Q10-Find the heat capacity for iron bar with specific heat 0.444 J/gC and mass 2.05 Kg.
2. A 0.825-kg block of iron, with an average specific heat of 5.60 x102 J/kg K, is initially at a temperature of 352°C. It is placed in a calorimeter that has 40.0 g of water at 20.0°C. What is the final thermal equilibrium temperature? If your answer if 100.0°C, calculate the amount of water that remains in liquid form. Treat the mass and heat capacity of the calorimeter as neglible.
The temperature of an object increases by 48.3 °C when it absorbs 3701 J of heat. Calculate the heat capacity of the object. C = 0.240 The mass of the object is 319 g. Use the table of specific heat values to identify the composition of the object. Substance gold silver Specific heat (J/(g · °C)) 0.129 0.240 0.444 0.900 iron aluminum
93.2 LP 4. The specific heat of iron is 0.450 J/g.K. a) What is the heat capacity of a 25.0 g block of iron? b) What is the value of the molar heat capacity of iron? del 4 rimetry involves the measurement of heat flow from one object undings). The instrument chemists use to measure changes in h mposed of an insulated container (like a Styrofoam cup) contain water. A reaction vessel is also placed inside the water - this...
In the specific heat capacity experiment, the unknown object has a mass of 0.073 kg and was cooled to -9 C. Then, it was placed in a calorimeter (mcalorimeter = 0.11 kg) that contain water (mwarter = 0.23 kg) at a temperature of 26 C. After 5 minutes the temperature dropped to 22.4 C. Determine the specific heat capacity of the unknown object. (cwater = 4186 J/kg. C and ccalorimeter = 900 J/kg. C)
What is the specific heat capacity in J/ kg oC of a metal the temperature changes from 14 Kelvin to 68 Kelvin when 3,938 joules of heat energy is added to a mass of 619 grams?
A 61.18 gram sample of iron (with a heat capacity of 0.450 J/g℃) is heated to 100.00。It is then transferred to a coffee cup calorimeter containing 52.33 g of water (specific heat of 4.184 J/ g℃) initially at 20.67 ℃. If the final temperature of the system is 28.40, what was the heat gained by the calorimeter? If the calorimeter had a mass of 27.88 g, what is the heat capacity of the calorimeter? J absorbed by the calorimeter
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
100 J of heat was removed from 50 g of an iron bar at 20 oC. What is the final temperature after the iron bar lost the heat? (The specific heat of iron is 0.5 J/goC.)
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
In the specific heat capacity experiment, the unknown object has a mass of 0.085 kg and was cooled to -6C. Then, it was placed in a calorimeter (mcalorimeter = 0.12 kg) that contain water (mwarter = 0.27 kg) at a temperature of 28 oC. After 5 minutes the temperature dropped to 23C. Determine the heat lost by the calorimeter. (cwater = 4186 J/kg. oC and ccalorimeter = 900 J/kg. oC)