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Vsevolod [243]
3 years ago
6

At what temperature would 0.500 moles of gas particles stored in a 100.0 mL container reach a pressure of 15.0 atm?

Chemistry
2 answers:
MArishka [77]3 years ago
6 0
Hey there!

<span>In this case, the equation of Clapeyron is used :

R = 0.082 

Volume in liters :

100.0 mL / 1000 => 0.1 L 
</span>
P * V = n * R * T

15.0 * 0.1 = 0.500 * 0.082 * T

1.5 = 0.041 * T

T = 1.5 / 0.041

T = 36.5 K

Answer C
Sloan [31]3 years ago
3 0

Answer: Option (C) is the correct answer.

Explanation:

According to ideal gas law, product of pressure and volume equals n times R times T.

Mathematically,       PV = nRT

where         P = pressure

                  V = volume

                  n = number of moles

                  R = gas constant

                  T = temperature

Since it is known that value R = 0.082 L atm mol^{-1} K^{-1} and the other values are given as P = 15.0 atm, V = 100 mL = 0.1 L, and n = 0.5 moles.

Therefore, calculate value of temperature as follows.

                           PV = nRT

                15 atm \times 0.1 L = 0.5 moles \times 0.082 L atm mol^{-1} K^{-1} \times T

               T = 36.58 K

Thus, we can conclude that temperature is 36.5 K.

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How many moles of oxygen must be placed
umka21 [38]

Answer: 0.245 moles of oxygen must be placed in the container to exert the given pressure at the given temperature. The Ideal Gas Law equation gives the relationship among the pressure, volume, temperature, and moles of gas.

Further Explanation:

The Ideal Gas Equation is:  

PV = nRT  

where:  

P - pressure (in atm)  

V - volume (in L)  

n - amount of gas (in moles)  

R - universal gas constant 0.08206 \frac{L-atm}{mol-K}  

T - temperature (in K)  

In the problem, we are given the values:  

P = 2.00 atm (3 significant figures)

V = 3.00 L  (3 significant figures)

n = ?

T = 25.0 degrees Celsius (3 significant figures)  

We need to convert the temperature to Kelvin before we can use the Ideal Gas Equation. The formula to convert from degree Celsius to Kelvin is:  

Temperature \ in \ Kelvin = Temperature\ in \ Celsius \ + \ 273.15  

Therefore, for this problem,  

Temperature\ in \ K = 25.0 +273.15\\Temperature\ in \ K = 298.15  

Solving for n using the Ideal Gas Equation:  

n \ = \frac{PV}{RT}\\n \ = \frac{(2.00 \ atm) \ (3.00 \ L)}{(0.08206 \ \frac{L-atm}{mol-K})( 298.15 \ K)}  \\n \ = 0.245 \ mol

The least number of significant figures is 3, therefore, the final answer must have only 3 significant figures.

Learn More  

1. Learn more about Boyle's Law brainly.com/question/1437490  

2. Learn more about Charles' Law brainly.com/question/1421697  

3. Learn more about Gay-Lussac's Law brainly.com/question/6534668

Keywords: Ideal Gas Law, Volume, Pressure

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What are the two ways in which pressure can be increased?
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Volume and Pressure are indirectly related. When volume decreases, your pressure will increase.
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If you had 0.681 moles of caso4.2h2o, how many moles of h2o would you have?
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6. Would you describe each of these temperatures as warm, hot, or cold?
mash [69]

Answer:

b: Hot

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d: Warm

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Explanation:

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