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At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 and 4 moles of N2 . Without changing the total pressure if one mole of 02 is removed, the partial pressure of 02 is (a) changed by about 16% (b) halved [c) changed by 26% (d) unchanged?
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At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 an...
Answer:

Given: STP, 1 mole of Ar, 2 moles of CO2, 3 moles of O2, and 4 moles of N2.

To find: Partial pressure of O2 after removing one mole of O2 without changing the total pressure.

Solution:

Step 1: Calculate the total number of moles of gas in the container.

Total number of moles of gas = 1 + 2 + 3 + 4 = 10 moles.

Step 2: Calculate the initial partial pressure of O2.

Partial pressure of O2 = (3/10) x 1 atm = 0.3 atm.

Step 3: Calculate the initial total pressure.

Total pressure = 1 atm x 10 moles = 10 atm.

Step 4: Calculate the new total number of moles of gas in the container after removing one mole of O2.

Total number of moles of gas = 1 + 2 + 2 + 4 = 9 moles.

Step 5: Calculate the new partial pressure of O2.

Partial pressure of O2 = (2/9) x 1 atm = 0.222 atm.

Step 6: Calculate the percentage change in the partial pressure of O2.

Percentage change in the partial pressure of O2 = [(0.222 - 0.3)/0.3] x 100% = -26.67%.

Answer: The partial pressure of O2 is changed by about 26%. Therefore, the correct option is (c).
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At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 an...
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At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 and 4 moles of N2 . Without changing the total pressure if one mole of 02 is removed, the partial pressure of 02 is (a) changed by about 16% (b) halved [c) changed by 26% (d) unchanged?
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At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 and 4 moles of N2 . Without changing the total pressure if one mole of 02 is removed, the partial pressure of 02 is (a) changed by about 16% (b) halved [c) changed by 26% (d) unchanged? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 and 4 moles of N2 . Without changing the total pressure if one mole of 02 is removed, the partial pressure of 02 is (a) changed by about 16% (b) halved [c) changed by 26% (d) unchanged? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for At STP, a container has 1 mole of Ar, 2 moles of C02, 3 moles of 02 and 4 moles of N2 . Without changing the total pressure if one mole of 02 is removed, the partial pressure of 02 is (a) changed by about 16% (b) halved [c) changed by 26% (d) unchanged?.
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