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When 1 gram of liquid water at 0 Celsius freezes to form ice how many total Joules of heat are lost by the water?
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What is the total number of joules required to melt 100 grams of ice at 0 c to liquid water at 0 c?
226,ooo j
What is the total number of calories of heat needed to raise to raise the temperature of the liquid water from 20 degrees Celsius to 30 degrees Celsius?
The number of calories required will depend on the mass of water which is to be heated.
What is difference between Kilowatt power vs kilowatt hour?
Kilowatt is a measure of the rate of energy use. It is 1,000 Watts or 1,000 Joules per second. A kilowatt hour is 1,000 Joules per second for 3,600 seconds or 3,600,000 Joules. This means a Kilowatt hour not a rate but a measure of total energy used.
What is the total mechanical energy of a glass of milk falling off a table at a time when its potential energy is 15j and its kinetic energy is 12j?
27 Joules
A 950-N skydiver jumps from an altitude of 3000 m. What is the total work performed on the skydiver?
Work is the force times distance, so the answer is 2,850,000 joules.
When 1 gram of water at 0 degrees Celsius freezes to form ice how many total joules of heat are lost by the water?
It's necessary to remove 540 calories from a gram of water in order to freeze it. That's about 2260 joules. The amount of energy used by a freezer to do this depends on the efficiency of the freezer.
What is the temperatures when liquids freeze?
The temperature varies from one liquid to another. Every element has a different freezing point and boiling point. You can calculate both for a molecule by using a formula that takes into consideration the different elements that make up the molecule in comparision to percentage that element is of the total mass of the molecule
What is the total heat loss if you have 18 grams of aluminum and the temperature changes from 64 degrees Celsius to 48 degrees Celsius?
Approx 4974 Joules.
When 1 gram of liquid water at 0 degrees celsius freezes to form ice how many total joules of heat are lost by the water?
a change from liquid to solid or solid to liquid will require the use of the formula of Heat of Fusion , q=mHf where m is the mass and Hf = 334J/g, this is standard so you wont have to look for how it came about.In this case the m=5.00g so: q = m Hf q=(5.00g)(334 J/g) , you notice the grams will cancel out. q = 1670 J.
What is the total number of joules required to melt 100 grams of ice at 0 C to liquid water at C?
226,ooo j
What is the total number of joules required to melt 100 grams of ice at 0 c to liquid water at 0 c?
226,ooo j
What is the total number of calories of heat needed to raise to raise the temperature of the liquid water from 20 degrees Celsius to 30 degrees Celsius?
The number of calories required will depend on the mass of water which is to be heated.
What is the total number of joules released when 5.00 gram sample of water changes from liquid to solid at 0 Celsius?
a change from liquid to solid or solid to liquid will require the use of the formula of Heat of Fusion , q=mHf where m is the mass and Hf = 334J/g, this is standard so you wont have to look for how it came about.In this case the m=5.00g so: q = m Hf q=(5.00g)(334 J/g) , you notice the grams will cancel out. q = 1670 J.
How many joules are necessary to raise the temperature of 53.5 grams of water from 16.5 degrees celsius to 70.1 degrees celsius?
Energy is actually given off in the lowering of temperature. Use the equation Q = mc(change in T). In this case, m = 2.9, c = 4.179 J, and change in T = -12.1 degree C. Now solve for Q, the heat energy. This exothermic process gives off approximately 146.6 J of heat.
How much heat does 32.0 g of water absorb when it is heated from 25.0 Celsius to 80.0 Celsius in calories?
Water has a specific heat of 1 calorie per gram per degree. This means that in order to raise 28.4 grams of water by 1 degree Celsius, it takes 28.4 calories. At an increase of 44.6 degrees Celsius, this equates to 1,266.64 calories of heat.
Do more calories equal more energy?
yes kilojoues convert down to joules which is the amount of energy in the body total joules= total energy
What is the average power requirement for the US in watts if the total annual U.S. energy consumption is about 2 x 10 to 20th power joules (1 watt is 1 joules)?
Watts = joules / secondYou need to divide the total annual energy consumption by the number of seconds in a year (which is about 31.5 million).
