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3 years ago

10

Which of the following resources is inorganic and renewable

1 answer:

jek_recluse [69]3 years ago

3 0

Inorganic renewable resources come from non-living things such as the water, sun, and wind. Non-renewable resources cannot be easily replaced once they are destroyed. Examples of these resources include fossil fuels such as coal, petroleum, oil, and natural gas.

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nitrogen is made up of two isotopes N-14 and N15. given nitrogen’s atomic weight of 14.007 what is the percent abundance of each

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The answer is n14 if it

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The normal boiling point of liquid ethyl acetate is 350 K. Assuming that its molar heat of vaporization is constant at 34.4 kJ/m

Roman55 [17]

Answer:

337.22 K

Explanation:

Given that:

P₁ = 1 atm

T₁ = 350 K

P₂ = 0.639 atm

T₂ = ??? (unknown)

R(rate constant) = 8.34 J k⁻¹ mol⁻¹

Using Clausius-Clapeyron equation, we can determine the final boiling point of the process.

Clausius-Clapeyron equation can be written as:

$In\frac{P_2}{P_1}=\frac{\delta H_{vap}}{R}[\frac{T_2-T_1}{T_2T_1}]$

Substituting our values given; we have:

$In\frac{0.639}{1}=(\frac{34.4*10^3J/mol}{8.314 J K^{-1}mol^{-1}})[\frac{T_2-350}{350T_2}]$

$In({0.639})=(\frac{34.4*10^3}{8.314K^{-1}})[\frac{T_2-350}{350T_2}]$

$- 0.4479 = 41317.599 [\frac{T_2-350}{350T_2} ]K$

$-\frac{0.4479}{4137.599} = [\frac{T_2-350}{350T_2} ]$

$- 1.0825118*10^{-4} = [\frac{T_2-350}{350T_2} ]$

$- 1.0825118*10^{-4} *350T_2 =T_2-350$

$- 0.037889T_2=T_2-350$

$350 = 0.03789T_2+T_2$

$350 =1.03789T_2$

$T_2= \frac{350}{1.03789}$

$T_2 = 337.22K$

∴ the boiling point of CH3COOC2H5 when the external pressure is 0.639 atm is <u>337.22</u> K.

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