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3 years ago

The sinking of dry air results in the formation of what terrestrial biome?

1 answer:

8 0

The sinking of dry air results in the formation of deserts. Dry air would absorb water from the surrounding area. Since the air moves, it would carry this moisture away. Therefore the dry air produces little precipitation and removes any available moisture from the area producing a desert. This typically happens at about 30 degrees north and 30 degrees south latitude. Hot moist air rises at the equator. The water condenses and falls as rain. As the air moves north and south it becomes dry and sinks at approximately 30 degrees north and south. This dry air allows deserts to be formed.

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During an adiabatic process an object does 100 J of work and its temperature decreases by 5 K. During another process it does 25

Liono4ka [1.6K]

Answer:

The heat capacity for the second process is 15 J/K.

Explanation:

Given that,

Work = 100 J

Change temperature = 5 k

For adiabatic process,

The heat energy always same.

$dQ=0$

$dU=-dW$

We need to calculate the number of moles and specific heat

Using formula of heat

$dU=nC_{v}dT$

$nC_{v}=\dfrac{dU}{dT}$

Put the value into the formula

$nC_{v}=\dfrac{-100}{5}$

$nC_{v}=-20\ J/K$

We need to calculate the heat

Using formula of heat

$dQ=nC_{v}(dT_{1})+dW_{1}$

Put the value into the formula

$dQ=-20\times5+25$

$dQ=-75\ J$

We need to calculate the heat capacity for the second process

Using formula of heat

$dQ=nC_{v}(dT_{1})$

Put the value into the formula

$-75=nC_{v}\times(-5)$

$nC_{v}=\dfrac{-75}{-5}$

$nC_{v}=15\ J/K$

Hence, The heat capacity for the second process is 15 J/K.

5 0

3 years ago

When you sit in a chair, your body exerts a downward force on the chair. What

Ahat [919]

I feel like the answer would be B. The chair pushes down on the floor becuase the question says when you sit in a chair, your body exerts a downward force on the chair so it would be pushing downward meaning that the chair would also go down making it push onto the floor.

7 0

3 years ago

Read 2 more answers

A forklift raises a 1,020 N crate 3.50 m up to a shelf. How much work is done by the forklift on the crate?

Anarel [89]

Hope this will help u..:)