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Kazeer [188]
3 years ago
15

Which is not an example of mechanical energy used in power plants? *

Chemistry
2 answers:
zhuklara [117]3 years ago
7 0

Answer:

Gravity

Explanation:

Gravity is not a form of mechanical energy used in power plants

mr_godi [17]3 years ago
5 0

burninh fossil fuels is not an example

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For each set of values, calculate the missing variable using the ideal gas law.
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Answer:

1. n = 0.174mol

2. T= 26.8K

3. P = 1.02atm

4. V = 126.88L

Explanation:

1. P= 2.61atm

V = 1.69L

T = 36.1 °C = 36.1 + 273= 309.1K

R = 0.082atm.L/mol /K

n =?

n = PV / RT = (2.61x1.69)/(0.082x309.1)

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2. P = 302 kPa = 302000Pa

101325Pa = 1atm

302000Pa = 302000/101325 = 2.98atm

V = 2382 mL = 2.382L

T =?

n = 3.23 mol

R = 0.082atm.L/mol /K

T= PV /nR = (2.98x2.382)/(3.23x0.082) = 26.8K

3. P =?

V = 0.0250 m³ = 25L

T = 288K

n = 1.08mol

R = 0.082atm.L/mol /K

P = nRT/V = (1.08x0.082x288)/25 = 1.02atm

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760Torr = 1 atm

782 torr = 782/760 = 1.03atm

V =?

T = 303K

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