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Gwar [14]
3 years ago
7

Which of the following contains the smallest amount of matter?

Chemistry
1 answer:
AnnyKZ [126]3 years ago
7 0
I believe it would be A) 25g
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V  = 3.5 x 22.4 / 1

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What is the identity of the element whose isotopes you have selected
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6 0
2 years ago
How much heat is added if .0948g of water is increased in temperature by .728 degrees C?
Verdich [7]

Answer:

0.289J of heat are added

Explanation:

We can relate the change in heat of a substance with its increasing in temperature using the equation:

q = m*ΔT*S

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<em>m is mass of substance (In this case, 0.0948g of water)</em>

<em>ΔT = 0.728°C</em>

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Replacing:

q = 0.0948g*0.728°C*4.184J/g°C

q = 0.289J of heat are added

5 0
2 years ago
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