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malfutka [58]
3 years ago
9

A chemical reaction in which one element replaces another element in a compound can be categorized as?

Chemistry
1 answer:
alexira [117]3 years ago
4 0
Replacement reaction
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Suppose it took 108 joules of energy to raise a bar of gold from 25 °C to 29.7°C. Given that the specific heat capacity of gold
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Answer:

m = 180 g

Explanation:

Given data:

Energy absorbed = 108 J

Mas of gold = ?

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Final temperature = 29.7 °C

Specific heat capacity of gold = 0.128 J/g.°C

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT =29.7 °C - 25°C

ΔT = 4.7 °C

108 J = m ×0.128 J/g.°C ×4.7 °C

108 J = m ×0.60 J/g

m = 108 J/0.60 J/g

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Molecules can exist as: <br><br> A)solids <br> B) liquids <br> C) gases <br> D) all of the above
DerKrebs [107]

I believe it is D. Hope this helps you!

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3 years ago
A (n) blank is a movement or trembling of the ground that is caused by a sudden release of energy when rocks move along a fault.
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