5.) The density of a gaseous compound was found to be 1.23 kg m³ at 330 K and 20 kPa. What is the molar mass ofthe compound?6.) If 8.0 grams of a gas occupies 22.4 L at 0 °C and 0.25 atm, then the molecular weight of the gas is of what value?7.) A 2.747 g sample of manganese metal is reacted with excess HCI gas to produce 3.22 L of H2 at 373 K and 0.951atm and a manganese chloride compound (MnCl»). What is the formula of the manganese compound produced in thereaction?8.) A sample that has a pressure of 4.23 atm, a volume of 1,870 mL, and a temperature of 293 K can expand to avolume of 6.01 L with a final temperature of 373 K. What is the final pressure of the gas in atmospheres?9.) In liters, what is the volume of a sample of CO2 (9) that has a mass of 25.0 g at STP?10.) What is the temperature, in Kelvins, of 0.60 mol of a gas that occupies 2.8 L at a pressure of 4.1 atm?

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5.) The density of a gaseous compound was found to be 1.23 kg m3 at 330 K and 20 kPa. What is the molar mass of the compound?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

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5.) The density of a gaseous compound was found to be 1.23 kg m³ at 330 K and 20 kPa. What is the molar mass of
the compound?
6.) If 8.0 grams of a gas occupies 22.4 L at 0 °C and 0.25 atm, then the molecular weight of the gas is of what value?
7.) A 2.747 g sample of manganese metal is reacted with excess HCI gas to produce 3.22 L of H2 at 373 K and 0.951
atm and a manganese chloride compound (MnCl»). What is the formula of the manganese compound produced in the
reaction?
8.) A sample that has a pressure of 4.23 atm, a volume of 1,870 mL, and a temperature of 293 K can expand to a
volume of 6.01 L with a final temperature of 373 K. What is the final pressure of the gas in atmospheres?
9.) In liters, what is the volume of a sample of CO2 (9) that has a mass of 25.0 g at STP?
10.) What is the temperature, in Kelvins, of 0.60 mol of a gas that occupies 2.8 L at a pressure of 4.1 atm?

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