How much heat in kilojoules is required to (a) melt and (b) boil 1.50 mol ofisopropanol (rubbing alcohol; molar mass = 60.0 g/mol)? The heat of fusion and heat of vaporization of isopropanol are given in Table 8.5.

What quantity of heat (in kJ) would be required to convert 21.0 g of ice to water at 0.00 °C? (AHfus = 6.01 kJ/mol for water)

Compound y has a heat of fusion of 361 J/g. The solid form has a specific heat capacity of 0.353 J/gºC and the liquid form has a specific heat capacity of 2.31 J/gºC. The freezing point of compound y is -15.6ºC. How much energy will it take to convert a 330.4 g solid sample of y at -33.3ºC to a sample at 43.6ºC? Give your answer in kJ, make sure it is rounded to the correct number of sig figs.

What amount of heat energy (in Joules) is needed to completely melt 5.4 grams of sucrose (C12H22O11) that is at 37°C?

The heat of vaporization of water is 40.66 kJ/mol. How much heat is absorbed when 3.17 g3.17 g of water boils at atmospheric pressure?

Specific heat of H,O(s) 2.087 J/(g · °C) Specific heat of H,O(1) |4.184 J/ (g · °C) Heat of fusion for H,O A total of 865 cal of heat is added to 5.00 g of ice at -20.0 °C. 333.6 J/g What is the final temperature of the water? °C Tinal

A liquid at 15.0 °C exhibits a vapor pressure of 0.735 atm. When heated to 30.0 ° C, the vapor pressure is 0.950 atm. What is the heat of vaporization (in kJ mol–1 to two decimal places) of the liquid?

Chloroform, CHCl3 is a volatile liquid and has a boiling point of 61.7 ° C and has a heat of vaporization of 31.4 kJ/mol. What is the vapor pressure of chloroform at 37.2 °C?

How much energy (heat) is required to convert 31.3 g of H2O() at 36.2°C to H2O(g) at 108.6°C? specific heat of ice: 2.09 J/g. C specific heat of water: 4.184 J/g.°C AHfus 6.02 kJ/mol AHvap 40.7 kJ/mol specific heat of steam: 1.84 J/gC Answer = kJ Question 8 Compound A undergoes a reaction with B to proluce C gas and liquid D. The standard heat of combustion of compound A is -1,340.2 kJ/mol. Given that AH (B(g)) - -189.2 kJ/molAH"(C(g)] - 418.4 kJ/mol, AH(C(g)]--418.4 kJ/mol, and AH(D) -258.3 kJ/mol, what is the standard enthalpy of formation of Compound A? A+3 B(g) --> 2 C(g) +3 D) Answer KJ/mol