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Question 11 pts
a)Water having mass= 5 kg having a temperature of 65°C is added to a container having 5 kg water at 15°C What is the final equilibrium temperature (in °C) of the mixture?
b)A 6-kg piece of lead (specific heat 0.03 cal/g ×°C) having a temperature of 71°C is added to 517 g of water having a temperature of 22°C. What is the final equilibrium temperature (in °C) of the system?
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Please answer all the questions this is the last
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15. A block of ice at 0°C is loating on the surface of ice water in...
15. A block of ice at 0°C is loating on the surface of ice water in a beaker. The surface of the wate just comes to the top of the beaker. When the ice melts the water level will: (a) fall (b) remain the same (c) rise (d) cannot be determined with the given information 16. How much heat is required to convert 100 g of water at 20° to steam? (a) 2.5 x 10 J (b) 2.6 x 105...
show all work please! 1. A piece of hot lead is added to cold water in...
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...
Please Help!!!! QUESTION 19 1.3 kg of ice at 0 deg C is dropped into a...
Please Help!!!!
QUESTION 19 1.3 kg of ice at 0 deg C is dropped into a cooler containing 14 kg of water at 1 7 deg C. Given a latent heat of fusion of water/ice of 79.7 cal/g and a specific heat of water of 1.00 cal/g deg C, what is the final temperature of the mixture (in deg。? QUESTION 20 In a similar situation to the previous problem, what is the smallest mass of ice (in kg) at 0...
Not edited Temperature Change and Heat Capacity - Calorimetry- Three substances PLEASE ANSWER ALL PARTS OF THE QUESTION:...
Not edited Temperature Change and Heat Capacity -
Calorimetry- Three substances
PLEASE ANSWER ALL PARTS OF THE QUESTION:
CASE 1,2 and 3
water copper silver cup Case 1: A 0.780-kg silver pellet with a temperature of 85 °C is added to 0.150 kg of water in a copper cup of unknown mass. The initial temperature of the water and the copper cup is 14 °C. The equilibrium temperature of the system (silver+Water+copper cup) is measured to be 27.0 °C. Assume...
A 20-g ice cube floats in 210 g of water in a 100-g copper cup; all...
A 20-g ice cube floats in 210 g of water in a 100-g copper cup; all are at a temperature of 0°C. A piece of lead at 92°C is dropped into the cup, and the final equilibrium temperature is 12°C. What is the mass of the lead? (The heat of fusion and specific heat of water are 3.33 105 J/kg and 4,186 J/kg · °C, respectively. The specific heat of lead and copper are 128 and 387 J/kg · °C,...
A 38-g ice cube floats in 190 g of water in a 100-g copper cup; all...
A 38-g ice cube floats in 190 g of water in a 100-g copper cup; all are at a temperature of 0°C. A piece of lead at 96°C is dropped into the cup, and the final equilibrium temperature is 12°C. What is the mass of the lead? (The heat of fusion and specific heat of water are 3.33 105 J/kg and 4,186 J/kg · °C, respectively. The specific heat of lead and copper are 128 and 387 J/kg · °C,...
A 15-g sample of the candy is placed in a small aluminum container of mass 0.325...
A 15-g sample of the candy is placed in a small aluminum container of mass 0.325 kg filled with oxygen. This container is placed in 1.75 kg of water in an aluminum calorimeter cup of mass 0.624 kg at an initial temperature of 15.0 ∘C. The oxygen-candy mixture in the small container (a "bomb calorimeter") is ignited, and the final temperature of the whole system is 53.5 ∘C.The value of specific heat for aluminum is 0.22 Cal/kg⋅C∘, and for water...
A piece of lead with amass of 1.75 kg and a temperature of 95.0 degrees Celsius...
A piece of lead with amass of 1.75 kg and a temperature of 95.0 degrees Celsius is added to a 225 g of water at 23 degrees Celsius. The water is contained in an aluminium cup which has a mass of 75.0 g. Determine the final equilibrium temperature of the lead, water, and aluminium cup if no heat is lost to the surroundings.
A 20.0g piece of metal with a specific heat L Thermochemistry 1. Calculate the total change...
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 57.1 g piece of zinc (Csp = 0.388 J/g · °C), initially at 285.8 °C,...
A 57.1 g piece of zinc (Csp = 0.388 J/g · °C), initially at 285.8 °C, is added to 155.3 g of a liquid, initially at 22.1 °C, in an insulated container. The final temperature of the metal–liquid mixture at equilibrium is 36.7 °C. What is the identity of the liquid? Neglect the heat capacity of the container.
15. A block of ice at 0°C is loating on the surface of ice water in a beaker. The surface of the wate just comes to the top of the beaker. When the ice melts the water level will: (a) fall (b) remain the same (c) rise (d) cannot be determined with the given information 16. How much heat is required to convert 100 g of water at 20° to steam? (a) 2.5 x 10 J (b) 2.6 x 105...
Please Help!!!!
QUESTION 19 1.3 kg of ice at 0 deg C is dropped into a cooler containing 14 kg of water at 1 7 deg C. Given a latent heat of fusion of water/ice of 79.7 cal/g and a specific heat of water of 1.00 cal/g deg C, what is the final temperature of the mixture (in deg。? QUESTION 20 In a similar situation to the previous problem, what is the smallest mass of ice (in kg) at 0...
Not edited Temperature Change and Heat Capacity -
Calorimetry- Three substances
PLEASE ANSWER ALL PARTS OF THE QUESTION:
CASE 1,2 and 3
water copper silver cup Case 1: A 0.780-kg silver pellet with a temperature of 85 °C is added to 0.150 kg of water in a copper cup of unknown mass. The initial temperature of the water and the copper cup is 14 °C. The equilibrium temperature of the system (silver+Water+copper cup) is measured to be 27.0 °C. Assume...
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...
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