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Vera_Pavlovna [14]
4 years ago
9

Which of the following is an example of the conversion of electrical energy to electromagnetic energy?

Chemistry
2 answers:
weqwewe [10]4 years ago
8 0

Sunlight is converted to electricity in a photovoltaic cell.

Things like cloths washer and dryer heating hot water for the bath, powering the oven, and of course lighting in the home can all be run with solar power. There are even solar power pool heater band air conditioners. Today, photovoltaics is probably the most familiar way to harness solar energy. Photovoltaic arrays usually involve solar panels, a collection of dozens or even hundreds of solar cells.

Each solar cell contains a semiconductor, usually made of silicone. When the semiconductor absorbs sunlight, it knocks electronics loose.

:) I hope this helps

GuDViN [60]4 years ago
6 0
The ccorrect answer is C a generator tubrine
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How many valance are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride?
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3 valence electrons are transferred in the formation of the compound potassium nitride because nitrogen needs 3 valence electron to become stable, or to have the electron configuration of noble Gases. 
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Answer: True

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4 years ago
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For the process 2SO2(g) + O2(g) --> 2SO3(g),
CaHeK987 [17]

Answer:

–187.9 J/K

Explanation:

The equation that relates the three quantities is:

\Delta G = \Delta H - T \Delta S

where

\Delta G is the Gibbs free energy

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\Delta S is the change in entropy

In this reaction we have:

ΔS = –187.9 J/K

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So the Gibbs free energy is

\Delta G=-198,400-(297.0)(-187.9)=254.2 kJ

However, here we are asked to say what is the entropy of the reaction, which is therefore

ΔS = –187.9 J/K

8 0
4 years ago
If D+2 would react with E-1, what do you predict the formula to be. A) DE B)D2E C)DE2 D) D2E2
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All you need to do the cross the charges and put it as suffixes. 

D+2 + E-1 ----> DE2

answer is C
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