If you need to reverse the following reaction in order for it to be an intermediate reaction in a Hess's law problem, what would
2 answers:
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Answer:
The right solution is:
(a) 2459.74 J/degree C
(b) 3271.769 KJ/moles
Explanation:
According to the question,
(a)
The heat capacity of the calorimeter will be:
=
=
=
(b)
The change in temperature will be:
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=
The amount of heat released will be:
=
=
or,
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Moles of benzene combusted will be:
=
=
hence,
The heat combustion for 1 mol of benzene will be:
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=
Answer:
<h2>0.20 g/mL</h2>Explanation:
The density of a substance can be found by using the formula
volume = final volume of water - initial volume of water
volume = 75 - 50 = 25 mL
From the question we have
We have the final answer as
<h3>0.20 g/mL</h3>Hope this helps you