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the energy in a system will naturally spread out Question 8 2.5 pts As the molecules of a substance gain heat energy, which of t

the energy in a system will naturally spread out Question 8 2.5 pts As the molecules of a substance gain heat energy, which of the following occurs? O they increase in size due to the added energy O they have more kinetic energy because they are vibrating faster O they decrease in size due to the added energy O they have more kinetic energy because collisions are occurring less frequently

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Question 7
Entropy is the amount of disorder within a system. This means -
the energy in a system will naturally gather in one spot
O the energy in a system is naturally spreading out and coming back together
the energy in a system will not naturally chang

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Question 7 Entropy is the amount of disorder within a system. This means - the energy in a system will naturally gather in one spot O the energy in a system is naturally spreading out and coming back together the energy in a system will not naturally change in any way O the energy in a system will naturally spread out

p131hw15-phy131EJ-2021Sur x
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3. [-70.2 Points]
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OSCOLPHYS2016 15.4.WA.030.
MY NOTES
ASK YOUR TEACHER
PRACTICE AN

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p131hw15-phy131EJ-2021Sur x C A child is outside his home play X + webassign.net/web/Student/Assignment-Responses/submit?dep=26775896&tags=autosave#question3571574_3 3. [-70.2 Points] DETAILS OSCOLPHYS2016 15.4.WA.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHE The hot and cold reservoirs of a Carnot engine are 303°C and 71.7°C respectively. The temperature of the hot reservoir is raised by 35°C in order to increase the efficiency of the engine. (a) What is the efficiency after the increase in temperature? % (b) Instead of raising the temperature of the hot reservoir, if the temperature of the cold reservoir is decreased by 35°C, what would be the efficiency of the engine? % Additional Materials Reading 4. [0/0.2 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 15.5.WA.036.TUTORIAL. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER

Lake Erie contains roughly 4.00 x 1011 mof water.
(a) How much energy is required to raise the temperature of that volume of water from 15.8°C to 20.2°C? (Assume the
density of this water to be equal to that of water at 20°C and 1 atm.)
(b) How many years

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Lake Erie contains roughly 4.00 x 1011 mof water. (a) How much energy is required to raise the temperature of that volume of water from 15.8°C to 20.2°C? (Assume the density of this water to be equal to that of water at 20°C and 1 atm.) (b) How many years would it take to supply this amount of energy by using the 1,400-MW exhaust energy of an electric power plant? yr Additional Materials