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Lynna [10]
3 years ago
6

How many grams of ethyl alcohol (C2H5OH) are in a 1500 ml solution which is 1.54M?

Chemistry
2 answers:
Sedbober [7]3 years ago
7 0

Answer:

The answer is 1.54molar mass.

kondor19780726 [428]3 years ago
4 0
Yes the answer is 15.4 !!!
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If 8.500 g CH is burned and the heat produced from the burning is added to 5691 g of water at 21 °C, what is the final
mojhsa [17]

The final temperature = 36 °C

<h3>Further explanation</h3>

The balanced combustion reaction for C₆H₆

2C₆H₆(l)+15O₂(g)⇒ 12CO₂(g)+6H₂O(l)  +6542 kJ

MW C₆H₆ : 78.11 g/mol

mol C₆H₆ :

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Heat released for 2 mol C₆H₆ =6542 kJ, so for 1 mol

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Heat transferred to water :

Q=m.c.ΔT

\tt 356.539=5.691~kg\times 4.18~kj/kg^oC\times (t_2-21)\\\\t_2-21=15\rightarrow t_2=36^oC

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