Practice Question Calculate the final temperature after 1485 J of energy is added to 16.7 g...
When 1493 J of heat energy is added to 39.5 g of hexane, CH,4, the temperature increases by 16.7 °C. Calculate the molar heat capacity of C,H, J/(mol.°C)
521.8 J of heat was added to 8.00 g of water. The final temperature of the water was measured to be 64.2oC. What was the initial temperature of the water? (specific heat capacity of water = 4.184 J/goC)
Question 9 of 28 > When 1427 J of heat energy is added to 44.4 g of hexane, CH4, the temperature increases by 14.2 °C. Calculate the molar heat capacity of CH4 Cp = J/(mol 'C)
Question 5 of 15 > When 1393 J of heat energy is added to 46.3 g of hexane, CH , the temperature increases by 13.3°C. Calculate the molar heat capacity of CH4 C-C J/mol.°C) /(molºc)
Question 13 4 pts 734 J of thermal energy is added to a 155 g sample of lead that is initially at 25.0 °C. What will be the final temperature (in °C) if the specific heat capacity of lead is 0.130 J/g °C?
When 1491 J of heat energy is added to 38.3 g of hexane, CH4, the temperature increases by 17.2°C. Calculate the molar heat capacity of CH. J /(mol·°C)
What is the final temperature when 1.646 kJ of energy is added to 10.0 g of ice at 0.00°C? Final temperature = °C
n fibers and polystyrene If 16.7 kJ of energy is at is its final temperature 5a 6) Use Hess's Law to calculate the enthalpy change for the reaction WO3(s) +3H2(g) W(s) +3H20(g) from the following data: 2W(S) + 3026)-→ 2W03(s) M/--1685.4 kJ 2H2(s) + O2(s) → 2H20(g) Δ//=-477.84 kJ A) 125.9 kJ B) 252.9 kJ C) 1207.6 kJ D) 364.9 k E) none of the above
The specific heat of copper is 0.385 J/gC . Calculate the final temperature when 25.0 g of copper metal at 100C is added to 50 mL of water at 20 C
When 1728 J of heat energy is added to 47.6 g of ethanol, C, H, 0, the temperature increases by 14.8 "C. Calculate the molar heat capacity of C,H,O. J/(mol-'C) Срт