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svlad2 [7]
2 years ago
7

Which type of energy uses the photoelectric effect?

Chemistry
1 answer:
ikadub [295]2 years ago
8 0

Answer:

My lovely people the answer is SOLAR

Explanation:

i just know

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If you start a chemical reaction with 5 atoms of hydrogen, how many hydrogen atoms will you have when it is finished? Group of a
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Answer:

5 atoms

Explanation:

According to the law of conservation of mass, "matter is neither created nor destroyed in the cause of a chemical reaction".

We finish with what we start with in a chemical reaction. Although new species might form, the number of atoms on both sides of the expression will still be maintained.

All chemical reactions obey this law of conservation.

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3 years ago
A block of aluminum with a mass of 140 g is cooled from 98.4°C to 62.2°C with a release of 4817 J of heat. From these data, calc
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specific heat = 0.951 j/g·°C

Explanation:

Heat flow equation  => q = m·c·ΔT

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c = specific heat = ?

ΔT = Temperature Change in °C = 98.4°C - 62.2°C = 36.2°C

q = m·c·ΔT => c = q/m·ΔT = 4817j/(140g)(36.2°C) = 0.951 j/g·°C

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3 years ago
Which of the following is NOT an advantage of the metric system?
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Answer: The answer is A

Explanation:

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How will you prepare carbon dioxide gas on industrial scale? explain with chemical equation​
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Explanation:

https://www.bbc.co.uk/bitesize/guides/zxgkp39/revision/3

Hope it helps

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