Calculate the amount of heat in kilojoules released

Reference no: EM13687197

Problem- Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 degrees Celsius are converted to 50 grams of ice at -125 degrees Celsius.

Specific heat capacities are-

Ice: 2.03 J/g C

Liquid: 4.2 J/g C

Steam: 2.0 J/g C

Delta H vap is 40.7 kJ/mol

Delta H fusion is 6.02 kJ/mol

Provide complete steps included in calculation

Reference no: EM13687197

Questions Cloud

Calculate kc and kp for the reaction 2brcl : Problem- Calculate Kc and Kp for the reaction 2BrCl -gives Br2+ Cl2.All in gas phases. If at 500K, the equilibrium concentrations of BrCl, Br2, and Cl2 are .131, 3.51 and .156M respectively

Problem draw the structure of the product : Problem Draw the structure of the product that is formed when the Alkenes- Oxidative Cleavage of cyclohexene is treated with the following reagents-

Calculate n2 solubility in blood as a function of water : Problem- Assume that blood is mostly water. The Henry's law constant for N2 in water at 300 K is 86,000 atm. The hydrostatic pressure acting on a diver is 1 atm at the surface, and increases by approximately 1 atm for every 33 ft of depth.

Complex ion formation constants (kf) for guidance : Problem- Construct a possible flow diagram below for the separation scheme for a solution containing Ag+, Ni^2+, and Zn2+. You may use HCL, NaOH, and Na2CO3 as reagents. Use the solubility rules and the tables of solubility product constants (Ksp)..

Calculate the amount of heat in kilojoules released : Problem- Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 degrees Celsius are converted to 50 grams of ice at -125 degrees Celsius.

Explain how much heat is released when 4.5 grams : Question- When nitroglycerine, C3H5(NO3)3, explodes, it produces nitrogen, oxygen, water and carbon dioxide. If the heat of the reaction is -5692 kJ/mol,

What would be the consequence of failing : Question- What would be the consequence of failing to make the aqueous solution basic prior to extracting the 2, 6-dimethylaniline into ether for the synthesis of lidocaine

Explain the aqueous solution basic prior to extracting : Question- The aqueous solution basic prior to extracting the 2, 6-dimethylaniline into ether for the synthesis of lidocaine?

Explain what would happen to your ph readings : Question- What would happen to your pH readings if you had not carefully rinsed the electrode and blotted it dry between samples. Write the complete answer for above question

User Account

All Pages