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3 years ago

The weathering of a tall mountain down into a low-lying hill is an example of a landform being changed through a ______ process

Chemistry

1 answer:

e-lub [12.9K]3 years ago

7 0

an erosive process or erosion

erosion is when a rock is changed through the weather

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Which of the following statements is true of an aqueous solution of sodium chloride?

Ilya [14]

Answer:

What are the statements please

Explanation:

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3 years ago

The element whose neutral isolated atoms in the ground state have three half filled orbital is

jolli1 [7]

One would be phosporous whose configuration is 1s2 2s2 2p6 3s2 3p3

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3 years ago

If a Kleenex box has a length of 8cm, width or 2cm, and a height of 4cm what is the volume of the Kleenex box?

Anettt [7]

Answer:

The volume of the Kleenex box is 64 cm.

Explanation:

Volume = B x W x H

So: V = 8cm x 2cm x 4cm = 64cm

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3 years ago

What total volume of ozone measured at a pressure of 24.5 mmHg and a temperature of 232 K can be destroyed when all of the chlor

ddd [48]

Answer:

$1.75272\ \text{m}^3$

Explanation:

The breakdown reaction of ozone is as follows

$CF_3Cl + UV \rightarrow CF_3 + Cl$

$Cl + O_3 \rightarrow ClO + O_2$

$O_3 + UV \rightarrow O_2 + O$

$ClO + O \rightarrow Cl + O_2$

It can be seen that 2 moles of ozone is required in the complete cycle

So for 10 cycles, 20 moles of ozone is required

m = Mass of $CF_3Cl$ = 15.5 g

M = Molar mass of $CF_3Cl$ = 104.46 g/mol

P = Pressure = 24.5 mmHg

T = Temperature = 232 K

R = Gas constant = $62.363\ \text{L mmHg/K mol}$

Number of moles is given by

$n=\dfrac{m}{M}\\\Rightarrow n=\dfrac{15.5}{104.46}\\\Rightarrow n=0.1484\ \text{moles}$

$20\ \text{moles} = 20\times 0.1484 = 2.968\ \text{moles}$

From ideal gas law we have

$PV=nRT\\\Rightarrow V=\dfrac{nRT}{P}\\\Rightarrow V=\dfrac{2.968\times 62.363\times 232}{24.5}\\\Rightarrow V=1752.72\ \text{L}=1.75272\ \text{m}^3$

For 20 cycles of the reaction the volume of the ozone is $1.75272\ \text{m}^3$ .

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3 years ago

What gives the gem amethyst its purplish color?

Aleks [24]

Answer will be B:Iron

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3 years ago

Read 2 more answers