General Chemistry II Final Exam (ACS) UVU with correct answers 100%

If the pressure of a gas is increased at constant temperature, the volume ___. - Correct Answer
Decreases



If the pressure of a gas is decreased at constant temperature, the volume ___. - Correct Answer
Increases



If the volume of a gas is decreased at constant pressure, the temperature ___. - Correct Answer
Decreases



P ? T ? V ? - Correct Answer Pressure does the opposite of volume.



Which of the following is not characteristic of the particles of an ideal gas? - Correct Answer They
occupy space



In an ideal gas, most of the molecules have identical speeds. - Correct Answer False



In an ideal gas, most of the molecules have different speeds. - Correct Answer True



In the van der Waals equation for real gases, which terms are corrected? - Correct Answer P&V



If four gases (N2,O2,He, & Ar) are present in a flask with partial pressures of .25 atm, .75 atm, .25 atm, &
1.00 atm, the total pressure is? - Correct Answer .25 + .75 + .25 + 1.00 = 2.25 atm



For the reaction N2O5(g) > 2NO2(g) + 1/2O2(g) the rate is given by: - -


reactants are (-)

products are (+)

,For the reaction 2A + B + 3C > D + 2E the rate of formation of D is equal to k[A]^1[B]^2[C]^0. Doubling
the concentration of A causes the rate to ___. - Correct Answer Double



For the reaction 2A + B + 3C > D + 2E the rate of formation of D is equal to k[A]^1[B]^2[C]^0. Doubling
the concentration of B causes the rate to ___. - Correct Answer Quadruple



For the reaction 2A + B + 3C > D + 2E the rate of formation of D is equal to k[A]^1[B]^2[C]^0. Doubling
the concentration of C causes the rate to ___. - Correct Answer Stay the same



It was determined that the rate law for some reaction is given by: rate= k[A]^2[B]^1. The order in [B] is -
Correct Answer First



It was determined that the rate law for some reaction is given by: rate= k[A]^2[B]^2. The order in [B] is -
Correct Answer Second



It was determined that the rate law for some reaction is given by: rate= k[A]^2[B]^2. The overall order
will be ___. - Correct Answer Fourth



It was determined that the rate law for some reaction is given by: rate= k[A]^2[B]^1. The overall order
will be ___. - Correct Answer Third



For balanced overall chemical reaction, it is possible to determine the rate law from the stoichiometric
coefficients. - Correct Answer False, it is impossible



For a single elementary reaction, it is impossible to determine the rate law from the stoichiometric
coefficients. - Correct Answer False, it is possible



If Q > K, the reaction ___. - Correct Answer will proceed from right to left



If Q < K, the reaction ___. - Correct Answer will proceed from left to right



If Q = K, the reaction ___. - Correct Answer Has reached equilibrium

, - Correct Answer Not at equilibrium



Which of the following statements best describes the effect of a catalyst on equilibrium? - Correct
Answer A catalyst increases the rate of the forward & reverse reactions equally & does not shift the
position of equilibrium.



HNO3 is best described as ___. - Correct Answer Nitratic Acid- All of the above



Ca(OH02 is best described as ___. - Correct Answer Calcium Hydroxide- All of the above



H2O is best described as ___. - Correct Answer H2O is an acid & base- All of the above



Sr(OH)2 is best described as ___. - Correct Answer Stronitium Hydroxide- All of the above



H2SO4 is best described as ___. - Correct Answer Sulfuric Acid- All of the above



CH4 is best described as ___. - Correct Answer None of the above



BCl3 is best described as ___. - Correct Answer Lewis Acid



H2O is the conjugate acid of which base? - Correct Answer OH-



Which of the following is not a conjugate acid/base pair? - Correct Answer H30+/O2



According to Bronsted-Lowry theory, what is a base? - Correct Answer A base is a proton acceptor



According to Bronsted-Lowry theory, what is a acid? - Correct Answer An acid is a proton donor