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Marina CMI [18]
3 years ago
10

Why do the planets keep orbiting the sun

Chemistry
1 answer:
dsp733 years ago
3 0
There's no reason, it's just because the sun has a gravitational pull
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2 years ago
Which metal absorbs the greatest amount of heat energy
Fed [463]

Answer:

This question is incomplete but the completed question is in the attachment below. And the correct is b

Explanation:

Specific heat capacity can be defined as the amount of heat required to raise to raise 1 kg of a substance by 1 kelvin. Thus, this means that when the specific heat capacity of a substance is high, it takes more energy to increase the temperature of that substance. This also means that when different substances are subjected to the same amount of heat, the substance with the higher specific heat capacity will absorb less heat; for example at a beach, water has a very high specific heat capacity, thus when the sand in the beach is hot, the beach water is still relatively cold.

From the description above, <u>it can be seen that the metal with the least specific capacity will absorb the greatest amount of heat, thus the metal is lead</u> with the specific heat capacity of 0.129 J/(g. °C).

4 0
2 years ago
What is the rate constant of a first-order reaction that takes 5.50 minutes for the reactant concentration to drop to half of it
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t = 5.50 minutes

k = ln(2)/5.50 = 0.126 min^-1

Your rate constant is 0.126 min^-1.

8 0
3 years ago
What are the extremely small particles that all elements are composed of?
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