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I need a correction for the wrong ones please
20, Sample of 1.30 moles of neon gas in the rigid container had pressure of 0.950 atm. How many grams of neon must be added to the container to increase pressure to 1.15 atm? A) 5.52 g B) 0.273 g C) 31.8 g D) 12.5 g What is density of argon at STP? A) 2.86 g/L B) 3.25 g/mL C) 1.78 g/L D) 4.56 g/mL 22. Density of carbon dioxide at 35°C and pressure 1.10 atm is A) 2.78 g/L B) 1.91 g/L C) 0.0823 g/L D) 1.91 g/mL 35°C+273=308 23. A 250.0-ml sample of ammonia, NH3(g), exerts a pressure of 833 torr at 20.0°C. What mass of ammonia is in the container? A) 0.0787 g B) 0.180 g C) 0.193 g D) 17.0 g What is molar mass of unknown gas if 7.8 g of it occupies 6.7 L at 750C at 790 mmHg? A) 21.6 g/mol B) 83.5 g/mol C) 56.8 g/ mol D) 32.5 g/mol What pressure will 14.0 g of CO exert in a 3.50 L container at 55°C? A) 3.85 atm B) 0.318 atm VEL C) 1.65 atm D) 2.26 atm me 14g 55+278-328K PRI 26. Sample of gas initially has a volume of 859 mL at 565 K and 2.20 atm. What pressure will the sample have if the volume changes to 268 mL, while temperature is increased to 615 K? A) 1.68 atm B) 7.68 atm C) 6.47 atm D) 2.45 atm