TION 2 Law allows the prediction of gas volumes at different temperatures. What would the volume of a gas be (in mL) at 35.6'C if it started at a volume of 47.1 ml and a temperature of -64.4'C? Remember that temperatures must be in hen performing gas law calculations. TION 3 it measures the upper meniscus at 6.324 ml and the lower meniscus at 3.156 mL of the air bubble at 22.1'C and a pressure of 757 mmHg. How many moles of air is this? Refer to the table of density of dry air included in Appendix A ab manual. Give your answer in scientific notation (e.g. 211 would be 2.11e+02)

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 25E
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QUESTION 1
The following data was plotted on the graph below. Based on this graph, predict a value for absolute zero:
Temperature of Air ("C)
Volume of Air (mL)
100.0
140.00
110.00
105.00
20.0
4.0
Temperature Dependence of Volume of Air
145
140
y = 0.3679x + 103.13
R2 = 0.9994-
135
130
125
120
115
110
105
100
20
40
60
80
100
120
Temperature (°C).
Volume (mL)
Transcribed Image Text:QUESTION 1 The following data was plotted on the graph below. Based on this graph, predict a value for absolute zero: Temperature of Air ("C) Volume of Air (mL) 100.0 140.00 110.00 105.00 20.0 4.0 Temperature Dependence of Volume of Air 145 140 y = 0.3679x + 103.13 R2 = 0.9994- 135 130 125 120 115 110 105 100 20 40 60 80 100 120 Temperature (°C). Volume (mL)
QUESTION 2
Charles' Law allows the prediction of gas volumes at different temperatures. What would the volume of a gas be (in mL) at 35.6°C if it started at a volume of 47.1 mL and a temperature of -64.4°C? Remember that temperatures must be in
Kelvin when performing gas law calculations.
QUESTION 3
A student measures the upper meniscus at 6.324 mL and the lower meniscus at 3.156 ml of the air bubble at 22.1°C and a pressure of 757 mmHg. How many moles of air is this? Refer to the table of density of dry air included in Appendix A
of your lab manual. Give your answer in scientific notation (e.g. 211 would be 2.11e+02)
Transcribed Image Text:QUESTION 2 Charles' Law allows the prediction of gas volumes at different temperatures. What would the volume of a gas be (in mL) at 35.6°C if it started at a volume of 47.1 mL and a temperature of -64.4°C? Remember that temperatures must be in Kelvin when performing gas law calculations. QUESTION 3 A student measures the upper meniscus at 6.324 mL and the lower meniscus at 3.156 ml of the air bubble at 22.1°C and a pressure of 757 mmHg. How many moles of air is this? Refer to the table of density of dry air included in Appendix A of your lab manual. Give your answer in scientific notation (e.g. 211 would be 2.11e+02)
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