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Flura [38]
3 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]3 years ago
8 0
The answer is 5.4! I found it on a an online calculator! 
GuDViN [60]3 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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Select the correct answer. Which property is typical of a covalent compound?
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it is b

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The scale most widely used by scientist for measuring earth quakes is called what
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What happens to the temperature and density of the material between points B and C?
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Temperature decreases and density increases

Explanation:

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The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In t
Sloan [31]

Answer:

Mass =  42.8g

Explanation:

4 NH 3 ( g ) + 5 O 2 ( g ) ⟶ 4 NO ( g ) + 6 H 2 O ( g )

Observe that every 4 mole of ammonia requires 5 moles of oxygen to obtain 4 moles of Nitrogen oxide and 6 moles of water.

Step 1: Determine the balanced chemical equation for the chemical reaction.

The balanced chemical equation is already given.

Step 2: Convert all given information into moles (through the use of molar mass as a conversion factor).

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Step 3: Calculate the mole ratio from the given information. Compare the calculated ratio to the actual ratio.

If all of the 1.9831 moles of oxygen were to be used up, there would need to be 1.9831 × 4 / 5 or 1.5865 moles of Ammonia. We have 3.72226 moles of ammonia - Far excess. Because there is an excess of Ammonia, the Oxygen amount is used to calculate the amount of the products in the reaction.

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x = (1.9831 * 6 ) / 5

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Mass = 2.7972 * 18

Mass =  42.8g

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