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Law Incorporation [45]
3 years ago
5

How to solve this problem step by step

Chemistry
1 answer:
shtirl [24]3 years ago
8 0

Answer:

V_2= 736mL

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve this problem by using the combined gas law:

\frac{P_2V_2}{T_2}= \frac{P_1V_1}{T_1}

Thus, we solve for the final volume by solving for V2 as follows:

V_2= \frac{P_1V_1T_2}{T_1P_2}

Now, we plug in the variables to obtain the result in milliliters and making sure we have both temperatures in Kelvins:

V_2= \frac{1.20atm*735mL*279K}{(112+273)K*660/760atm}\\\\V_2= \frac{1.20atm*735mL*279K}{(112+273)K*660/760atm}=736mL

Regards!

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Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is C2H2(g)+2H2(g)?C2H6(g)
Alecsey [184]

Answer:

Keq =1.50108

Explanation:

The given reactionis

 C₂H₂(g) +2H₂(g) -------------> C₂H₂(g)

   ΔG0 f=ΔG0f n (products) - ΔG0f n (reactants )

              = -32.89 kJ/mol - (209.2 kJ/mol+2*0.0 kJ/mol)

              = - 242.09kJ/mol

   ΔG= -RTlnKeq

   ln Keq = -ΔG/RT

           =-(- 242.09kJ/mol ) / 2 k cal /mol*298 K

           =0.406

    Keq =e0.406

         Keq =1.50108

3 0
3 years ago
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What are the top eight elements found in the Earth’s crust?
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Answer: You should learn the symbols for the eight most abundant elements in the Earth's crust (Oxygen (O), Silicon (Si), Aluminum (Al), Calcium (Ca), Iron (Fe), Magnesium (Mg), Sodium (Na), and Potassium (K) .

Explanation:

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2 years ago
If the half-life of a radionulide is 1 month, what percent remains after 4 months?
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Explanation:

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after 1 month= 50%

after 2 months= 25%

after 3 months= 12.5%

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Answer:

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Question 24 (1 point)
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Answer:

Explanation:

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