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3 years ago

How does wind change the shape of earth surface?

Chemistry

1 answer:

blsea [12.9K]3 years ago

4 0

Answer:

wind can cause rocks to erode and can expose more of the earth crust then before.

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If you know velocity you know speed true or false

ICE Princess25 [194]

Answer:

True I think

Explanation:

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3 years ago

What 2 types of rock make up a large majority of the composition of earth crust?

maxonik [38]

Igneous and <span>granite are the rocks.</span>

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4 years ago

Did entropy increase or decrease?

seropon [69]

Answer:

1) increase

2) increase

Explanation:

Entropy is the degree of disorderliness or randomness of a system. It is the measure of the unavailable energy in a system.

Entropy increases with increase in the number of particles. If the number of particles in a system increases from left to right, the entropy of the system increases accordingly.

In reaction 1, the number of particles from left to right increased from two to three hence the entropy was increased.

In reaction 2, the number of particles from left to right increased from three to five hence the entropy was increased.

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3 years ago

What is the mass of 3.5 moles of helium gas?

andrew11 [14]

Answer:

1 mole is equal to 1 moles Helium, or 4.002602 grams.

Explanation:

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4 years ago

Read 2 more answers

After the end of a normal inspiration, the volume of air in the lungs is about 2.8 L. Normally quiet inspiration is driven by a

vodka [1.7K]

Answer:

The Volume of the lungs that would produce 2 mmHg pressure decrease is

$V_2 = 2.81 \ L$

Explanation:

From the question we are told that

The volume of air in the lungs is $V = 2.8 \ L$

The pressure difference for quit normal inspiration is $P = 2 \ mmHg$

The temperature of air in the lungs $T = 37^oC$

The pressure after normal expiration is at $T = 760 \ mmHg$

From ideal gas law we have that

$PV= nRT$

Now since nRT is constant we have that

$P_1 V_1 = P_2 V_2$

As the pressure decreased by 2 mmHg the volume becomes

$V_2 = \frac{P_1 V_1}{P_2}$

$V_2 = \frac{2.8 * 760}{758}$

$V_2 = 2.81 \ L$

3 0

3 years ago