Which of the following is the best description of a system at equilibrium? KYA. The forward and reverse reactions have already stopped. MOH. The reactant and product concentrations remain constant with time. YAN. The product concentrations are larger than the reactant concentrations. BEH. The rates of the forward and backward reaction in a reversible reaction not are equal. If the reaction quotient Q has a SMALLER value than the related equilibrium constant, Keq, . LAH. the reaction is at equilibrium. BAN. the value of K will decrease until it is equal to Q. TYO. the reaction is not at equilibrium, and will make more products at the expense of reactants. SIS. the reaction is not at equilibrium, and will make more reactants at the expense of products. In the definition of acids and bases, which of the following statement/s is/are FALSE? An Arrhenius acid yields proton in aqueous solution. A Bronsted-Lowry base is a proton A Lewis acid is an electron pair MRY. I only XMS. II only NEW. III only YER. II and III Considering the equilibrium below, which of the following is/are TRUE? CH3OH + HNO2 = CH3OH2+ + NO2- CH3OH is a base NO2 is a conjugate acid IAM. I only SXY. II only AND. I and II IKI. Neither I nor II Which of the following statements is/are ALWAYS TRUE? A higher Ksp value equates to a higher solubility regardless of the salt type When Qsp = Ksp, the system is at equilibrium CHM. I only EQU. II only LIB. I and II RIA. Neither I nor II
Which of the following is the best description of a system at equilibrium?
KYA. The forward and reverse reactions have already stopped.
MOH. The reactant and product concentrations remain constant with time.
YAN. The product concentrations are larger than the reactant concentrations.
BEH. The rates of the forward and backward reaction in a reversible reaction not are equal.
If the reaction quotient Q has a SMALLER value than the related equilibrium constant, Keq,
.
LAH. the reaction is at equilibrium.
BAN. the value of K will decrease until it is equal to Q.
TYO. the reaction is not at equilibrium, and will make more products at the expense of reactants.
SIS. the reaction is not at equilibrium, and will make more reactants at the expense of products.
In the definition of acids and bases, which of the following statement/s is/are FALSE?
- An
Arrhenius acid yields proton in aqueous solution. - A Bronsted-Lowry base is a proton
- A Lewis acid is an electron pair
MRY. I only XMS. II only NEW. III only YER. II and III
Considering the equilibrium below, which of the following is/are TRUE?
CH3OH + HNO2 = CH3OH2+ + NO2-
- CH3OH is a base
- NO2 is a conjugate acid
IAM. I only SXY. II only AND. I and II IKI. Neither I nor II
Which of the following statements is/are ALWAYS TRUE?
- A higher Ksp value equates to a higher solubility regardless of the salt type
- When Qsp = Ksp, the system is at equilibrium
CHM. I only EQU. II only LIB. I and II RIA. Neither I nor II
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