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Which of the following has the largest particle density (molecules per unit volume)? (A) 0.8 L of nitrogen gas at 350 K and 100 kPa (B) 1.0 L hydrogen gas at 350 K and 150 kPa (C) 1.5 L oxygen gas at 300 K and 80 kPa (D) 2.0 L of helium gas at 300 K and 120 kPa

Which of the following has the largest particle density (molecules per unit volume)?
(A) 0.8 L of nitrogen gas at 350 K and 100 kPa
(B) 1.0 L hydrogen gas at 350 K and 150 kPa         
(C) 1.5 L oxygen gas at 300 K and 80 kPa
(D) 2.0 L of  helium gas at 300 K and 120 kPa

Grade:upto college level

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