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MaRussiya [10]
3 years ago
9

Cells perform many functions in living organisms. Which of the following processes occur in cells? A. extracting energy B. excre

ting wastes C. obtaining nutrients D. all of these
Chemistry
2 answers:
nirvana33 [79]3 years ago
8 0

Answer:

It is D

Explanation:

i just did it and i got it correct

arsen [322]3 years ago
7 0
D all of these is correct
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The temperature is -14°C the air pressure in an automobile tire is 149K PA if the volume does not change what is the pressure af
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Answer: The pressure after the tire is heated to 17.3°C is 167 kPa

Explanation:

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

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We are given:

P_1=149kPa\\T_1=-14^0C=(273-14)=259K\\P_2=?=27.5psi\\T_2=17.3^0C=(273+17.3)=290.3K

Putting values in above equation, we get:

\frac{149}{259}=\frac{P_2}{290.3}\\\\P_2=167kPa

Hence, the pressure after the tire is heated to 17.3°C is 167 kPa

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