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barxatty [35]
3 years ago
13

What is the change in internal energy if 60 J of heat are added to a system

Physics
1 answer:
tester [92]3 years ago
4 0

Answer:

20 J

Explanation:

ΔU = Q − W

ΔU = 60 J − 40 J

ΔU = 20 J

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Which statement best describes what energy transfer diagrams show?
monitta

Answer:

Every energy transformation results in a reduction of energy

Explanation:

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3 years ago
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Part of the solar radiation entering the atmosphere about ___ actually reaches the earth's surface
Dmitry [639]

Answer:

48%

Explanation:

The earth's temperature has to be stable and this is the reason for the presence of incoming and outgoing heat. Of the solar energy reaching the atmosphere, about 29% is bounced back as reflected radiation by clouds, snow and particles in the atmosphere, about 23% is absorbed by the atmosphere and about 48% actually gets to the earth surface.

4 0
2 years ago
a 12.0L container is filled with a gas to a pressure of 2660 torr at 0°C. At what temp. will the pressure inside the container b
Alexxx [7]
\frac{p1}{t1} = \frac{p2}{t2}

Pressure Law: constant volume

Convert all Temperatures to Kelvin

0°C= 273K

\frac{2660}{273} = \frac{3040}{t2} \\ \\ 3040 \times 273 = t2 \times 2660 \\ \\ 829920 \div 2660 = t2 \\ \\ t2 = 312

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6 0
3 years ago
Can anyone help with this?
sleet_krkn [62]

Answer:

A. The volume of the object

Explanation:

First of all, it can only PROBABLY be A or D

But why is it only A?

  • Mass = The amount of matter in an object (nothing related here)
  • Volume = How much space is the object taking (super related here)

It's VOLUME here and not MASS here because:

  • It it would be Mass, then the object size could be anything, but the liquid wouldn't move as much higher.
  • But because it is Volume, it is taking space, which makes the liquid move
  • If the Mass would be the answer, then it would be totally not related, because mass isn't related over here, it matters about size.

<h2>Hence, A. The volume of the object </h2>

is your answer!!!!

4 0
1 year ago
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Name two index fossils. Why are these fossils important to the practice of relative aging?
Inessa05 [86]
Dinosaur and bird so u can see how they developed and how they aged to become something popular<span />
8 0
3 years ago
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