Homework Answers
Please Help!!!! QUESTION 16 A 1.00 kg block of ice (specific heat 0.500 cal/g deg C)...
Please Help!!!!
QUESTION 16 A 1.00 kg block of ice (specific heat 0.500 cal/g deg C) is removed from the freezer where it was kept at -13.2 degrees Celsius. How much heat energy (in cal) has it absorbed when its temperature is -5 degrees Celsius? QUESTION 17 How much heat energy (in cal) is required to heat the block from the previous problem from -5 deg Celsius to 0 deg Celsius?
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C...
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C to change it to water at 14 degree C? The specific heat of ice is 2050)/kg middot C degree. the specific heat of water is 4186 J/kg middot C degree, the latent heat of fusion of ice is 334,000 J/kg. and 1 cal = 4.186 J. A) 140 kcal B) 780 kcal C)730kcal D)810kcal E) 180 kcal
5) Show that Q total in cal is needed to change 50 g of 0 ̊C...
5) Show that Q total in cal is needed to change 50 g of 0 ̊C ice to steam at 100 ̊C. (a) Show that Q in cal, Quantity of heat is needed to increase the temperature of 50 g water from 0 ̊C to 100 ̊C. The specific heat capacity for water is 1 cal/g•̊C. (b) Show that Q in cal, Heat of fusion is needed to melt 50 g of 0 ̊C ice. The heat of fusion Lffor...
How many calories are required to heat 93.6 g of methanol from - 35 degree Celsius...
How many calories are required to heat 93.6 g of methanol from - 35 degree Celsius to 55 degree Celsius?
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...
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
Water's heat of fusion is 80. cal/g , its specific heat is 1.0calg⋅∘C, and its heat...
Water's heat of fusion is 80. cal/g , its specific heat is 1.0calg⋅∘C, and its heat of vaporization is 540 cal/g . A canister is filled with 340 g of ice and 100. g of liquid water, both at 0 ∘C . The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed? Express your answer to two significant figures and include the appropriate units....
10.g of a certain metal absorb 40. cal of heat and the temperature is abserved to...
10.g of a certain metal absorb 40. cal of heat and the temperature is abserved to rise from 20 *C .The specific heat of this metal is _ cal/g *C 100.cal of heat are addad to 10 g of ethanol( 0.581 cal/g *C) origginally at * C. The final temprature is_ How many joules of heat are reguired to raise the temperature of 35 ml of water from 25 *C to 100 *C? still waiting for anwers
The specific heat of a certain type of cooking oil is 0.418 cal/(g·°C). How much heat...
The specific heat of a certain type of cooking oil is 0.418 cal/(g·°C). How much heat energy is needed to raise the temperature of 1.069 kg of this oil from 23.0 °C to 60.0 °C?
The specific heat of a certain type of cooking oil is 1.75 cal/g °C). How much...
The specific heat of a certain type of cooking oil is 1.75 cal/g °C). How much heat energy is needed to raise the temperature of 2.54 kg of this oil from 23 °C to 191 °C? heat =
The specific heat of a certain type of cooking oil is 0.418 cal/g °C). How much...
The specific heat of a certain type of cooking oil is 0.418 cal/g °C). How much heat energy is needed to raise the temperature of 1.152 kg of this oil from 23.0 °C to 60.0 °C?
Please Help!!!!
QUESTION 16 A 1.00 kg block of ice (specific heat 0.500 cal/g deg C) is removed from the freezer where it was kept at -13.2 degrees Celsius. How much heat energy (in cal) has it absorbed when its temperature is -5 degrees Celsius? QUESTION 17 How much heat energy (in cal) is required to heat the block from the previous problem from -5 deg Celsius to 0 deg Celsius?
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C to change it to water at 14 degree C? The specific heat of ice is 2050)/kg middot C degree. the specific heat of water is 4186 J/kg middot C degree, the latent heat of fusion of ice is 334,000 J/kg. and 1 cal = 4.186 J. A) 140 kcal B) 780 kcal C)730kcal D)810kcal E) 180 kcal
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
The specific heat of a certain type of cooking oil is 1.75 cal/g °C). How much heat energy is needed to raise the temperature of 2.54 kg of this oil from 23 °C to 191 °C? heat =
The specific heat of a certain type of cooking oil is 0.418 cal/g °C). How much heat energy is needed to raise the temperature of 1.152 kg of this oil from 23.0 °C to 60.0 °C?
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