28 g of ice at -100C is dropped in an insulated 75-g aluminum calorimeter cup containing...

28 g of ice at -100C is dropped in an insulated 75-g aluminum calorimeter cup containing 140 g of water at 300C. (a) Calculate the equilibrium temperature of the container. Specific heats of liquid water, ice and aluminum are 4186 J/(kg 0C), 2090 J/(kg 0C) and 910 J/(kg 0C)respectively. Latent heat of fusion for ice is 3.33 x 105 J/kg. (b) What if, find the final temperature if 68 g of ice had been dropped.

Expert Solution

genius_generous answered 2 years ago

28 g of ice at -10⁰C is dropped in an insulated 75-g aluminum calorimeter cup containing...

28 g of ice at -10⁰C is dropped in an insulated 75-g aluminum calorimeter cup containing 140 g of water at 30⁰C. (a) Calculate the equilibrium temperature of the container. Specific heats of liquid water, ice and aluminum are 4186 J/(kg ⁰C), 2090 J/(kg ⁰C) and 910 J/(kg ⁰C)respectively. Latent heat of fusion for ice is 3.33 x 105 J/kg. (b) What if, find the final temperature if 68 g of ice had been dropped.

Steam at 100°C is condensed into a 54.0 g aluminum calorimeter cup containing 260 g of...

Steam at 100°C is condensed into a 54.0 g aluminum calorimeter cup containing 260 g of water at 25.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 64.0°C. The specific heat of aluminum is 900 J/(kg · °C).

A 200 g insulated aluminum cup at 16 ∘C is filled with 255 g of water...

A 200 g insulated aluminum cup at 16 ∘C is filled with 255 g of water at 100 ∘C a) Determine the final temperature of the mixture. b) Determine the total change in entropy as a result of the mixing process (use ΔS=∫dQ/T).

Part A The aluminum cup inside your calorimeter weighs 42.95 g. You add 60.51 g of...

Part A The aluminum cup inside your calorimeter weighs 42.95 g. You add 60.51 g of 1.0 M acetic acid solution and 49.33 g of 1.0 M sodium hydroxide solution to the calorimeter. Both solutions have an initial temperature of 19.9 oC, and the final temperature after addition is 26.7 oC. What is the heat of neutralization for the amounts of reactants used, in units of J? Assume that: the calorimeter is completely insulated the heat capacity of the empty...

When 28 g of calcium chloride was dissolved in 100g water in a coffee-cup calorimeter, the...

When 28 g of calcium chloride was dissolved in 100g water in a coffee-cup calorimeter, the temperature rose from 25* Celcius to 41.3. What is the enthalpy change for this process? Assume the solution is equal to the specific heat of water.

A 26.0-g aluminum block is warmed to 65.1 ∘C and plunged into an insulated beaker containing...

A 26.0-g aluminum block is warmed to 65.1 ∘C and plunged into an insulated beaker containing 55.5 g of water initially at 22.3 ∘C . The aluminum and the water are allowed to come to thermal equilibrium. (Cs,H2O=4.18J/g⋅∘C , Cs,Al=0.903J/g⋅∘C ) Assuming that no heat is lost, what is the final temperature of the water and aluminum? T = ?? ∘C

A 25 g piece of hot iron is dropped into a glass of ice water containing...

A 25 g piece of hot iron is dropped into a glass of ice water containing 15.0 g of ice and 50.0 g of water. If the iron loses 8.00 kJ of energy to the ice water in achieving equilibrium, what is the equilibrium temperature? ∆Hfus = 6.01 kJ/mol

1. A 100 g ice cube at -10?C is placed in an aluminum cup whose initial...

1. A 100 g ice cube at -10?C is placed in an aluminum cup whose initial temperature is 70?C. The system comes to an equilibrium temperature of 20?C. What is the mass of the cup in kg. 2.Radiation from the head is a major source of heat loss from the human body. Model a head as a 20-cm-diameter, 20-cm-tall cylinder with a flat top.If the body's surface temperature is 36 ?C , what is the net rate of heat loss...

40.0 gram of ice at −15.00 °C is put into a Styrofoam cup calorimeter (of negligible...

40.0 gram of ice at −15.00 °C is put into a Styrofoam cup calorimeter (of negligible mass) containing water at +15.00 °C. When equilibrium is reached, the final temperature is 6.00 °C. How much water did the calorimeter contain initially? The specific heat of ice is 2090J/(kg • K), that of water is 4186 J/(kg • K), and the latent heat of fusion of water is 33.5 × 104J/kg. A)416 g B)579 g C)425 g D)613 g E)780 g

A 10.8 kg of nickel initially at 202 ∘C is dropped into an insulated basin containing...

A 10.8 kg of nickel initially at 202 ∘C is dropped into an insulated basin containing 23.6 kg of water initially at 27.8 ∘C. Assume that he water does not undergo any phase change when the hot metal was initially dropped into the water. a) Assuming no heat losses from the container, what is the final equilibrium temperature between the water and the nickel? ∘C b) What would the equilibrium temperature be if the nickel had lost 479 kJ of...

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