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alexira [117]
2 years ago
10

Pls help its really hard

Chemistry
1 answer:
kari74 [83]2 years ago
8 0

Answer:

the fourth one

plastic= insulator

metal= conductor

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Leno4ka [110]

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An example of these would be "I have always been interested in cars so I became a auto mechanic." or "I have always been interested in cars so I decided to work at a car dealership."

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A big interest that you have that leds you to pick a job related to that interest.

4 0
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What is the name of the molecular compound CBra?​
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Which of the following would be a good use for a nonmetal? handle of frying pan electrical wires structural components in buildi
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7 0
3 years ago
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A reaction has a forward rate constant of 2.3 × 106 s-1 and an equilibrium constant of 4.0 × 108. what is the rate constant for
avanturin [10]
Answer is: 5,75·10⁻¹.
Kf = 2,3·10⁶ 1/s.
K = 4,0·10⁸ 1/s.
Kr = ?
Kf - <span>forward rate constant.
K - </span><span>equilibrium constant.
Kr - </span><span>reverse rate constant.
</span>Since both Kf and Kr are constants at a given temperature, their ratio is also a constant that is equal to the equilibrium constant K.<span>
K = Kf/Kr.
Kr = Kf/K = </span>2,3·10⁶ 1/s ÷ 4,0·10⁸ 1/s = 5,75·10⁻¹.

5 0
3 years ago
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