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All of the following properties of a liquid increase with an increase in strengt

ID: 478733 • Letter: A

Question

All of the following properties of a liquid increase with an increase in strength of intermolecular forces with the exception of boiling point enthalpy of vaporization viscosity vapor pressure all of them increase. The rate of disappearance of N_2O_5 (g) at a certain temperature is 0.016 mol L^- 1min^-1. What is the rate of formation of NO_2 (g) in mol L^-1min^-1 at the same temperature? 2N_2O_5 (g) rightarrow 4 NO_2 (g) +O_2 (g) 0.0080 0.016 0, 024 0.064 0.032 3. A reaction has a rate law of Rate = k[A]^2[B]. Which of the following statements is most probably true? Doubling the concentration of A will double the rate of the reaction. Tripling [A] will affect the rate twice as much as tripling [B]. The reaction mechanism involves the formation of B2 at some stage. Tripling [B] will affect the rate twice as much as tripling Al lf the disappearance of the spheres in this diagram is a first order reaction, how much time is required to go from the second box to the third box? 2 min 8 min t 4 min 1 min 6 min

Explanation / Answer

Q1-

if we increase the intermolecular forces then..

a, boiling point increases, since it will require mor energy to break those bnds

b, the enthalpy typically increases as well, since

c, the viscosity will increase, since the interaction between species are stonger, therefore, the will not flow readily

d, vapor pressure is "how easy" the liquid will turn to vapor, therefore, as it is stronger, i.e. higher BP, then expect a drop in vapor pressure... i.e. it is harder to vaprize it, therefore it must have a prety low vlaue of VP

e. can't be since D is the answer

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