3 years ago

Why are nonvascular plants found in moist enviroments?

Chemistry

2 answers:

Elina [12.6K]3 years ago

6 0

This is because they need lots if water to grow

ss7ja [257]3 years ago

4 0

Plants need it to grow like food water soil and yes there is food for plants when they almost died

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Anettt [7]

Answer:

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Explanation:

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Calculate the solubility of benzene in water at 25 c in ppm. the required henry's law constant is 5.6 bar/mol/kg and benzene's s

kap26 [50]

The relationship between pressure and solubility of the gas is given by Henry's law as:

$S_g = kP_g$

where,

$S_g$ is the solubility of the gas.

$k$ is proportionality constant i.e. Henry's constant.

$P_g$ is pressure of the gas.

$k = 5.6 bar/mol/kg$ (given)

$P_g = 0.13 bar$ (given)

Substituting the values,

$S_g = 5.6 bar/mol/kg\times 0.13 bar = 0.728 mole/kg$

To convert $mole/kg$ to $g/kg$ :

Molar mass of benzene, $C_6H_6$ = $6\times 12+6\times 1 = 78 g/mol$

$0.728\times 78 = 56.784 g/kg$

Now for converting into $ppm$ :

Since, $1 ppm = 0.001 g/kg$

So, $56.784\times 1000 = 56784 ppm$ .

Hence, the solubility of benzene in water at $25^{o} C$ in $ppm$ is $56784 ppm$ .

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3 years ago

A patient can't move his legs after a motorcycle accident. The doctor suspects nerve damage. What part of the peripheral nervous

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