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A tank contains helium gas at 490 mmHg, nitrogen gas at 0.75 atm, and neon at 520 torr. What is the total pressure in atm? 2.1 atm 0.55 atm 1.0 × 103 atm 1.5 atm 1600 atm

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Eduard22sly

Answer:

2.1atm

Explanation:

The following were obtained from the question:

P(He) = 490mmHg

Recall: 760mmHg = 1atm

490mmHg = 490/760 = 0.64atm

P(N2) = 0.75 atm

P(Ne) = 520 torr

Recall: 760torr = 1atm

520torr = 520/760 = 0.68atm

Total pressure = P(He) + P(N2) + P(Ne)

Total pressure = 0.64 + 0.75 + 0.68

Total pressure = 2.07 = 2.1atm

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