show all work please!
1. A piece of hot lead is added to cold water in a constant volume calorimeter . The lead loses 3450 J of heat and the water gains 2890 J of heat. Calculate the mass of lead added if the initial temperature of the lead (0.158 J/g- degrees C) is 98 degrees C and the final temperature is 37 degrees C
2. Calculate the heat capacity of the calorimeter if the initial and final temperature of the calorimeter are 25 degrees C and 37 degrees C, respectively.
3. A gas mixture contains 15.4 g Ar(g) and 0.864 g H2(g). The mixture is contained in a 1.58 L vessel at a temperature of 293 K. Calculate the mole fraction of Ar in the gas mixture?
show all work please! 1. A piece of hot lead is added to cold water in...
A lead block with a mass of 46.5 g at a temperature of 76.98 degrees celsius was placed into a calorimeter containing 100.0 mL of water at a temperature of 20.6 degrees celsius. What is the equilibrium temperature if the specific heat of water is 4.184 J/g and the specific heat of lead is 0.158 J/gdegreeC?
1. A volume of water was heated to 83.90 °C and immediately added to 48.11 mL of water at 23.98 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 40.86 °C. The final volume of water inside the calorimeter was 90.45 mL. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The volume of hot water added ml b. The mass of hot water (dwater = 1.00 g/mL) c....
1. A volume of water was heated to 81.76 °C and immediately added to 48.80 mL of water at 20.55 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 37.73 °C. The final volume of water inside the calorimeter was 92.03 mL. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The volume of hot water added ml b. The mass of hot water (dwater = 1.00 g/mL) g...
A 16.260g piece of metal was heated in a hot water bath at . The hot metal was then transferred to a calorimeter containing 50.00 mL of water (d of H2O= 1.00 g/mL). From the time-temperature plot, the initial and final temperature for the water were determined to be and , respectively. A) calculate heat (q) gained by the calorimeter and water assuming Ccal= , qH2O= (4.184 J/gC)(mwater)() and qcal=Ccal. 95.5°C 23.76°C 26.18°C 21.0J/ C T We were unable to...
A volume of water was heated to 82.86C and immediately added to 50.31 mL of water at 22:45 °C contained within a coffee cup calorimeter. The final temperature of the mixture was 37,08°C. The final volume of water inside the calorimeter was 94.33 mL. Calculate the following: Note: Heat capacity a. volume of hot water added is 4.18 *Consider sig fig b. masses of hot and cold water (density of water = 1,00 g/mL) c. changes in temperature (AT) of...
structure.com/courses/1253444/quizzes/2442703/take Calculate the amount of heat water absorbs from a piece of hot metal using the following data: 75.0 g of cold water is placed in a calorimeter. The initial temperature of the water is 21.2°C. To the calorimeter a 29.458 g piece of metal at 98.9 °C is added. The final temperature of the contents of the calorimeter is measured to be 29.5°C. (HINT: the specific heat of water is 4.184 ) heat absorbed by water = Knowing the...
A 20.0g piece of metal with a specific heat L Thermochemistry 1. Calculate the total change in internal energy. AE of a system when 400 J heat is oplies to expanding O2(g) and the gas does 350 J of work on its surroundings. 2. Calculate the kinetic energy in .colories, and 6.00x10 m/s. of a portice (moss 9.11x109) 3. Calculate AH in kJ for reaction. CO CO given the following thermochemical data: 2CO(g) + 020) ► 2C0z9) AHP:. 566.1 kJ...
A 44.56−g sample of water at 83.1°C is added to a sample of water at 24.2°C in a constant-pressure calorimeter. If the final temperature of the combined water is 43.3°C and the heat capacity of the calorimeter is 26.3 J/°C, calculate the mass of the water originally in the calorimeter
A 52.16−g sample of water at 79.2°C is added to a sample of water at 23.9°C in a constant-pressure calorimeter. If the final temperature of the combined water is 39.4°C and the heat capacity of the calorimeter is 26.3 J/°C, calculate the mass of the water originally in the calorimeter.
A 43.71−g sample of water at 72.2°C is added to a sample of water at 25.0°C in a constant-pressure calorimeter. If the final temperature of the combined water is 40.7°C and the heat capacity of the calorimeter is 26.3 J/°C, calculate the mass of the water originally in the calorimeter. m = in grams