Arrhenius performed experiments that correlated chemical reaction rate constants with

• A) Comcentration
• B) Volume
• C) Pressure
• D) Temperature

The pseudo first order reaction involves treating a _________reaction like a first order reaction

• A) second order
• B) zero order
• C) none of these
• D) third order

Formation of double stranded DNA from two complementary strands is ______order reaction.

• A) second
• B) third
• C) zero
• D) first

Half life of second order reactions depends on the _________and the rate constant.

• A) product formed
• B) time consumed
• C) initial concentration
• D) none of these

Which statement accurately describes the graphical representation of a zero-order reaction?

• A) Exponential decrease of concentration with time
• B) Parabolic decrease of concentration with time
• C) Linear decrease of concentration with time
• D) Concentration remains constant with time

The concepts of half life plays a key role in the administration of

• A) Enzymes
• B) Food
• C) Drugs
• D) Pesticides

When the reaction is at equilibrium ΔG?

• A) ΔG>1
• B) ΔG>0.
• C) ΔG<0
• D) ΔG=0.

In zero order reaction the rate of the reaction is equal to ________of that reaction.

• A) rate constant
• B) concentration
• C) rate law
• D) exponents of concentration terms

Pseudo-first-order kinetics are commonly observed in reactions where:

• A) One reactant concentration is significantly higher than the other
• B) Reactants have different orders
• C) Both reactants are present in equal amounts
• D) The rate constant is zero

In third order reaction the minimum number of molecules necessary for the reaction to take place is

• A) Four
• B) One
• C) Two
• D) Three

In _________reactions/kinetics, the rate of a reaction does not depend on the substrate

• A) pseudo first order
• B) zero order
• C) second order
• D) third order

The rates of the ________ do not vary with increasing nor decreasing reactants concentrations

• A) First order reactions
• B) Zero order reactions
• C) Third order reactions
• D) Second order reactions

1 ppt is 1000-fold more dilute than 1 ppb and ___________ more dilute than 1 ppm.

• A) 10-fold
• B) 1000-fold
• C) 10000000-fold
• D) 1000000-fold

_______is a liquid or solid with liquids dispersed through them.

• A) Foam
• B) Emulsion
• C) Gel
• D) Aerosol

The boiling points of solutions are all higher than that of the _______?

• A) pure solute
• B) none of these
• C) pure solvent
• D) solute & solvent

What is the primary characteristic of ionic solutions?

• A) They do not conduct electricity
• B) They contain ions
• C) They consist of covalent bonds
• D) They are always gases

What does the enthalpy of solution measure?

• A) The heat released when a solution is formed
• B) The total energy change during a chemical reaction
• C) The boiling point of a solution
• D) The amount of solute dissolved in a solution

The general form of __________ describes the force of attraction between charges: F = kq1mq2 / r2

• A) Coulomb's law
• B) Henry's law
• C) Raoult's law
• D) Hess's law

Which of the following factors influences the enthalpy of solution the most?

• A) Solution volume
• B) Solute particle size
• C) Solvent polarity
• D) Solute-solvent interactions

Adding solutes to an ideal solution results in a ___________ entropy.

• A) zero
• B) negative
• C) constant
• D) positive