Homework Answers
Heat lost by silver is equal to heat gained by water and
aluminium calorimeter. We use this to find the required final
temperature as shown below
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A well-insulated aluminum calorimeter cup with mass of 205 g contains 255 g of liquid water...
You drop a 281-g silver figure of a polar bear into the 231-g aluminum cup of...
You drop a 281-g silver figure of a polar bear into the 231-g aluminum cup of a well-insulated calorimeter containing 255 g of liquid water at 24.9°C. The bear\'s initial temperature is 98.1°C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg·K), 910 J/(kg·K), and 4190 J/(kg·K).
A 287 g silver figure of a polar bear is dropped into the 221 g aluminum...
A 287 g silver figure of a polar bear is dropped into the 221 g aluminum cup of a well‑insulated calorimeter containing 259 gof liquid water at 22.9∘C. The bear's initial temperature is 98.9∘C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg⋅K), 910 J/(kg⋅K), and 4190 J/(kg⋅K).
You drop a 285-g silver figure of a polar bear into the 223-g aluminum cup of...
You drop a 285-g silver figure of a polar bear into the 223-g aluminum cup of a well-insulated calorimeter containing 273 g of liquid water at 23.9°C. The bear\'s initial temperature is 95.1°C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg·K), 910 J/(kg·K), and 4190 J/(kg·K).
A 291 g silver figure of a polar bear is dropped into the 211 g aluminum...
A 291 g silver figure of a polar bear is dropped into the 211 g aluminum cup of a well‑insulated calorimeter containing 273 g of liquid water at 23.1∘C. The bear's initial temperature is 97.3∘C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg·K), 910 J/(kg·K), and 4190 J/(kg·K). please show work
A 297 g silver figure of a polar bear is dropped into the 203 g aluminum...
A 297 g silver figure of a polar bear is dropped into the 203 g aluminum cup of a well‑insulated calorimeter containing 273 g of liquid water at 20.3 ∘ C . The bear's initial temperature is 99.1 ∘ C . What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J / ( kg ⋅ K ) , 910 J /...
A 291 g silver figure of a polar bear is dropped into the 247 g aluminum...
A 291 g silver figure of a polar bear is dropped into the 247 g aluminum cup of a well-insulated calorimeter containing 275 g of liquid water at 24.3°C. The bear's initial temperature is 99.3 °C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg-K), 910 J/(kg-K), and 4190 J/(kg-K). final temperature: °C
A calorimeter consists of an aluminum cup inside of an insulated container. The cup is weighed on a top-loading bal...
A calorimeter consists of an aluminum cup inside of an insulated container. The cup is weighed on a top-loading balance and is found to have a mass of 42.69 g. A reaction is conducted in the calorimeter, raising the temperature from 20.00°C to 26.41°C. What is the change in heat, q, for the aluminum cup, in units of J? Aluminum has a specific heat of 0.903 Jg-1°C-1
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and a temperature of 78.7 ∘C . How much ice at a temperature of -21.2 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and a temperature of 78.7 ∘C . How much ice at a temperature of -21.2 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and a temperature of 74.5 ∘C .How much ice at a temperature of -10.6 ∘C must be dropped into the water so that the final temperature of the system will be 35.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be...
A 291 g silver figure of a polar bear is dropped into the 247 g aluminum cup of a well-insulated calorimeter containing 275 g of liquid water at 24.3°C. The bear's initial temperature is 99.3 °C. What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg-K), 910 J/(kg-K), and 4190 J/(kg-K). final temperature: °C
A calorimeter consists of an aluminum cup inside of an insulated container. The cup is weighed on a top-loading balance and is found to have a mass of 42.69 g. A reaction is conducted in the calorimeter, raising the temperature from 20.00°C to 26.41°C. What is the change in heat, q, for the aluminum cup, in units of J? Aluminum has a specific heat of 0.903 Jg-1°C-1
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