A piece of copper alloy with a mass of 85.0g is heated from 30.0°C to 45.0°C. In the process, it absorbs 523J of energy as heat. What is the specific heat of this copper alloy?

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After mixing 125 g of…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: A 15.0 g piece of graphite is heated to 100.0 degrees C and placed in a calorimeter. The graphite…

A: The specific heat of graphite is calculated by using the following expression,

Q: An 87.0-g piece of iron whose temperature is 73.8 °C (347.0 K) is placed in a beaker containing 300…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Calculate the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4C to…

A: Heat required for raising temperature of a liquid depends on three factors namely mass of the…

Q: A chunk of lead at 91.7°C was added to 200.0 g of water at 15.5°C. The specific heat of lead is…

A:

Q: A piece of unknown metal with a mass of 26.4 g is heated to 92.2 C . When added to 50.00 mL of water…

A:

Q: A 25.64 g sample of solid was heated in a test tube to 100.00 degrees celsius in boiling water and…

A: Given : mass of solid = 25.64 g Initial temperature of solid = 100.00 oC Mass of water = 50.00 g…

Q: 4. What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature…

A: Heat required = 1050 J Initial temperature = 10.0°C Final temperature= 20.4°C Change in temperature…

Q: A 24.6 g sample of a metal is heated to 110.0°C and then placed in a coffee cup calorimeter…

A: Answer: This is the question based on energy conservation, one object is losing the heat and other…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: During calorimetry, the heat lost by the hot water (qhot) will be the sum of heat energy gained by…

Q: Commercial cold packs consist of solid ammonium nitrate and water. NH4NO3 absorbs 25.69 kJ of heat…

A: Given that: Mass of ammonium nitrate = 3.40 gMass of water = 100 gInitial temperature of solution =…

Q: In the laboratory a student finds that it takes 62.4 calories to increase the temperature of 15.0…

A: Given :-  Heat absorbed = 62.4 cal  Mass of Mg = 15.0 g  Initial temperature = 20.9 oC  final…

Q: When 1.75 g of CaCl2 dissolves in 125 g of water in a coffee-cup calorimeter, the temperature…

A:

Q: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…