with this equation and calculating the enthalpy ...
Chemistry - Data: C(graphite) + O2(g) forms CO2 (ga) Delta H = -393.5kJ H2(g) + ...
Chemistry II - Saw this one already answered, but did not understand at all... ...
chemistry - For the following reactions is delta Hrnx equal to delta Hf of the ...

Members