Chemistry for Today: General, Organic, and Biochemistry
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN: 9781305960060
Author: Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher: Cengage Learning
Question
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Chapter 6, Problem 6.46E
Interpretation Introduction

(a)

Interpretation:

The number of moles of argon in a sample of gas is to be calculated.

Concept introduction:

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT

Expert Solution
Check Mark

Answer to Problem 6.46E

The number of moles of argon in a sample of gas is 0.013mol.

Explanation of Solution

The volume of the gas is 400mL.

The temperature of the gas is 90.0°C.

The pressure of gas is 735torr.

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT …(1)

Where,

P is the pressure of the gas.

V is the volume of the gas.

R is the universal gas constant.

n is the number of moles of gas.

T is the temperature of the gas.

Convert 90.0°C to K.

90.0°C=(90.0+273)K=363K

Convert 400mL to L.

400mL=4001000L=0.4L

Convert 735torr to atm.

735torr=735760atm=0.967atm

The value of universal gas constant is 0.082LatmK1mol1.

Substitute the value of pressure, volume, temperature and gas constant in equation (1).

0.967atm×0.4L=n×0.082LatmK1mol1×363Kn=0.3868atmL29.76Latm=0.013mol

Conclusion

The number of moles of argon in a sample of gas is 0.013mol.

Interpretation Introduction

(b)

Interpretation:

The pressure exerted by the hydrogen gas is to be calculated.

Concept introduction:

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT

Expert Solution
Check Mark

Answer to Problem 6.46E

The pressure exerted by the hydrogen gas is 7.64atm.

Explanation of Solution

The volume of the gas is 2.60L.

The temperature of the gas is 50.0°C.

The number of moles of gas is 0.750mol.

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT …(2)

Where,

P is the pressure of the gas.

V is the volume of the gas.

R is the universal gas constant.

n is the number of moles of gas.

T is the temperature of the gas.

Convert 50.0°C to K.

50.0°C=(50.0+273)K=323K

The value of universal gas constant is 0.082LatmK1mol1.

Substitute the value of number of moles, volume, temperature and gas constant in equation (2).

P×2.60L=0.750mol×0.082LatmK1mol1×323KP=19.86Latm2.60L=7.64atm

Conclusion

The pressure exerted by the hydrogen gas is 7.64atm.

Interpretation Introduction

(c)

Interpretation:

The volume of a tank of nitrogen is to be calculated.

Concept introduction:

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT

Expert Solution
Check Mark

Answer to Problem 6.46E

The volume of a tank of nitrogen is 8.34L.

Explanation of Solution

The pressure is 4.32atm.

The temperature is 20.0°C.

The number of moles is 1.50mol.

According to the ideal gas law, the relation between pressure, temperature, volume and number of moles is,

PV=nRT …(3)

Where,

P is the pressure of the gas.

V is the volume of the gas.

R is the universal gas constant.

n is the number of moles of gas.

T is the temperature of the gas.

Convert 20.0°C to K.

20.0°C=(20.0+273)K=293K

The value of universal gas constant is 0.082LatmK1mol1.

Substitute the value of number of moles, pressure, temperature and gas constant in equation (3).

4.32atm×V=1.50mol×0.082LatmK1mol1×293KV=36.04atmL4.32atm=8.34L

Conclusion

The volume of a tank of nitrogen is 8.34L.

