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CaHeK987 [17]
3 years ago
14

Which statement about the greenhouse effect is NOT true?

Chemistry
1 answer:
Archy [21]3 years ago
7 0
<span> Greenhouse gases were not historically present in the atmosphere.</span>
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The heating element of a hair dryer dissipates 1500 w when connected to a 180 v outlet. part a what is its resistance?
Sophie [7]

The resistance of the heating element is 21.61 Ω

Given

The power dissipated = 1500 W

Voltage = 180 V

We know that

Power = Voltage * Current

⇒ Power / Voltage = Current

⇒ 1500 W/180 V = Current

⇒ 8.33 A = Current

In order to calculate the resistance of the heating element. We Have to apply the formula

Power = (Current)^2 * Resistance

⇒ Resistance = Power / (Current)^2

⇒ Resistance = 1500 W/ (8.33) ^2

⇒ Resistance = 21.61 Ω

Hence the resistance of the heating element is 21.61 Ω

Learn more about resistance here: -

“ brainly.com/question/17330679  “

#SPJ4

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In what beaker does the sugar dissolve the fastest? ( particle size, temp. of water, condition(stir/no stir), etc).
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