both questions please 6. A 89.2 g piece of aluminum (which has a molar heat capacity of 24.031/°C-mol) is heated to...

Question

Question

6. A 89.2 g piece of aluminum (which has a molar heat capacity of 24.031/°C-mol) is heated to 624°C and dropped into a calori

both questions please

Answer 1

Answer #1

Mass I Aluminium (mA) = 89. 2g TAIF 24.03 Iloc. mol TIF 24°c (Initial temp. of A1) T2= 135.2°C (tinae temp. ad Alf H2O) Tw =

Answer 2

Similar Homework Help Questions

A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03]/°C-mol) is heated...

A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03]/°C-mol) is heated to 624°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 19.2°C. The final temperature of the water is 135.2°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
b. A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C-mol)...

b. A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C-mol) is heated to 621 and dropped into a calorimeter containing water (specific heat capacity of water is 1.10 MB initially at 19.2°C. The final temperature of the water is 135.2°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
7. A single pulse of a laser yields an average of 5.00 x 1018 photons with...

7. A single pulse of a laser yields an average of 5.00 x 1018 photons with = 532 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses needed to melt 125.3 g of ice?

A 17.0 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is...

A 17.0 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 22.3°C. The final temperature of the water is 25.3°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
(15502.19.2) 7. A single pulse of a laser yields an average of 5.00 x 1018 photons...

(15502.19.2) 7. A single pulse of a laser yields an average of 5.00 x 1018 photons with = 532 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses needed to melt 125.3 g of ice? 532, Ech CHE 111 DUE 11/12/13 tovoltaic cell converts light into electrical energy. Suppose a certain photovoltaic cell is only 13.0% efficient, in other words, that 73.6% of the light energy is ultimately recovered energy...
A 95.0g piece of metal (with a specific heat of 1.55 J/g°C) is heated to 375°C...

A 95.0g piece of metal (with a specific heat of 1.55 J/g°C) is heated to 375°C and then placed into a calorimeter, which contains 60.0g of ice in equilibrium with 40.0g of liquid water. How many grams of ice will melt in this process? A) 7.3, B) 16.6, C) 34.2, D) 22.9, or E) 52.4. [The key says the answer is B]. Please show all work. Thank you! 9. A 95.0 g piece of metal (with a specific heat of...

A 29.3 g piece of metal is heated to 97 degree C and dropped into a...

A 29.3 g piece of metal is heated to 97 degree C and dropped into a calorimeter containing 50.0 g of water (specific heat capacity of water is 4.18 J/g degree C) initially at 22.9 degree C. The empty calorimeter has a heat capacity of 125 J/K. the final temperature of the water is 25.96 degree C. Ignoring significant figures., calculate the specific heat of the metal. A) 0.481 J/gK. B) 0.361 J/gK C) 0.120 J/gK D) 0.300 J/gK E)...
Calculate the molar heat capacity of iron, A 45.61g piece of iron heated to 96.32˚C is...

Calculate the molar heat capacity of iron, A 45.61g piece of iron heated to 96.32˚C is transferred to a calorimeter containing 80.00g water initially at 24.91˚C. The temperature of the system at thermal equilibrium is 28.04˚C.
Chemistry 1516R Problem Set QUESTIONS For water, the molar heat of fusion is 6.01 kJ/mol and...

Chemistry 1516R Problem Set QUESTIONS For water, the molar heat of fusion is 6.01 kJ/mol and the molar heat of vaporization is 40.7 kJ/mol. al Calculate the amount of energy needed to melt 52.4g of ice at O'C b Calculate the amount of energy needed to evaporate 52.4 g of water at 100°C c If the specific heats of ice, water, and steam are 2.09.4.18 and 1.84J ' respectively, calculate the energy required to convert 100.0 g of iscat -...

Problem 1. A 35.6 g piece of aluminum metal rod is heated to 89.4 °C and then placed in an insulated container containing 51.2 g of water at 22.3 °C. Assuming no loss of water and a heat capacity of...

Problem 1. A 35.6 g piece of aluminum metal rod is heated to 89.4 °C and then placed in an insulated container containing 51.2 g of water at 22.3 °C. Assuming no loss of water and a heat capacity of 19.82 J/K for the container, what is the final temperature of the system? You may assume that the container is always at the same temperature as that of the water. (HINT: qmetal + qcontainer + qwater-0) Problem 2. Calculate Δ...