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Ierofanga [76]
3 years ago
15

What is the total amount of energy absorbed by the substance as it completely changes from a solid at 40°C to a gas at 200°C? A-

3 kJ, B-6kJ, C-12 kJ, D-18 kJ
Physics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

ok fine I will try to help u next time.e

Explanation:

not now

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iron

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Cho đoạn thẳng OAB. Đặt điện tích q tại O thì cường độ điện trường do nó gây ra ở A là EA =1600V/m,tạiBlàEB =100V/m.Cường độ điệ
BlackZzzverrR [31]

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What planet is closet in mass to earth
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is most like Earth in terms of mass and size, and it is also the planet closest to Earth, but the two planets are far from identical twins.

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3 years ago
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Air conditioners operate on the same principle as refrigerators. Consider an air conditioner that has 7.00 kg of refrigerant flo
kozerog [31]

Answer:

5.15J

Explanation:

First. 54% of the 7kg refrigerant is liquid

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M1 = ( 1-0.54)*7= 3.2kg

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M2= 0.95*7= 6.7kg

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4 0
3 years ago
During which phase of the moon do neap tides occur?
Fynjy0 [20]

Answer:

First Quarter and Third Quarter.

Explanation:

Tides are formed as a consequence of the differentiation of gravity due to the Moon across to the Earth sphere.

Since gravity variates with the distance:

F = G\frac{m1\cdot m2}{r^{2}} (1)

Where m1 and m2 are the masses of the two objects that are interacting and r is the distance between them.

For example, seeing the image below, point A is closer to the Moon than point b, and at the same time the center of mass of the Earth will feel more attracted to the Moon than point B. Therefore, that creates a tidal bulge in point A and point B.

When the Sun and the Moon are alight with respect to the Earth, then the Sun tidal force contributes to the tidal force of the Moon over the Earth. That makes the high tides even higher (spring tides).

               

However, when the Sun is not in the same line than the Moon (the Moon is at 90° with respect to the Sun), then the low tides are higher and the high tides are lower. That scenario is known as neap tides.

           

Therefore, that happens when the Moon is at First Quarter and Third Quarter.

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3 years ago
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