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iogann1982 [59]
3 years ago
12

Substance Specific Heat Capacity J/Kgo C Ammonia 4700 Ethanol 2440 Gasoline 2220 Water 4186 A liquid has a mass of 18.39g. If 65

5J of heat are required to change the temperature from 32.8oC to 18.2oC, what is the identity of the liquid? A) ammonia B) ethanol C) gasoline D) water
Chemistry
1 answer:
FinnZ [79.3K]3 years ago
6 0

Answer:

B) ethanol

Explanation:

I got a 100% on my test plus its the answer on usatestprep

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Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: PCl3(g)+Cl2(g)⇌PCl5(g). A 7.5-L gas vess
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Answer:

The equilibrium constant in terms of concentration that is, K_c=3.6243\times 10^{3} .

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PCl_3(g)+Cl_2(g)\rightleftharpoons PCl_5(g)

The relation of K_c\& K_p is given by:

K_p=K_c(RT)^{\Delta n_g}

K_p= Equilibrium constant in terms of partial pressure.=98.1

K_c= Equilibrium constant in terms of concentration  =?

T = temperature at which the equilibrium reaction is taking place.

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\Delta n_g = Difference between gaseous moles on product side and reactant side=n_{g,p}-n_{g.r}=1-2=-1

98.1=K_c(RT)^{-1}

98.1 =\frac{K_c}{RT}

K_c=98.1\times 0.0821 L atm/mol K\times 450 K=3,624.30=3.6243\times 10^{3}

The equilibrium constant in terms of concentration that is, K_c=3.6243\times 10^{3} .

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