Elemental Chemistry Final Exam - Part 2 Question Preview (ID: 42848)
Elemental Chemistry Final Exam - Part 2.
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What is Boyle’s Gas Law?
a) At constant pressure, the volume of gas is directly proportional to the temperature.
b) If a change is made to a reaction in equilibrium, the reaction will adjust itself to counter the effects of that change
c) In a chemical reaction, the mass of the products is equal to the mass of the reactants.
d) At constant temperature, the volume of a gas is inversely proportional to the pressure.
What is Charles’ Gas Law?
a) At constant pressure, the volume of gas is directly proportional to the temperature.
b) If a change is made to a reaction in equilibrium, the reaction will adjust itself to counter the effects of that change
c) In a chemical reaction, the mass of the products is equal to the mass of the reactants.
d) At constant temperature, the volume of a gas is inversely proportional to the pressure.
What is the Law of Conservation of Mass?
a) At constant pressure, the volume of gas is directly proportional to the temperature.
b) If a change is made to a reaction in equilibrium, the reaction will adjust itself to counter the effects of that change
c) In a chemical reaction, the mass of the products is equal to the mass of the reactants.
d) At constant temperature, the volume of a gas is inversely proportional to the pressure.
What does Le Chatelier’s Principle say?
a) At constant pressure, the volume of gas is directly proportional to the temperature.
b) If a change is made to a reaction in equilibrium, the reaction will adjust itself to counter the effects of that change
c) In a chemical reaction, the mass of the products is equal to the mass of the reactants.
d) At constant temperature, the volume of a gas is inversely proportional to the pressure.
What is Avogadro’s number?
a) 1.602176634 × 10 to the 23rd power
b) 3.1415 x 10 to the 23rd power
c) 6.02 x 10 to the 23rd power
d) 9.109 x 10 to the 23rd power
What is the Law of Constant Composition?
a) When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be directly related.
b) A pure compound always contains the same elements in the same proportions.
c) The pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases.
d) None of the above
Redox reaction
a) A reaction that primarily involves the transfer of electrons between two substances.
b) A substance which speeds up a chemical reaction without being changed by the reaction.
c) A substance made up of one type of atom, which cannot be broken down by chemical reaction to form a simpler substance.
d) A chemical reaction in which a sugar is broken down by microbes into alcohol and carbon dioxide.
Kinetic Theory
a) A substance made up of two or more different elements that are chemically joined in fixed proportions.
b) The theory that states that as the temperature rises, particles move faster and therefore take up more space.
c) T. A catalyst used by living things to increase the speed of a natural chemical process.
d)
Valency tells us how many bonds a particular atom wants to make.
a) True
b) False
c)
d)
Chemical bonding always involves the innermost electrons of an atom.
a) True
b) False
c)
d)
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