3 attempts left Check my work Enter your answer in the provided box. A student mixes...
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 161.0 mL of water at 26.0°C is mixed with 91.0 mL of water at 85.0°C, what is the final temperature? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.) PC < Prex Nexo 7 of 14 W
3 attempts left Check my work Enter your answer in the provided box. What will be the final temperature of a 543-g sample of water, initially at 15.0°C, after 59.5 kJ have been added to it?
10 attempts left Check my work Enter your answer in the provided box. What will be the final temperature of a 625 g sample of water, initially at 16.0°C, after 61.5 kJ have been added to it?
3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample of an unknown metal at 99°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 heat capacity of the calorimeter is 14.4 J/°C.) Book J/g °C Ferences
3 attempts left Check my work Enter your answer in the provided box. If 730 g of ethylene glycol (C2H602) is added to 1,000. g of water, what is the freezing point? C
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. The pressure of 5.80 L of an ideal gas in a flexible container is decreased to one-third of its original pressure, and its absolute temperature is decreased by one-half. What is the final volume of the gas?
will give thumbs up! 3 attempts left Check my work Enter your answer in the provided box. points Water is added to 75.0 mL of a 0.992 M KNO, solution until the volume of the solution is exactly 250 mL. What is the concentration of the final solution? eBook Print References 3 attempts left Check my work Enter your answer in the provided box. points A volume of 54.2 mL of a 0.468 M Ca(NO) solution is mixed with 75.5...
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.