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Drupady [299]
2 years ago
13

Haley is trying to pull an object upward. The below forces are acting on the object.

Chemistry
2 answers:
Virty [35]2 years ago
7 0

Explanation:

<em><u>it's </u></em><em><u>answer </u></em><em><u>is </u></em><em><u>last </u></em><em><u> </u></em>

<u>hope </u><u>it </u><u>helps </u><u>you </u>

gladu [14]2 years ago
6 0

Answer:

Explanation:

d

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Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate
Anvisha [2.4K]

Answer:

-3272     kJ/mol

Explanation:

Given and known facts

Mass of Benzene = 0.187 grams

Mass of water = 250 grams

Standard heat capacity of water = 4.18 J/g∙°C

Change in temperature ΔT = 7.48°C

Heat

=250 * 4.18 * 7.48\\=7816.6 \\=7.82

Heat released by benzine is - 7.82 kJ

Now, we know that

0.187 grams of benzene release = -7.82  kJ heat

So, 1 g benzine releases

\frac{ -7.82 }{0.187}\\= -41.8

kJ/g

0.187 * \frac{1}{78.108}=0.00239 mol C6H6

Heat released

= \frac{-7.82}{ 0.00239}

=-3272     kJ/mol

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