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Chapter 6 Solutions

Chemistry for Today: General, Organic, and Biochemistry

Ch. 6 - Prob. 6.11ECh. 6 - Prob. 6.12ECh. 6 - Explain each of the following observations using...Ch. 6 - Prob. 6.14ECh. 6 - The following statements are best associated with...Ch. 6 - Prob. 6.16ECh. 6 - Prob. 6.17ECh. 6 - Prob. 6.18ECh. 6 - Prob. 6.19ECh. 6 - Prob. 6.20ECh. 6 - Prob. 6.21ECh. 6 - Convert each of the following temperatures from...Ch. 6 - Prob. 6.23ECh. 6 - Prob. 6.24ECh. 6 - A 200.mL sample of oxygen gas is collected at...Ch. 6 - A 200.mL sample of nitrogen gas is collected at...Ch. 6 - Prob. 6.27ECh. 6 - Prob. 6.28ECh. 6 - What volume in liters of air measured at 1.00atm...Ch. 6 - What volume in liters of air measured at 1.00atm...Ch. 6 - Prob. 6.31ECh. 6 - Prob. 6.32ECh. 6 - Prob. 6.33ECh. 6 - Prob. 6.34ECh. 6 - A sample of gas has a volume of 375mL at 27C. The...Ch. 6 - What volume of gas in liters at 120.C must be...Ch. 6 - Prob. 6.37ECh. 6 - Prob. 6.38ECh. 6 - Prob. 6.39ECh. 6 - A helium balloon was partially filled with...Ch. 6 - You have a 1.50-L balloon full of air at 30.C. To...Ch. 6 - Prob. 6.42ECh. 6 - What minimum pressure would a 250.-mL aerosol can...Ch. 6 - Prob. 6.44ECh. 6 - Prob. 6.45ECh. 6 - Prob. 6.46ECh. 6 - Prob. 6.47ECh. 6 - Prob. 6.48ECh. 6 - Prob. 6.49ECh. 6 - The pressure gauge of a steel cylinder of methane...Ch. 6 - Suppose 12.0g of dry ice (solidCO2) was placed in...Ch. 6 - Prob. 6.52ECh. 6 - Prob. 6.53ECh. 6 - A sample of gaseous methyl ether has a mass of...Ch. 6 - A sample of gaseous nitrogen oxide is found to...Ch. 6 - A sample of gas weighs 0.176g and has a volume of...Ch. 6 - Prob. 6.57ECh. 6 - Prob. 6.58ECh. 6 - Prob. 6.59ECh. 6 - Prob. 6.60ECh. 6 - Prob. 6.61ECh. 6 - Prob. 6.62ECh. 6 - Prob. 6.63ECh. 6 - Classify each of the following processes as...Ch. 6 - Classify each of the following processes as...Ch. 6 - Prob. 6.66ECh. 6 - Prob. 6.67ECh. 6 - Prob. 6.68ECh. 6 - Prob. 6.69ECh. 6 - Prob. 6.70ECh. 6 - Prob. 6.71ECh. 6 - Prob. 6.72ECh. 6 - Prob. 6.73ECh. 6 - Prob. 6.74ECh. 6 - Prob. 6.75ECh. 6 - Using the specific heat data of Table 6.8,...Ch. 6 - Using the specific heat data of Table 6.8,...Ch. 6 - Prob. 6.78ECh. 6 - Prob. 6.79ECh. 6 - Liquid Freon (CCl2F2) is used as a refrigerant. It...Ch. 6 - Prob. 6.81ECh. 6 - What is the density of argon gas in g/mL at STP?Ch. 6 - Prob. 6.83ECh. 6 - Prob. 6.84ECh. 6 - Prob. 6.85ECh. 6 - Prob. 6.86ECh. 6 - Prob. 6.87ECh. 6 - Prob. 6.88ECh. 6 - Prob. 6.89ECh. 6 - Prob. 6.90ECh. 6 - Prob. 6.91ECh. 6 - Prob. 6.92ECh. 6 - Refer to Figure 6.12 and answer the question....Ch. 6 - Prob. 6.94ECh. 6 - Prob. 6.95ECh. 6 - Definite shape and definite volume best describes...Ch. 6 - Prob. 6.97ECh. 6 - Prob. 6.98ECh. 6 - Prob. 6.99ECh. 6 - Which of the following indicates the relative...Ch. 6 - Prob. 6.101ECh. 6 - Prob. 6.102ECh. 6 - What are the differentiating factors between...Ch. 6 - Prob. 6.104ECh. 6 - Prob. 6.105ECh. 6 - When a vapor condenses into a liquid: a.it absorbs...Ch. 6 - Prob. 6.107ECh. 6 - Prob. 6.108ECh. 6 - Prob. 6.109ECh. 6 - Prob. 6.110ECh. 6 - Prob. 6.111ECh. 6 - Prob. 6.112ECh. 6 - How much heat is required to raise the temperature...Ch. 6 - Prob. 6.115ECh. 6 - Prob. 6.116ECh. 6 - Prob. 6.117ECh. 6 - Prob. 6.118ECh. 6 - Prob. 6.119ECh. 6 - Prob. 6.120ECh. 6 - Prob. 6.121ECh. 6 - Prob. 6.122ECh. 6 - Prob. 6.123ECh. 6 - Prob. 6.124ECh. 6 - Prob. 6.125E
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