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Gelneren [198K]
4 years ago
7

If the resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 V, the current flowing through the circ

uit is
Chemistry
1 answer:
mixas84 [53]4 years ago
8 0
Assuming that the circuit is a simple series circuit we can determine what the current is through the circuit by using the basic relationship of

V = IR

I = V/R = 60 V/12 ohms = 5 Amperes

The current in the circuit is 5 A.
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The equilibrium constant, K, for the following reaction is 1.80x102 at 698 K. 2HI(9) =H2(g) +129) An equilibrium mixture of the
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Explanation:

The equilibrium constant of the reaction = K_c=1.80\times 10^{-2}

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Initial  concentration:

0.311 M                4.71\times 10^{-2} M           4.71\times 10^{-2} M  

At equilibrium:

(0.485 M - x)  (4.71\times 10^{-2} M+x)           (4.71\times 10^{-2} M+x)  

K_{eq}=\frac{[H_2][I_2]}{[HI]^2}

1.80\times 10^{-2}=\frac{(4.71\times 10^{-2} M+x)\times (4.71\times 10^{-2} M+x)}{ (0.485 M-x)^2}

\sqrt{1.80\times 10^{-2}}=\frac{(4.71\times 10^{-2} M+x)}{ (0.485 M-x)}

0.1342=\frac{(4.71\times 10^{-2} M+x)}{(0.485 M-x)}

0.065087 M-0.1342x=4.71\times 10^{-2} M+x

0.065087 M-4.71\times 10^{-2} M=1.1342x

x=\frac{0.017987 M}{1.3142}=0.01586 M

Equilibrium concentrations:

[HI]=0.485 M-x = 0.485 M - 0.01586 M= 0.46914 M

[H_2]=[I_2]=4.71\times 10^{-2} M+x=4.71\times 10^{-2} M+0.01586 M

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What is the chemical formula for carbon tetrafluoride?
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Answer:

The answer to your question is: 30 g

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