Explain how much heat would be generated

Reference no: EM13673164

Calcium chloride is commonly utilized in first aid "hot packs". The lattice energy of calcium chloride is 2223.4 kj/m. The energy of solution is -2304.7 kJ/mol. Explain how much heat would be generated in a hot pack from the dissolution of 100.0 g. of calcium chloride in water?

Reference no: EM13673164

Questions Cloud

Explain how to do this problem a gas sample has a volume : Explain how to do this problem a gas sample has a volume of 500 ml at 20 degree Celsius. Define at what temperature would the gas have a volume half as large

Find out the normal boiling point in celsius of pure acetic : Find out the normal boiling point in Celsius of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25 degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.

Explain what minimum energy is required to excite vibration : Where n is the quantum number with possible values of 1, 2.... as well as v is the frequency of vibration. The vibration frequency of HCL is approximately 8.85 *1013s-1. Explain what minimum energy is required to excite a vibration in HCL

Explain what is the ph of this solution : A solution is prepared by diluting 0.16 mol HNO3 with water to a volume of 1.5 L. Explain what is the pH of this solution

Explain how much heat would be generated : Calcium chloride is commonly utilized in first aid "hot packs". The lattice energy of calcium chloride is 2223.4 kj/m. The energy of solution is -2304.7 kJ/mol. Explain how much heat would be generated in a hot pack from the dissolution of 100.0 g..

Explain the decomposition of 231 grams of calcium carbonate : The thermal decomposition of calcium carbonate produces two by-products, calcium oxide as well as carbon dioxide. Compute the volume of carbon dioxide produced at STP from the decomposition of 231 grams of calcium carbonate.

Find out the normal boiling point of pure acetic acid : Find out the normal boiling point (in Celsius) of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.

State the equations for the reactions involved : While 111g of 2-methyl-2-propanol was heated with phosphoric acid, a colorless gas evolved. This gas was passed through a CCl4 solution containing 0.16 g Br2 per mL solution. Exactly 1.0 L ofthe solution was discolored by the gas generated in ther..

Find out the molar mass and molecular formula of the gas : If A gas consisting of only Carbon and Hydrogen has an empirical formula of CH2. The gas has a density of 1.65g/L at 27 degrees Celsius and 734 torr. Find out the molar mass and molecular formula of the gas

User Account

All Pages