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belka [17]
3 years ago
8

This chemical equation represents a ______________ reaction.

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0
D single replacement
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A copper coin with a mass of 6.30 grams changes temperature in the sunshine from 20.0°C to 32.0°C. How much energy is transferre
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The energy transferred is  28.5  j


<em><u>calculation</u></em>

energy is calculate  MCΔT  formula  where,

M(mass)= 6.30  grams

C(specific heat capacity)= 0.377 j/g

ΔT(change in temperature)= 32.0c- 20 c= 12 c


Energy is therefore= 6.30 g   x 0.377  j/g /c x   12 c =<u>28.5 j</u>

8 0
4 years ago
Read 2 more answers
Let's find the temperature when the pressure is equal to zero.
slega [8]

The significance of the point where the pressure drops to zero is that at that point the gases would completely show ideal behavior.

<h3>What is the gas law?</h3>

The gas laws can be used to describe the behavior of the ideal gases. It is pertinent to note that the ideal gas law can strictly be applied to gases that are at a high temperature and low pressure.

We can be able to find the  temperature when the pressure is equal to zero either be the use of the equation line or by experiment. In that case, we would be able to obtain the point at which the pressure drops to zero.

The significance of the point where the pressure drops to zero is that at that point the gases would completely show ideal behavior.

Learn more about idea gas:brainly.com/question/4194158

#SPJ1

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2 years ago
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