Heat | Chem by JC
1. The boiling mass of 1500 g, temperature 27 degrees Celsius and the temperature is 75 degrees Celsius. How much water is the amount of heat. 2 forged a mass of 50 grams. Become the total water requires heat much 3. Steam, 20 g at 100 C, making ice, 0 C, 20 grams are exothermic much. 4 12 and 50 g at 28 is heated dip warmer to 80, find the value. amount of heat added to 5. juice 200 g in a temperature drop of 39 to 2, find the amount of heat removed 6. determine the amount of heat in the melting water 20 g into the water when at 0 C 7. ., to make 1 gram of ice at a temperature of -10 º C to vaporize water at 100 º C, how much heat will be required.
Eight. Put ice 100 grams temperature 0 º C in water 100 g at 30 º C to final temperature, how much L ice = 3.36 x 105 J / kg c water = 4200 J / kg K 9. Juice 2m temperature t mixed with water. mass m 2t temperature of water mixed with temperatures dip warmer much 10., to vaporize the ice mass of 20 kg of water at 100 degrees Celsius, it requires a few kilocalories of heat Rory. On specific latent heat of fusion of ice equal to calories per gram. Specific and latent heat of the steam of boiling water is 540 calories per 11 grams., When water evaporates, making the water temperature dropping. Temperature of the Lost Related to the change status? 12., To make copper 1 gram increase temperature by 1 degree Celsius to heat 0.1 Calories dip warmer and making steel, 1 gram increase temperature by 1 degree Celsius dip warmer to heat 0.5 Carol. Mary, find that when the iron and copper, each 1 gram to heat evenly. Temperature of the metal, the two are the same or different? 13., Making ice, 10 grams converted to steam at 100 degrees Celsius will require heat much 14. Slack ice 20 g 0 degrees into the syrup 10 g of 70 degrees. After balancing dip warmer the water a few degrees of 15. passing an electric current in a wire Niocrm is immersed in Clare Perimeter water contained 100 cubic centimeters dip warmer temperature of 30 degrees Celsius, it turns out that the water is heated to 35 degrees Celsius power to change. How much thermal energy is 16. kettle for making hot water, 200 cubic centimeters of 30 degrees dip warmer Celsius to 60 degrees Celsius in the oven at 120 seconds if the same blade makes liquid equal volume. dip warmer Water to heat up, but only takes 60 seconds Capacity Specific heat of liquid worth how much the density of liquid equal to 0.8 grams / cubic centimeter 17. Kettle to boil 400 grams, making the water temperature rose from 30 degrees. Celsius to 80 degrees Celsius in 5 minutes if the oven for this same decoction juice, which has a mass of 800 grams, the temperature dip warmer of the juice increased from 20 degrees C to 100 degrees C within 8 min capacity. specific heat of the juice has few calories per gram per degree Celsius.
18th. Wires, electric heating, one has 1000 watts of power available to home. When dipped in water, 4 kg for 5 minutes, the water temperature will rise a few degrees Celsius. The specific heat capacity of water is 1 calorie per gram per degree Celsius.
19th. 840 watts electric drill is used to drill holes in solid brass, which has a mass of 100 g for 20 seconds, the specific heat capacity of brass is 0.1 calories per 1 gram per 1 degree Celsius in the performance of this drill. Mechanical energy is transformed into heat energy to the brass, only 1 in 4 of all the power drill made. Brass rods to heat up a few degrees Celsius due to the thermal energy of 4.2 joules 1 calorie.
20th. Juice 2 liters to be heated from 18 C to 85 C, with solenoid that has 1000 watts would take how long to boil water 21. Oven electric 100 watt will take how long to boil water. mass of 0.8 kg of 20 C to boiling temperature due to electric efficiency of 80% and a specific heat capacity of water is 4200 Joules per kilogram per Kelvin.
22. Mixed with hot water 100 g, temperature 70 C with a 0 C 40 g with temperature, the mixture is as much 23. Brought type object has a mass of 200 g of 100 C to put it into the water, which has a mass of 50 g, temperature 30. It turns out that the water temperature is 60 degrees Celsius maximum temperature, how much energy the object. (Assume no heat loss to the container).
24th. Pour hot coffee into the cup. Coffee will lose heat to the cup, how many joules. If the temperature of the cup, up from 30 degrees Celsius to 80 degrees Celsius, the cup has a mass of 210 g and a specific heat capacity of 0.2 calories per gram per degree Celsius. (Defined as 1 joule of energy 4.2 calories).
25. The mass 600 grams tin cans to the left in the sun. Put it in water with a temperature of 30 degrees Celsius, it turns out that 100 grams of water heated to 45 degrees Celsius, the temperature of the can when I know that the sun is a few degrees Celsius. Specific heat capacity of zinc and lead were 0.4 and 1.0 calories per gram per degree Celsius respectively.
26th. Lump mass 400 grams temperature of 30 degrees Celsius is dropped into 400 g of water temperature of 10 degrees Celsius, the temperature of the mixture of these two substances is how much. (Determine the specific heat capacity of an object is equal to 0.20 calories per gram per degree Celsius).
27. The latent heat means 28. Cans uniform cross-sectional area of water which becomes ice at 0 degrees Celsius, 4 cm high will be 40 degrees Celsius water temperatures exceeding a few centimeters into the cans. To fit ice melts Assigned to water and ice has a density of 1 g / cubic cm. Specific heat capacity of water.
