A 12.5 gram-walnut is burned under 101 mL of water. How many calories did the water...
A 12.5 gram-walnut is burned under 101 mL of water. How many calories did the water absorb if its temperature went from 22.5 degrees celsius to 95.5 degrees celsius?
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A 12.5 gram-walnut is burned under 101 mL of water. How many
calories did the water...
Need help with chemistry please. A 12.5 gram walnut is burned under 100 ml of water....
Need help with chemistry please.
A 12.5 gram walnut is burned under 100 ml of water. How many calories did the water absorb if its temperature went from 22.5 degree C to 95.5 degree C?
How many calories are required to convert 17g of ice at 0.0 degrees celsius to liquid...
How many calories are required to convert 17g of ice at 0.0 degrees celsius to liquid water at 32.0 degrees celsius. The heat of fusion for water is 80. cal/g
A slice of pizza was burned and all of the heat was transferred to 1000g of...
A slice of pizza was burned and all of the heat was transferred to 1000g of water. How could you calculate the calories generated in the burning? a.) multiply the grams of water and the degrees Celsius of the temperature change b.) subtract the grams of water from the temperature change. c.) add the grams of water to the temperature change. d.) divide the grams of water by the temperature change. e.) divide the temperature change by the mass
a) calculate the temperature change for a 987 gram sample of water that absorbed 6,990 joules...
a) calculate the temperature change for a 987 gram sample of water that absorbed 6,990 joules of heat. is this endo- or exorthermic? b) how many grams of water when absorbing 12,000 calories will heat from 31.2 degrees c to 99.5 degrees c? c) 69.8 grams of aluminum is heated with 3,900 joules of energy. what will be the temperature change? what would the temperature be if the initial temperature was 25.0 degrees c? the c for aluminum is =...
a) how many joules are needed to heat up 325 grams of water from 25.1 degrees c to 43.8 degrees c? how many calories? b)...
a) how many joules are needed to heat up 325 grams of water from 25.1 degrees c to 43.8 degrees c? how many calories? b) how many joules are needed to heat up 325 grams of aluminum from 25.1 degrees c to 89.5 degrees c? how many calories? the c for aluminum is = 0.897 j/g degrees c
Problems 1. To what temperature will 4500 J of work raise 1.0 kg of water initially...
Problems 1. To what temperature will 4500 J of work raise 1.0 kg of water initially at 10 degrees Celsius? 2. How much work (in joules) must a person do to offset eating a 700 Cal piece of cake? 3. A water heater can generate 8300 kcal/hr. How much water can it heat from 12 degrees Celsius to 67 degrees Celsius in 1 hour? 4. An automobile cooling system holds 60 liters of water. How much heat (in kilocalories) does...
4. Determine how many calories of heat are needed to raise the temperature of 250. mL...
4. Determine how many calories of heat are needed to raise the temperature of 250. mL of water from 25°C to 45°C. Specific heat (C) of H2O is 1.00 calorie/g°C. q=C x mass x At. 4 SC -29 250
How many grams of glucose must be dissolved in 300.0 ml of water at 25 degrees...
How many grams of glucose must be dissolved in 300.0 ml of water at 25 degrees celsius to give an osmotic pressure of 9.05atm
It takes 100,000 calories to raise 1 kilogram of water by 100 degree C. How many...
It takes 100,000 calories to raise 1 kilogram of water by 100 degree C. How many calories does it take to raise the temperature of an equal volume of lead by 100 degree C? And how many calories to raise an equal weight of lead by 100 degree C? Explain the difference between a calorie and a Calorie. What units are used to describe the heat (or energy)value of food? A ten foot pole is jammed under a 200 pound...
If the specific heat of ethanol is 0.588, how many calories are released when 35.5 grams...
If the specific heat of ethanol is 0.588, how many calories are released when 35.5 grams of ethanol is heated from 65.5 degrees Celcius to 101 degrees Celcius?
Need help with chemistry please.
A 12.5 gram walnut is burned under 100 ml of water. How many calories did the water absorb if its temperature went from 22.5 degree C to 95.5 degree C?
A slice of pizza was burned and all of the heat was transferred to 1000g of water. How could you calculate the calories generated in the burning? a.) multiply the grams of water and the degrees Celsius of the temperature change b.) subtract the grams of water from the temperature change. c.) add the grams of water to the temperature change. d.) divide the grams of water by the temperature change. e.) divide the temperature change by the mass
Problems 1. To what temperature will 4500 J of work raise 1.0 kg of water initially at 10 degrees Celsius? 2. How much work (in joules) must a person do to offset eating a 700 Cal piece of cake? 3. A water heater can generate 8300 kcal/hr. How much water can it heat from 12 degrees Celsius to 67 degrees Celsius in 1 hour? 4. An automobile cooling system holds 60 liters of water. How much heat (in kilocalories) does...
4. Determine how many calories of heat are needed to raise the temperature of 250. mL of water from 25°C to 45°C. Specific heat (C) of H2O is 1.00 calorie/g°C. q=C x mass x At. 4 SC -29 250
It takes 100,000 calories to raise 1 kilogram of water by 100 degree C. How many calories does it take to raise the temperature of an equal volume of lead by 100 degree C? And how many calories to raise an equal weight of lead by 100 degree C? Explain the difference between a calorie and a Calorie. What units are used to describe the heat (or energy)value of food? A ten foot pole is jammed under a 200 pound...
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