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Flura [38]
2 years ago
16

What is the power produced by a light bulb with a voltage of 120 volts and a current of 0.045 amps? PLEASE HELP I HAVE 5 MINUTES

Chemistry
2 answers:
Artyom0805 [142]2 years ago
8 0
The answer is 5.4! I found it on a an online calculator! 
GuDViN [60]2 years ago
7 0

Answer : The power produced by light bulb is, 5.4 watts

Solution : Given,

Voltage = 120 V

Current = 0.045 A

Formula used :

P=V\times I

where,

P = power produced by light bulb

V = voltage

I = current

Now put all the given values in the above formula, we get the power produced by the light bulb.

P=(120V)\times (0.045A)=5.4watts

Therefore, the power produced by light bulb is, 5.4 watts

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What law states that the volume of a gas is proportional to the miles of the gas when pressure and temperature are kept constant
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5 0
2 years ago
How many moles of nitrogen gas are there in 16.8 L of this gas at STP?
sweet-ann [11.9K]
According to Avogadro's Law, same volume of any gas at standard temperature and pressure will occupy same volume. And one mole of any Ideal gas occupies 22.4 dm³ (1 dm³ = 1 L).

Data Given:

                  n = moles = ?
                  V = Volume = 16.8 L

Solution:
               
As 22.4 L volume is occupied by one mole of gas then the 16.8 L of this gas will contain....

                           = ( 1 mole × 16.8 L) ÷ 22.4 L
                    
                           = 0.75 moles

Result:
           
16.8 L of Nitrogen gas will contain 0.75 moles at standard temperature and pressure.
4 0
3 years ago
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3 years ago
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The gas laws describe and predict the behavior of gases with an explanation and experimental data

So the given statement is False.

2) The volume of gas can be calculated based on Avagadro's law

It states that the volume of a gas is directly proportional or varies with the moles of the gas. Higher the moles more the volume, condition is the pressure and temperature are constants in the two conditions

Thus as here the pressure and temperature of nitrogen gas is kept constant

V α  moles

or

\frac{V1}{n1}=\frac{V2}{n2}

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On putting values

V2 = 6 X 0.75 / 0.5 = 9 L

so resulting volume of the gas will be 9L

5 0
3 years ago
Read 2 more answers
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