1. The boiling mass of 1500 g, temperature 27 degrees Celsius and the temperature is 75 degrees Celsius. How much water is the amount of heat. 2 forged a mass of 50 grams. Become the total water requires heat much 3. Steam, 20 g at 100 C, making ice, 0 C, 20 grams are exothermic much. 4 12 and 50 g at 28 is heated dip warmer to 80, find the value. amount of heat added to 5. juice 200 g in a temperature drop of 39 to 2, find the amount of heat removed 6. determine the amount of heat in the melting water 20 g into the water when at 0 C 7. ., to make 1 gram of ice at a temperature of -10 º C to vaporize water at 100 º C, how much heat will be required.
Eight. Put ice 100 grams temperature 0 º C in water 100 g at 30 º C to final temperature, how much L ice = 3.36 x 105 J / kg c water = 4200 J / kg K 9. Juice 2m temperature t mixed with water. mass m 2t temperature of water mixed with temperatures dip warmer much 10., to vaporize the ice mass of 20 kg of water at 100 degrees Celsius, it requires a few kilocalories of heat Rory. On specific latent heat of fusion of ice equal to calories per gram. Specific and latent heat of the steam of boiling water is 540 calories per 11 grams., When water evaporates, making the water temperature dropping. Temperature of the Lost Related to the change status? 12., To make copper 1 gram increase temperature by 1 degree Celsius to heat 0.1 Calories dip warmer and making steel, 1 gram increase temperature by 1 degree Celsius dip warmer to heat 0.5 Carol. Mary, find that when the iron and copper, each 1 gram to heat evenly. Temperature of the metal, the two are the same or different? 13., Making ice, 10 grams converted to steam at 100 degrees Celsius will require heat much 14. Slack ice 20 g 0 degrees into the syrup 10 g of 70 degrees. After balancing dip warmer the water a few degrees of 15. passing an electric current in a wire Niocrm is immersed in Clare Perimeter water contained 100 cubic centimeters dip warmer temperature of 30 degrees Celsius, it turns out that the water is heated to 35 degrees Celsius power to change. How much thermal energy is 16. kettle for making hot water, 200 cubic centimeters of 30 degrees dip warmer Celsius to 60 degrees Celsius in the oven at 120 seconds if the same blade makes liquid equal volume. dip warmer Water to heat up, but only takes 60 seconds Capacity Specific heat of liquid worth how much the density of liquid equal to 0.8 grams / cubic centimeter 17. Kettle to boil 400 grams, making the water temperature rose from 30 degrees. Celsius to 80 degrees Celsius in 5 minutes if the oven for this same decoction juice, which has a mass of 800 grams, the temperature dip warmer of the juice increased from 20 degrees C to 100 degrees C within 8 min capacity. specific heat of the juice has few calories per gram per degree Celsius.
18th. Wires, electric heating, one has 1000 watts of power available to home. When dipped in water, 4 kg for 5 minutes, the water temperature will rise a few degrees Celsius. The specific heat capacity of water is 1 calorie per gram per degree Celsius.
19th. 840 watts electric drill is used to drill holes in solid brass, which has a mass of 100 g for 20 seconds, the specific heat capacity of brass is 0.1 calories per 1 gram per 1 degree Celsius in the performance of this drill. Mechanical energy is transformed into heat energy to the brass, only 1 in 4 of all the power drill made. Brass rods to heat up a few degrees Celsius due to the thermal energy of 4.2 joules 1 calorie.
20th. Juice 2 liters to be heated from 18 C to 85 C, with solenoid that has 1000 watts would take how long to boil water 21. Oven electric 100 watt will take how long to boil water. mass of 0.8 kg of 20 C to boiling temperature due to electric efficiency of 80% and a specific heat capacity of water is 4200 Joules per kilogram per Kelvin.
22. Mixed with hot water 100 g, temperature 70 C with a 0 C 40 g with temperature, the mixture is as much 23. Brought type object has a mass of 200 g of 100 C to put it into the water, which has a mass of 50 g, temperature 30. It turns out that the water temperature is 60 degrees Celsius maximum temperature, how much energy the object. (Assume no heat loss to the container).
24th. Pour hot coffee into the cup. Coffee will lose heat to the cup, how many joules. If the temperature of the cup, up from 30 degrees Celsius to 80 degrees Celsius, the cup has a mass of 210 g and a specific heat capacity of 0.2 calories per gram per degree Celsius. (Defined as 1 joule of energy 4.2 calories).
25. The mass 600 grams tin cans to the left in the sun. Put it in water with a temperature of 30 degrees Celsius, it turns out that 100 grams of water heated to 45 degrees Celsius, the temperature of the can when I know that the sun is a few degrees Celsius. Specific heat capacity of zinc and lead were 0.4 and 1.0 calories per gram per degree Celsius respectively.
26th. Lump mass 400 grams temperature of 30 degrees Celsius is dropped into 400 g of water temperature of 10 degrees Celsius, the temperature of the mixture of these two substances is how much. (Determine the specific heat capacity of an object is equal to 0.20 calories per gram per degree Celsius).
27. The latent heat means 28. Cans uniform cross-sectional area of water which becomes ice at 0 degrees Celsius, 4 cm high will be 40 degrees Celsius water temperatures exceeding a few centimeters into the cans. To fit ice melts Assigned to water and ice has a density of 1 g / cubic cm. Specific heat capacity of water.
No comments:
Post a Comment