IF₅

Polar Bonds

1. Yes
2. No

Dipole Moment

1. Yes
2. No

TeBr₄

Polar Bonds

1. Yes
2. No

Dipole Moment

1. Yes
2. No

NH₂⁻

Polar Bonds

1. Yes
2. No

Dipole Moment

1. Yes
2. No

PBr₃

Polar Bonds

1. Yes
2. No

Dipole Moment

1. Yes
2. No

IO₂⁻

Polar Bonds

1. Yes
2. No

Dipole Moment

1. Yes
2. No

The following reactions are important ones in catalytic converters in automobiles. Calculate ΔG∘ for each at 298 K. Predict the effect of increasing temperature on the magnitude of ΔG∘.

A. 2CO(g)+2NO(g)→N2(g)+2CO2(g)

B. 5H2(g)+2NO(g)→2NH3(g)+2H2O(g)

C. 5H2(g)+2NO(g)→2NH3(g)+2H2O(g)

D. 2H2(g)+2NO(g)→N2(g)+2H2O(g)

E. 2NH3(g)+2O2(g)→N2O(g)+3H2O(g)

Given the following atomic weights, that the density of acetic acid is 1.05, and that 5.3 g of isoamyl alcohol, 7.6 mL of acetic acid, and 0.5 mL of sulfuric acid make 3.8 g of isoamyl acetate, what is the % yield of isoamyl acetate from its limiting reagent? Give at least two significant figures. C = 12, H = 1, O =16

Derive Clapeyron equation and Clausius modification for liquid-vapor equilibrium conditions.

When 22.0 mL of a 3.68×10-4 M silver nitrate solution is combined with 25.0 mL of a 1.80×10-5 M sodium sulfate solution does a precipitate form? (yes or no)

For these conditions the Reaction Quotient, Q, is equal to ____?

A 30.0-mL sample of 0.165 M propanoic acid is titrated with 0.300 MKOH.

A.)Calculate the pH at 0 mL of added base.

B.)Calculate the pH at 5 mL of added base.

C.)Calculate the pH at 10 mL of added base.

D.)Calculate the pH at the equivalence point.

E.)Calculate the pH at one-half of the equivalence point.

F.)Calculate the pH at 20 mL of added base.

G.)Calculate the pH at 25 mL of added base.

Consider the following reaction between sulfur trioxide and water:

SO3(g)+H2O(l)=H2SO4(aq)

A chemist allows 61.5 g fo SO3 and 11.2 g of H2O to react. When the reaction is finished, the chemist collects 51.0g of H2SO4.

1) Determine the theoretical yield for the reaction.

2) Determine the percent yield for the reaction.

Which of the following descriptions and/or equations best represents the enthalpy change of a system? There may be more than one correct answer. A. The heat absorbed or released during a phase change or chemical reaction at constant pressure B. The work done on or by a phase change or chemical reaction at constant pressure C. deltaH = deltaE + PdeltaV D. deltaE = q + w E. H= E + PV F. The heat sborbed or released during a phase change or chemical reaction at constant volume G. The amount of energy required to raise the temperature of 1 mole of a substance by 1 degree C at constant pressure H. The sum of the internal energy and the pressure-volume product of a system

why are Co2+ complexes labile with respect to ligand exchange while Co3+ complexes are relatively inert?

1) Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the reaction

NH4HS(s)⇌NH3(g)+H2S(g)

This reaction has a K value of 0.120 at 25 ∘C.

an empty 5.00-L flask is charged with 0.400 g of pure H2S(g), at 25 ∘C.

What is the initial pressure of H2S(g) in the flask?

The formation constant* of [M(CN)2]– is 5.30 × 1018, where M is a generic metal.

A 0.160-mole quantity of M(NO3) is added to a liter of 0.720 M NaCN solution. What is the concentration of M ions at equilibrium?

Glycogen is the body’s storage form of glucose. When glycogen is degraded, glucose 1-P is formed. Glucose 1-P can then be isomerized to glucose 6-P. Starting with glucose 1-P and ending with two molecules of pyruvate, what is the net yield of glycolysis in terms of ATP and NADH formed?

The formation of a dipeptide is the first step toward the synthesis of a

protein molecule. Consider the following reaction:

glycine (aq) + glycine (aq) à glycylglycine (aq) + H2O (l)

Given that the standard formation free energies for glycylglycine (aq), glycine (aq) and

water are respectively – 487.9 kJ/mol, – 315.9 kJ/mol and – 237.13 kJ/mol, calculate

DRGo’ and the equilibrium constant at 298 K, keeping in mind that the reaction is carried

out in an aqueous buffer solution. Assume that the value is essentially the same at 310K.

What conclusion can you draw from your result?

Give two reasons why the Co3+ substitution mechanism is dissociative/ID instead of associative/IA