Calculate the heat released when 25.0 g of water at 0 degree C crystallizes to ice...
How much heat must be removed from 456 g of water at 25.0 degree C to change it into ice at -10.0 degree C? The specific heat of ice is 2090 J/kg K. the latent heat of fusion of water is 33.5 times 10^4 J/Kg, and the specific heat of water is 4186 J/kg K.
How do I solve the following questions (Step by Step) (1). Calculate the heat required to convert 10.0 g of ice at 0.0 °C to steam at 100.0 °C. The specific heat of water is 1.00 cal/(g x °C); the heat of fusion is 80.0 cal/g; and the heat of vaporization is 540.0 cal/g. (2). What is the molar mass of trinitrotoluene (TNT), C7H5N3O6 (3). What is the percentage of water in NiCl2 2H2O? (4). Shapes of the following molecules...
How many calories are needed to convert 125 grams of water at 75.0 C to steam at 100.0 C? [Specific heats: ice = 0.495, water = 1.00 steam = 0.478 cal/g C] [water's heat of fusion = 80.0 cal/gram, water's heat of vaporization - 540.0 cal/gram] 3125 cal 3330 cal 6875 cal 13,125 cal 70,625 cal
Two 20.0-g ice cubes at –10.0 °C are placed into 255 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. heat capacity of water s = 37.7 heat capacity of water q =75.3 fusion = 6.01
Two 20.0g ice cubes at -12.0^degree C are placed into 285g of water at 25.0^degree C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. heat capacity of H2O(s) is 37.7 J/mol*K heat capacity of H2O(l) is 75.3 J/mol*K enthalpy of fusion of H20 is 6.01 kJ/mol
The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 80.0°C is __________ kJ. The specific heats of ice, water, and steam are 2.09 J/g·K , 4.184 J/g·K , and 1.84 J/g·K respectively. For H2O, ΔHfus = 6.01 kJ/mol, and ΔHvap =40.67 kJ/mol
How much heat is released when 15g of ice is heated from -12 °C to water vapor at 105 °C? (AH fus = 79.5 cal/g, AH vap = 539 cal/g) Substance Specific Heat (cal/g °C) 1.00 Water (liquid) Water (gas) Water (solid) 0.497 0.490
Please Help!!!! QUESTION 19 1.3 kg of ice at 0 deg C is dropped into a cooler containing 14 kg of water at 1 7 deg C. Given a latent heat of fusion of water/ice of 79.7 cal/g and a specific heat of water of 1.00 cal/g deg C, what is the final temperature of the mixture (in deg。? QUESTION 20 In a similar situation to the previous problem, what is the smallest mass of ice (in kg) at 0...
Two 20.0-g ice cubes at -10.0 degree C are placed into 205 g of water at 25.0 degree C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.