3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample...
Enter your answer in the provided box. A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 12.4 J/°C.) J/g. °C
A 32.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C, The final temperature of the system was found to be 28.4℃ Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4/C) J/g °C
10 homework Question 13 (of 25) 4.00 points 3 atempts left C Check my work Enter your answer in the provided box. A 40.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 90.0 g of water at 24.0°C. The final temperature of the system was found to be 25.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 13.4 Jr C) 2 4 5 6 8
8 A 44.0 g sample of an unknown metal at 99.0°C was placed in a constant pressure calorimeter containing 80.0 g of water at 24.0°c. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The specific heat capacity of water is 4.184 J/C) 2.03 J/g C A. В. 1.01 J/g°C 0.474 J/g°C 0.246 J/g.°C 3.22 J/g.°C C. D. Е. of methanol (CH OH)
attempts left Check my work Enter your answer in the provided box. A 4864g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and a heat capacity for the vessel of 10.0 J/°C, what is the final temperature of the system (c of copper = 0.387 J/g.°C)? 18. 01
Saved 3 attempts left Check my work Enter your answer in the provided box. When 23.4 mL of 0.500 M H2SO4 is added to 23.4 mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17ºC. Calculate AH of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water =...
2 attempts left Check my work Enter your answer in the provided box. The energy content of raisin bread is 13.1 kJ/g. Calculate the temperature increase when a slice of raising bread (34.0 g) is burned in the calorimeter. The heat capacity of the calorimeter is 38.77 kJ°C.
3 attempts left Check my work Enter your answer in the provided box. In a gas expansion, 8.0 x 10'J of heat is absorbed from the surroundings, and the energy of the system decreases by 144 J. Calculate the work done.
3 attempts left Check my work Check my work Enter your answer in the provided box. At 31°C a sample of ammonia gas exerts a pressure of 4.70 atm. What is the pressure when the volume of the gas is reduced to one-tenth (0.10) of the original value at the same temperature? atm
3 attempts left Check my work Enter your answer in the provided box. Determine the pressure of N, (in atm) under the following conditions. 32.0 g at 13.3°C in 5.00 L L atm