5 Steps to a 5 AP Chemistry
Answers and Explanations There are multiple “correct” ways to do these calculations. Only one calculation is shown for each an ...
E—The balanced chemical equation is: 2 Au 2 O 3 →4 Au +3 O 2 (221 g Au 2 O 3 )(l mol Au 2 O 3 /442 g Au 2 O 3 )(3 mol O 2 /2 m ...
Answers and Explanations a. The percent oxygen (53.3%) is determined by subtracting the carbon and the hydrogen from 100%. For ...
e. The one formula is double the formula of the other. Thus, the smaller molecule dimerizes to produce the larger molecule. You ...
CHAPTER 8 102 KEY IDEA Gases IN THIS CHAPTER Summary:Of the three states of matter—gases, liquids, and solids—gases are probab ...
KEper molecule = 1/2mv^2 KEper mole = 1 atm =760 mm Hg = 760 torr Kinetic Molecular Theory The Kinetic Molecular Theoryattempts ...
It is the speed of a gas particle having the average kinetic energy of the gas particles. Mathematically it can be represented a ...
Gases 105 Vacuum Sealed end Mercury h Air pressure Air pressure Mercury Figure 8.1 The mercury barometer. Pgas h Mercury Figur ...
KEY IDEA Volume–Pressure Relationship: Boyle’s Law Boyle’s lawdescribes the relationship between the volume and the pressure of ...
Pressure–Temperature Relationship: Gay-Lussac’s Law Gay-Lussac’s lawdescribes the relationship between the pressure of a gas and ...
and pressure have changed, so this is really a Gay-Lussac’s law problem. From Gay-Lussac’s law you know that if you increase the ...
We could work this into the combined gas law, but more commonly the amount of gas is related to the other physical properties th ...
Dalton’s Law of Partial Pressures Dalton’s lawsays that in a mixture of gases (A + B + C.. .) the total pressure is simply the s ...
grams of KClO 3 are present. You take the mixture and heat it. The KCIO 3 decomposes according to the equation: 2 KClO 3 (s) →2 ...
where nis the number of moles of gas and bis a different constant for each gas. The larger the gas particles, the more volume th ...
a table of vapor pressure versus temperature. Subtract the value found in this table from the measured pressure (Dalton’s law). ...
Review Questions You have 25 minutes to do the following questions. You may not use a calculator. You may use the periodic tab ...
7.A reaction produces a gaseous mixture of carbon dioxide, carbon monoxide, and water vapor. After one reaction, the mixture was ...
15.A steel tank containing argon gas has additional argon gas pumped into it at constant tempera- ture. Which of the following i ...
C—This question relates to the combined gas law: P 1 V 1 /T 1 = P 2 V 2 /T 2. Since the pressure remains constant, the pressure ...
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