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marta [7]
3 years ago
5

Given a piece of metal with a mass of 112 grams and a volume of 24 cubic centimeters (cm3), what is its density? Use the correct

formula to obtain your answer.
Chemistry
1 answer:
Daniel [21]3 years ago
8 0
Mass/ volume 
112/ 24
4.6666 
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Answer:

Δ S = 26.2 J/K

Explanation:

The change in entropy can be calculated from the formula  -

Δ S = m Cp ln ( T₂ / T₁ )

Where ,

Δ S = change in entropy

m = mass  = 2.00 kg

Cp =specific heat of lead is 130 J / (kg ∙ K) .

T₂ = final temperature  10.0°C + 273 = 283 K

T₁ = initial temperature ,  40.0°C + 273 = 313 K

Applying the above formula ,

The change in entropy is calculated as ,

ΔS = m Cp ln ( T₂ / T₁ )  = (2.00 )( 130 ) ln( 283 K / 313 K )

ΔS = 26.2 J/K

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The niels bohr model
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stira [4]

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HELPPP LOOK AT PICTURE
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