1. How much heat energy is required to raise the temperature of 3 kg ofaluminium by 10°C?2. 3 kJ of heat is supplied to a 4 kg block of lead. What would be the risein temperature of the block?3. In an experiment on specific heat capacity an electric heater supplied14 475 J of heat energy to a block of copper and raised itstemperature by 15°C. What mass of copper was used in theexperiment?4. 6900 J of heat is supplied to 0.5 kg of methylated spirit in a plasticbeaker and raises its temperature by 1.5°C. What is the specific heatcapacity of methylated spirit?

We can use the specific heat capacity (c) of each material to calculate the amount of heat energy…

Answered: 1. How much heat energy is required to…

Similar questions

Meltdown: A certain metal has a melting point of 724 °C, and a heat of fusion (latent heat) of 77.7 J/g. The specific heat of the metal in its solid form is 0.359 J/g. K, its specific heat in its molten liquid form is 0.693 J/g K, and its density is 6.85 g/cm³. A 719 g sample of the metal is placed in a sealed, thermally insulated vessel with a heating element. If the sample is initially a solid at room temperature (20 ° C), how much heat is required melt the sample and bring it to a final temperature of 999 °C?
7. How much thermal energy do you need to raise 1.0 kg of water at room temperature 35 °C to boiling? The specific heat of water is 4190 J/kg-K. * A. 136 kilojoules B. 272 kilojoules C. 54 kilojoules D. 1416 kilojoules O E. 4190 kilojoules
1. A 0.400 kg sample of aluminum (c = 9.10 x 102 J/kg°C) at 95.0 °C is dropped into a 0.550 kg pot of water which is at 18.0 °C. What temperature will the mixture cometo? 2. How much thermal energy is absorbed by a 0.022 kg ice cube as it melts? The latent heat of fusion of water is 3.4x 105 J/kg. Please answer this on paper
To what temperature will 9400 J of heat raise 2.5 kg of water that is initially at 11.0 °C? The specific heat of water is 4186 J/kg · C°. Express your answer using three significant figures. ? T = C° Submit Request Answer
4. Two kilograms of water at 120°C with a quality of 25% has its temperature raised 20°C in a constant-volume process as in the figure. What is the heat transfer and work in the process? MH_v1
1. a) A man weighing 765 N is on a bed of nails. Calculate the pressure exerted by each nail if there are 1,000 nails and each tip has a radius r = 0.500mm (5.00 x 104 m). b) Calculate the pressure exerted on the skin by acupuncture needle of radius r = 0.100mm (1.00 x 10 m) applied with a force of 3.00 N. Ans. a. 9.74 x 10³ Pa b. 1.59 x 108 Pa [Note that the Coletta text uses N/mm², which is a needless use of non-SI units.]
parts d & e only
2900000 48 cal/g eat meat sheet of paper, solve the following problems. Note that quantity of heat energy required to change the phase of a substance is given by the following equation: Q = mL, where is the heat required, m is the mass, and L is the heat of fusion or vaporization. 1. How much energy is absorbed when 25.0 g of ice at 0.0°C melts to form water at 0.0°C? The heat of fusion of ice is 80 cal/g. 2. How much energy is absorbed when the water at 0.0°C in Question 1 is heated to 100.0°C? The specific heat of water is 1.0 cal/g °C. 3. How much energy is absorbed when the water at 100.0°C in Question 2 vaporizes to 100.0°C? The heat of vaporization of water is 540 cal/g. 4. The steam in Question 3 is used to melt ice. How much ice will be melted by the energy released by the condensation of the steam at 100.0°C?
A copper kettle weighs 1.03 kg. (The specific heat of copper is 0.384 J/g·°C) 1. What is the heat capacity (in J/°C) of the kettle? 2. How much heat (in J) is required to increase the temperature of this kettle from 23.1°C to 98.9°C? 3. How much heat (in J) is required to heat this kettle from 23.1°C to 98.9°C if it contains 1.30 L of water (density of 0.997 g/mL and a specific heat of 4.18 J/g·°C across the temperature range)?
9. The rod below with the cross section surface area of 0.12 m² is laterally insulated. The rod has a thermal conduction constant of 100 W/m.°C. If the temperature along the rod changes according to the function T=ax²+b, develop a model to find the heat which is transferred through the rod? 1 X=0 T=70 °C Heat flow X=2m T=30 °C X
The temperature of a 63 g sample of an unknown substance is raised from 28° C to 86° C when 390 calories of heat are added . What is the specific heat of the sample , in cal/g . C ? Enter your calculated value to the nearest .001 cal/g . C .
Calculate the amount of heat energy transferred when 27.0 g of silver is heated from 50.0°C to 60.0°C. The specific heat capacity of silver is 0.0561 cal/g°C. A. 1.51 cal B. 15.1 cal C. -1.51 cal D. -15.1 cal

SEE MORE QUESTIONS