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Bogdan [553]
3 years ago
11

Help with questions 16 and 17! Please provide explanations too!

Physics
1 answer:
jok3333 [9.3K]3 years ago
7 0

Please look at the attached awesome drawing.

Both answers are there.

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List three reasons that rain predictions made by meteorologists are sometimes incorrect. Explain your response.
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Which layer of the earths atmosphere contains the ozone layer?
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Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide
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3 years ago
Heat is transferred at a rate of 2 kW from a hot reservoir at 800 K to a cold reservoir at 300 K. Calculate the rate at which th
vekshin1

Answer:

0.00417 kW/K or 4.17 W/K

Second law is satisfied.

Explanation:

Parameters given:

Rate of heat transfer, Q = 2kW

Temperature of hot reservoir, Th = 800K

Temperature of cold reservoir, Tc = 300K

The rate of entropy change is given as:

ΔS = Q * [(1/Tc) - (1/Th)]

ΔS = 2 * (1/300 - 1/800)

ΔS = 2 * 0.002085

ΔS = 0.00417 kW/K or 4.17 W/K

Since ΔS is greater than 0, te the second law of thermodynamics is satisfied.

6 0
3 years ago
A mass of gas has a volume of 4m3, a temperature of 290k, and an absolute pressure of 475 kpa. When the gas is allowed to expand
dsp73
P1v1/t1 = p2v2/t2
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