When matter is broken down physically by wind or chemically by salt water, what is this known as?

1 answer:

3 0

C, erosion. Erosion is the natural process of breaking down natural products through wind, or similar natural resources.

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Perform the following calculations and give your answer with the correct number of significant figures:

GarryVolchara [31]

I think this is the answer try it

172.3995

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When the white part is on the left the moon is.??

Kazeer [188]

Answer:

Last Quarter also called Third Quarter.

Explanation:

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2 years ago

Name two compounds in unpolluted air?

elena-14-01-66 [18.8K]

The two compounds present in unpolluted air are carbon dioxide and water. You may think that carbn dioxide is a greenhouse gas, yes it is and at the same time not. There animals in the earth that produces carbon dioxide into the atmosphere, the carbon dioxide too, is also need for plan respiration.

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2 years ago

Electrons. The carbon atom has a total of

Lunna [17]

Answer:

Six electrons.

Explanation:

A carbon atom has six protons, so it must have six electrons.

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2 years ago

In an equimolar mixture of o2 and n2, are the mass fractions equal?

nika2105 [10]

Answer:

Explanation:

The mass fraction is defined as:

$w_{i}=\frac{m_{i} }{m_{t} }$

where:

wi: mass fraction of the substance i
mi: mass of the substance i
mt: total mass of the system

The mass fraction of two substances (A and B), will be the same, ONLY if the mass of the substance A (mA) is the same as the mass of the substance B (mB).

An equimolar mixutre of O2 and N2 has the same amount of moles of oxygen and nitrogen, just to give an example let's say that the system has 1 mole of O2 and 1 mole of N2. Then using the molecuar weigth of each of them we can calculate the mass:

mA= 1 mole of O2 * 16 g/1mol = 16 g

mB=1 mole of N2 *28 g/1mol=28 g

As mA≠mB then the mass fractions are not equal, so the answear is NO.

4 0

3 years ago