[Answered] Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is ...

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Diane

Hero Member
Posts: 576

on: Aug 27, 2018

Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is performing 855 J of work on the surroundings.

A) 44.1 kJ
B) -44.1 kJ
C) -45.9 kJ
D) 9.00 102 kJ
E) -9.00 102 kJ

Question 2

When covalent bonds are broken energy is released.

Indicate whether the statement is true or false

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aruss1303

Sr. Member
Posts: 314

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

FALSE

Diane

Hero Member
Posts: 576

Reply #2 on: Aug 27, 2018

Thanks

aruss1303

Sr. Member
Posts: 314

Reply #3 on: Aug 27, 2018

Welcome

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