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Alenkasestr [34]
3 years ago
15

At a temperature of 500 kelvins, 6 liters of an ideal gas had a pressure of 300 newtons

Chemistry
2 answers:
mr Goodwill [35]3 years ago
6 0

Answer A

Explanation:

Aleks [24]3 years ago
6 0

Answer:

(A) 100 newtons/m^2

Explanation:

Hello,

In this case, the equation defining such changes is:

P_1V_1T_2=P_2V_2T_1

Thus, the unknown is the pressure at the second state, which is found as shown below:

P_2=\frac{P_1V_1T_2}{V_2T_1}=\frac{300Pa*6L*250K}{9L*500K} \\P_2=100Pa=100\frac{N}{m^2}

Therefore, the answer is (A).

Best regards.

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3 years ago
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     Explanation 
 
find  the  moles of each  element
moles  = % composition/molar  mass

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moles  of potassium  =  31.9 / 39 = 0.818  moles
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find the  mole ratio  by  dividing   with  the smallest  mole = 0.814  moles

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chlorine  =  0.814/0.814 = 1
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