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fiasKO [112]
3 years ago
8

Just answer you'll get f r e e points

Engineering
2 answers:
ale4655 [162]3 years ago
8 0

Answer:

Yasssssssssssssssssssssssss

jeka57 [31]3 years ago
3 0

Answer:

ok.................

Explanation:

thanks!!!!!!!!!!!!!!!

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If you know that the change in entropy of a cup of coffee where heat was added is 20 J/K, and that the temperature of the coffee
Anna35 [415]

Answer:

5000J

Explanation:

Given in the question that

Heat added to the coffee cup is, ΔS = 20 J/K

The temperature of the coffee, T = 250 K

Now, using the formula for the entropy change

\bigtriangleup S=-\frac{\bigtriangleup H}{T} ...........(1)

Where,

ΔS is the entropy change

ΔH is the enthalpy change

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substituting the values in the equation (1)

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20=-\frac{\bigtriangleup H}{250}

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Calculate the kinetic energy in kJ of an automobile (3,000 lb) travelling at 60 miles per hour.
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