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kotykmax [81]
3 years ago
10

What is the current produced when a 12-Volt battery encounters a resistance of 20 Ohms?

Chemistry
1 answer:
Verdich [7]3 years ago
4 0

Answer:

Explanation:

V = IR

I = V/R

I = (12V)/(20Ω)

I = 0.6 A

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A system gains 652 kJ of heat, resulting in a change in internal energy of the system equal to +241 kJ. How much work is done?
levacccp [35]

Answer:

-411 kj

Explanation:

We solve by using this formula

∆U = ∆Q + ∆W

This formula is the first law of thermodynamics

Change in internal energy U = +241

Heat gained by system Q = 652

Putting the value into the equation

+241 = 652 + W

Workdone = 241 - 652

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Since work done is negative it means that work was done by the system

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2 years ago
The N2O4−NO2 reversible reaction is found to have the following equilibrium partial pressures at 100∘C. Calculate Kp for the rea
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Answer:

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Explanation:

Equilibrium constant in terms of partial pressure (K_{p}) for this reaction can be written as-

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So, K_{p} for the reaction is 18.05

3 0
3 years ago
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3 years ago
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