when the pressure that a gas exerts on a sealed container changes from ____ atm to 2.64 atm, the temperature changes from 315 K to 475 K
Answers
Answer:
1.75 atm
Explanation:
When the pressure that a gas exerts on a sealed container changes from 1.75 atm to 2.64 atm, the temperature changes from 315 K to 475 K.
(2.64 atm) x (315 K / 475 K) = 1.75 atm
The pressure and temperature of a gas in a sealed container are directly proportional. An increase in temperature would imply that the pressure also increased.
Answer:1.75 atm
Explanation:
In a closed system, increase in pressure leads to increase in temperature. Using pressure law, P1/T1 = P2/T2
Data =
P1 =?
P2 = 2.64 atm
T1 = 315k
T2 = 475k
From the equation above,
P1 = P2 * T1 / T2
P1 = 2.64*315 / 475
P2 = 1.75 atm
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Answers
Answer:
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Question 7 options:
Their speeds are the same.
the object with the greater speed has greater kinetic energy
the object greater speed has the lower kinetic energy
the object with the smaller mass has the greater kinetic energy
Answers
Answer: Option (B) is the correct answer.
Explanation:
Kinetic energy is the energy due to the motion of an object.
Mathematically, K.E =
where m = mass
v = velocity
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Thus, we can conclude that out of the given options, the object with the greater speed has greater kinetic energy is true about their kinetic energy.
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Answer:
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One way that severe weather in the Earth's atmosphere affects the biosphere is that it can determine ones existence. Some people can survive and some will die when there is a severe storm such as flooding, tornadoes, and hurricanes.
Answers
Answer is: ionic bond.
Ionic bond is the electrostatic attraction between oppositely charged ions, cations (positive ions) and anions (negative ions).
For example compound magnesium chloride (MgCl₂) has ionic bond. Magnesium transfers two electrons, form positive cation Mg²⁺, to chlorine, form anion Cl⁻.
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Answers
It knows that when water evaporates, it carries heat energy away with it.
So your body puts some water out on your skin, and hopes that it will
evaporate. We call that "perspiring" or "sweating".
Answer:
your skin opens up
Explanation:
the pores i your skin opens up and let the water (sweat) out to help cool down your body.