E is the correct answer but how do you get to it? 12)Consider a 28 g...
1. A 2.80 g lead weight, initially at 11.0 ∘C, is submerged in 8.19 g of water at 53.0 ∘C in an insulated container. What is the final temperature of both the weight and the water at thermal equilibrium? 2. It takes 45.0 J to raise the temperature of an 9.60 g piece of unknown metal from 13.0∘C to 24.6 ∘C. What is the specific heat for the metal? 3. The molar heat capacity of silver is 25.35 J/mol. ∘C....
a.) It takes 52.0J to raise the temperature of an 9.60 g piece of unknown metal from 13.0 degrees Celsius to 24.2 degrees Celsius. What is the specific heat for the metal? The next two questions pertain to silver. They have nothing to do with unknown metal described in Part A. b.) The molar heat capacity of silver is 25.35 J/mol * degrees Celsius. How much energy would it take to raise the temperature of 9.60g of silver by 18.6...
PART A It takes 47.0 J to raise the temperature of an 10.9 g piece of unknown metal from 13.0∘C to 24.8 ∘C. What is the specific heat for the metal?Express your answer with the appropriate units. PART B The molar heat capacity of silver is 25.35 J/mol⋅∘C. How much energy would it take to raise the temperature of 10.9 g of silver by 11.2 ∘C?Express your answer with the appropriate units. PART C What is the specific heat of...
6.A. It takes 55.0 J to raise the temperature of an 9.40 g piece of unknown metal from 13.0∘C to 24.7 ∘C . What is the specific heat for the metal? Express your answer with the appropriate units. B. The molar heat capacity of silver is 25.35 J/mol⋅∘C. How much energy would it take to raise the temperature of 9.40 g of silver by 10.6 ∘C? Express your answer with the appropriate units. C. What is the specific heat of...
3. The specific heat of methane gas is 2.20 J/g • °C. If the temperature of a sample of methane gas rises by 15 °C when 8.8 kJ of heat energy is added to the sample, what is the mass (in kg) of the sample? 4. It takes 0.805 kJ to raise the temperature of a 0.125 kg quantity of an unknown metal (gold, silver, or aluminum) from 25.00°C to 32.14°C. What is the specific heat of the metal (in...
The specific heat capacity of silver is 0.24 J/°C .g. (a) Calculate the energy required to raise the temperature of 140.0 g Ag from 273 K to 305 K. (b) Calculate the energy required to raise the temperature of 1.0 mol Ag by 1.0°C (called the molar heat capacity of silver). O J/mol°C (c) It takes 1.35 kJ of energy to heat a sample of pure silver from 12.0°C to 15.3°C. Calculate the mass of the sample of silver. 9
Part A: It takes 50.0 J to raise the temperature of an 8.40 g piece of unknown metal from 13.0∘C to 24.3 ∘C. What is the specific heat for the metal? Express your answer with the appropriate units. Part B: The molar heat capacity of silver is 25.35 J/mol⋅∘C. How much energy would it take to raise the temperature of 8.40 g of silver by 18.0 ∘C? Express your answer with the appropriate units. Part C: What is the specific...
Perd cific Zinc has a specific heat of 0.39 J/g °C while iron has a spe- cific heat of 0.45 J/g °C. If a 100-g sample of each metal is cooled from 100 °C to room temperature (25 °C), which one releases more heat energy? 50. Th deg ab 10 51. An engineer tests the thermal properties of a metal alloy. Using a 50.0-g sample, she finds that adding 485 J of heat energy to the alloy causes a temperature...
A 83.5 g sample of a metal alloy is heated to 88.1oC and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0oC. The final temperature of the metal + water is 25.3 oC. Calculate the specific heat of metal alloy, in J/(g oC), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g oC).
1. Zinc has a specific heat of 0.39 J/g°C while iron has a specific heat of 0.45 J/g°C. If a 100g sample of each metal is cooled from 100°C to room temperature (25°C), which one releases more heat energy? 2. An engineer tests the thermal properties of a metal alloy. Using a 50.0 g alloy sample, she finds that adding 487 J of heat energy to the alloy causes a temperature change of 4.10°C. What is the specific heat of...