I really need help on this question, i cant figure out how to answer it, i really need help, everything is due tmrw, pls help
2 answers:
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The answer is 24.84kJ.
We apply the expression for the work done by the heat engine is,
. Putting all given values in the equation we get the final answer.
What is heat engine?
- A heat engine is a machine that uses heat to generate power. It draws heat from a reservoir, uses that heat to produce work, such as move a piston or lift weights, and then releases that heat energy into the sink.
- We are given:The heat input is
. The heat output is
.
- The expression for the work done by the heat engine is,
- Substituting the given values in the above expression, we will get
=24.84kJ.
- Thus, the work done by the heat engine is 24.84kJ.
To learn more about heat engine visit: brainly.com/question/15735984
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Explanation:
A double replacement reaction is a reaction in which two different compounds are mixed together and both their cations and anions get exchanged with each other respectively.
When potassium bromide reacts with silver nitrate then it results in the formation of potassium nitrate and silver bromide.
The chemical reaction equation is as follows.