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Vadim26 [7]
4 years ago
7

Where is air pressure greater exophere or trophere

Chemistry
1 answer:
PtichkaEL [24]4 years ago
5 0
Exit here is the answer or this question
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AuB4O7 name<br> Element i need help
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Can you ask your question more thoroughly?
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3 years ago
In one to two sentences, identify and describe the processes that must happen for sand to eventually become metamorphic rock.
max2010maxim [7]

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when sediments harden, extreme pressure increase the temperature and then take time to alter to metamorphic rocks. <3~

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3 years ago
Of the following gases, ________ will have the greatest rate of effusion at a given temperature. Of the following gases, _______
kolezko [41]

<u>Answer:</u> From the given gases, the greatest rate of effusion is of CH_4

<u>Explanation:</u>

Rate of effusion of a gas is determined by a law known as Graham's Law.

This law states that the rate of effusion or diffusion of a gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows:

\text{Rate of diffusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}

It is visible that molar mass is inversely related to rate of effusion. So, the gas having lowest molar mass will have the highest rate of effusion.

For the given gases:

Molar mass of NH_3=17g/mol

Molar mass of HCl=36.5g/mol

Molar mass of CH_4=16g/mol

Molar mass of Ar=40g/mol

Molar mass of HBr=81g/mol

The molar mass of methane gas is the lowest. Thus, it will have the greatest rate of effusion.

Hence, the greatest rate of effusion is of CH_4

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4 years ago
What triggers the small earthquakes that occur around a volcano before an eruption
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<span>Before the eruption,the fluid pressure from the rising magma (dense liquid) cracks the rocsk, the tectonic plates under the Earth's crust are moved and as a result earthquakes are caused. Manu small earthquakes in the area near a volcano hint what may happen.</span>
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Who are you voting for? if u r and if u could
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Biden

Explanation:

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