A balloon originally had a volume of 5.39Lat 317 K and a pressure of 755 mmHg.To what temperature ( in K) must theballoon be cooled to reduce Its volume toChoose.4.00 L at a pressure of 620 mmHg?Consider the following thermochemicalequation:2 NO 21g)2NO + Ozla).AH = -114.1 kJIf 3.00 x 10 g NO, were produced, thenthe amount of heat released (in kJ) wouldChoose.be:Consider the followingreactions:+ 302 (a)2 Wo,2W,AH= -1939.40(a)kJ/mol2H2 ()2H,0 (a)AH= - 477.84 kJ/molChoose.Use Hess's law to Calculate AH (inkJ/mol) for the following reaction:wo,(a) + 3H2 (a)What is the molar heat of combustion ofmethanol CH,OH ( in kJ/mol), If thecombustion of 1.0 g of methanol causes atemperature rise of 3.68 °C in a bombcalorimeter that has a heat capacity ofChoose.6.43 J/°C?The mole fraction of N, gas in the air is0.781 at 760 torr, Calculate the partlalpressure of N, In alrChoose. v

“Since you have asked multiple question, we will solve the first question for you. If you want any…

A balloon originally had a volume of 5.39 Lat 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce Its volume to Choose. v 4.00 L at a pressure of 620 mmHg?

A balloon originally had a volume of 5.39 Lat 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce Its volume to Choose. v 4.00 L at a pressure of 620 mmHg?

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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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

A balloon originally had a volume of 5.39
Lat 317 K and a pressure of 755 mmHg.
To what temperature ( in K) must the
balloon be cooled to reduce Its volume to
Choose.
4.00 L at a pressure of 620 mmHg?
Consider the following thermochemical
equation:
2 NO 21g)
2NO + Ozla).
AH = -114.1 kJ
If 3.00 x 10 g NO, were produced, then
the amount of heat released (in kJ) would
Choose.
be:
Consider the following
reactions:
+ 302 (a)
2 Wo,
2W,
AH= -1939.40
(a)
kJ/mol
2H2 ()
2H,0 (a)
AH= - 477.84 kJ/mol
Choose.
Use Hess's law to Calculate AH (in
kJ/mol) for the following reaction:
wo,(a) + 3H2 (a)
What is the molar heat of combustion of
methanol CH,OH ( in kJ/mol), If the
combustion of 1.0 g of methanol causes a
temperature rise of 3.68 °C in a bomb
calorimeter that has a heat capacity of
Choose.
6.43 J/°C?
The mole fraction of N, gas in the air is
0.781 at 760 torr, Calculate the partlal
pressure of N, In alr
Choose. v

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