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Anton [14]
3 years ago
12

How mmany bonds should be drawn in the lewis- dot structure for methan, CH4

Physics
1 answer:
Yakvenalex [24]3 years ago
6 0
Since carbon has 4 valence electrons, a total of 4 bonds will be drawn withing methane, one between each H and the center C

Hope this helps
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Explanation:

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An object with a 25 µC charge is 0.54 m away from a second charged object. They experience a force of 3250 N. What is the charge
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A "590-W" electric heater is designed to operate from 120-V lines.
lukranit [14]

Answer:

a) 24.4 Ω

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Explanation:

b)

The formula for power is:

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590 W = (I)(120 V)

I = 590 W/120 V

<u>I = 4.92 A</u>

<u></u>

a)

From Ohm's Law:

V = IR

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Therefore,

R = 120 V/4.92 A

<u>R = 24.4 Ω</u>

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c)

For constant resistance and 110 V the power becomes:

P = V²/R

Therefore,

P = (110 V)²/24.4 Ω

<u>P = 495.9 W</u>

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d)

If the resistance decreases, it will increase the current according to Ohm's Law. As a result of increase in current the power shall increase according to formula (P = VI). Therefore, correct option is:

<u>c. It will be larger. The resistance will be smaller so the current drawn will increase, increasing the power.</u>

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