Answer to Question #141186 in Inorganic Chemistry for Christine

Question #141186
4. Calculate
a. q when a system does 54J of work and its energy decreases by 72 J
b. ∆E for a gas that releases 38J of heat and has 102J of work done on it.
1
Expert's answer
2020-10-30T06:43:20-0400

a) The first law of thermodynamics helps us in calculating the amount of heat absorbed or released.

From the formula;

b) Using the first law of thermodynamics helps us to calculate the change in internal energy. in this case is a negative value since the system releases energy.


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