1. A gas occupies a volume of 31.0 L at 18.0°C. If the gas temperature rises to 36.0 C atconstant pressure, (a) would you expect the volume to double to 62.0 L? Explain. Calculatethe new volume (b) at 36.0°C, (c) at 400. K, and (d) at 0"C.2. A 256 ml sample of a gas exerts a pressure of 2.75 atm at 16.0°C. What volume would itOCcupy at 1.00 atm and 100.C?|3. Calculate the molecular weight (mass) of a gaseous element if 0.480 g of the gasOccupies 367 ml at 365 torr and 45°C. Suggest the identity of the element.4. Analysis of a volatile liquid shows that it contains 37.23% carbon, 7.81% hydrogen, and54.96% chlorine by mass. At 150.°C and 1.00 atm, 500. mL of the vapor has a mass of0.922 g. (a) What is the molecular weight (mass) of the compound? (b) What is itsmolecular formula?5. A 4.00-L flask containing He at 6.00 atm is connected to a 2.00-L flask containing Na at 3.00atm and the gases are allowed to mix. (a) Find the partial pressures of each gas after theyare allowed to mix. (b) Find the total pressure of the mixture. (c) What is the mole fractionof helium?

The ideal gas equation is - PV = nRT = wRT/MM Where - P = pressure V = volume n = number of…

1. A gas occupies a volume of 31.0 L at 18.0"C. If the gas temperature rises to 36.0°C at constant pressure, (a) would you expect the volume to double to 62.0L? Explain. Calculate the new volume (b) at 36.O°C, (c) at 400. K, and (d) at 0°C. 2. A 256 ml sample of a gas exerts a pressure of 2.75 atm at 16.0°C. What volume would it OCcupy at 1.00 atm and 100."C? 3. Calculate the molecular weight (mass) of a gaseous element if 0.480 g of the gas OCcupies 367 mL at 365 torr and 45°C. Suggest the identity of the element.

1. A gas occupies a volume of 31.0 L at 18.0"C. If the gas temperature rises to 36.0°C at constant pressure, (a) would you expect the volume to double to 62.0L? Explain. Calculate the new volume (b) at 36.O°C, (c) at 400. K, and (d) at 0°C. 2. A 256 ml sample of a gas exerts a pressure of 2.75 atm at 16.0°C. What volume would it OCcupy at 1.00 atm and 100."C? 3. Calculate the molecular weight (mass) of a gaseous element if 0.480 g of the gas OCcupies 367 mL at 365 torr and 45°C. Suggest the identity of the element.

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...

See similar textbooks

Similar questions

Radon is a toxic gas that exists in minute quantities in most homes. If a sample of radon gas occupies a volume of 36.0L at 17.0°C, at what temperature, in °C, will it occupy a volume of 15.0L if the pressure remains constant? (Hint: Convert ° C to K) Your Answer:
For many purposes we can treat methane (CH,) as an ideal gas at temperatures above Its bolling point of-161. °C. Suppose the temperature of a sample of methane gas is ralsed from -21.0 °C to 13.0 °C, and at the same time the pressure is changed. If the Initlal pressure was 2.8 atm and the volume Increased by 30.0%, what is the final pressure? Round your answer to the correct number of significant digits. atm x10
For many purposes we can treat propane (C3H8) as an ideal gas at temperatures above its boiling point of -42. °C. Suppose the temperature of a sample of propane gas is lowered from 13.0 °C to -17.0 °C, and at the same time the pressure is changed. If the initial pressure was 3.3 atm and the volume increased by 30.0%, what is the final pressure? Round your answer to 2 significant digits. a atm ☐ x10 X
[Item #03] *refer to the photo below*
At 298 K, a 5.0-L flask contains 0.15 mol of O2 and 0.22 mol of N2. Calculate the partial pressure of N2 inside the container. (Note: the ideal gas constant is 0.0821 L•atm/mol•K)
(a) A volume (25.0 L) of gas at 45 K is heated to 450 K. What volume (in L) does the gas now occupy? (b) A volume (50.0 mL) of gas at 400. °C is cooled to 50. °C. What volume (in mL) does the gas now occupy?
1. Express R, the gas law constant in units of mL•kPa/mol•K by converting L and atm to mL and kPa, respectively. Show all your work and calculations.
A sample of helium gas occupies a volume of 8.14 L at 57.0°C and 1.09 atm. If it is desired to increase the volume of the gas sample to 10.8 L, while decreasing its pressure to 0.730 atm, the temperature of the gas sample at the new volume and pressure must be (blank) °C.
If a sample of Xenon gas occupies a volume of 31.0L at 17.0°C, at what temperature, in °C, will it occupy a volume of 7.0L if the pressure remains constant? (Hint: Convert ° to K)