The following information may be helpful for the next question:  Kb (alcohol)= 1.53 oC/m Boiling Point Alcohol= 79.5  oC  

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Which of the following will result in an increase in entropy? Dissolving sugar in water. Freezing of liquid water to solid ice Raising the temperature of a gas from 45.0 0C to 95.0 0C.

The standard enthalpy change (Hrxn) for the reaction below was measured to be 635 kJ. If the standard enthalpy of formation of SnI4 is 589 kJ mol-1 determine the standard enthalpy of formation of HI.   SnI4(l) + 2H2(g) → Sn(s) + 4Hl(g)

What is the pH of 0.35 M hydrofluoric acid at 25 oC?

A 1.0 L buffer is composed of 0.225 M of formic acid (HCOOH) and 0.175 M potassium formate (KCOOH). What is the pH after the addition of 20.0 mL of 0.95 M HBr to the solution?

What is the experimental rate law for the reaction shown below given the empirical data. Experiment [A2] (M) [Z2] (M) Initial Rate (M/s) 1 0.075 0.025 1.05 2 0.075 0.050 2.10 3 0.150 0.025 1.05

Determine which of the following statements is/are true when the following salts are added to water. FeBr3 will increase the pH of the solution. CaF2 will decrease the pH of the solution. NaClO4 will not affect the pH of the solution.

Which of the following statements is/are true about the hypothetical redox reaction below after balancing it under the acidic condition? EO₄⁻ + L⁺ → E²⁺ + L³⁺ There are 16 H+ on the product side The reaction involves the transfer of 10 electrons. There are 4 H2O on the reactant

The standard enthalpy change (Horxn) for the reaction below was measured to be 689.0 kJ. If the standard enthalpy of formation of GeBr4 is 582.0 kJ mol-1 determine the standard enthalpy of formation of HBr. GeBr4(l) + 2H2(g) → Ge(s) + 4HBr(g)