Name:Peer Leader:Date:For all problems involving calculations, show your work. Carry the units through eachcalculation and follow significant figure rules.1.atm2.44mmHgModule 7 Worksheet452Torr960kPa237PSI20.72. There are 36.7 grams of ammonia gas trapped in a non- deformable container. Calculate thevolume of the gas occupied in the container under STP conditions.1873. Calculate the volume of 5.9 x 1023 molecules of propane gas trapped in a container at apressure of 253.3 kPa and a temperature of 269 °F4.A lightbulb contains 0.0753 g of helium gas with a pressure of 189 torr at 22.0 °C. Thelight bulb is then turned on and, after a period of time, the temperature rises to279 °C. Calculate the final pressure inside the lightbulb.5.In a car engine, a 425 mL cylinder and piston system is filled with a mixture of 0.83 gand 0.37 g of octane and oxygen gas, respectively. Both gases are at a temperature of 28 °C. If

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Peer Leader: Date: For all problems involving calculations, show your work. Carry the units through each calculation and follow significant figure rules. 1. atm 2.44 mmHg 452 Torr 960 kPa 237 PSI 20.7

Peer Leader: Date: For all problems involving calculations, show your work. Carry the units through each calculation and follow significant figure rules. 1. atm 2.44 mmHg 452 Torr 960 kPa 237 PSI 20.7

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter4: Introduction To Gases

Section: Chapter Questions

Problem 4.1TC: Target check For each of the macroscopic charcateristics unique to the gas phase of matter described...

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

Name:
Peer Leader:
Date:
For all problems involving calculations, show your work. Carry the units through each
calculation and follow significant figure rules.
1.
atm
2.44
mmHg
Module 7 Worksheet
452
Torr
960
kPa
237
PSI
20.7
2. There are 36.7 grams of ammonia gas trapped in a non- deformable container. Calculate the
volume of the gas occupied in the container under STP conditions.
187
3. Calculate the volume of 5.9 x 1023 molecules of propane gas trapped in a container at a
pressure of 253.3 kPa and a temperature of 269 °F
4.
A lightbulb contains 0.0753 g of helium gas with a pressure of 189 torr at 22.0 °C. The
light bulb is then turned on and, after a period of time, the temperature rises to
279 °C. Calculate the final pressure inside the lightbulb.
5.
In a car engine, a 425 mL cylinder and piston system is filled with a mixture of 0.83 g
and 0.37 g of octane and oxygen gas, respectively. Both gases are at a temperature of 28 °C. If

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The ideal gas law, R, can be experimentally determined. Use the data provided below from the reaction of potassium chlorate decomposing to form oxygen gas and potassium chloride to experimentally determine the value of R in units of L•atm/mol•K. 2KClO3 (s) → 2KCl (s) + 3O2 (g) The evolved oxygen is collected over water. The relevant data from the experiment is summarized below. Mass of KClO3 used 0.0665 g Initial volume reading 46.0 mL Final volume reading 64.2 mL Temperature 22.0°C Total pressure 772.0 mm Hg A table of vapor pressures of water is also available: Temperature (°C) Vapor Pressure of Water (mm Hg) 21 18.7 22 19.8 23 21.1 24 22.4 25 23.8 How many moles of KClO3 were used in this experiment? many moles of O2 gas were evolved in this experiment? What is the experimentally determined value of the ideal gas law constant, R, expressed in L•atm/mol•K?
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