Podcast
Questions and Answers
In calorimetry, a system is said to be isolated if ____________.
In calorimetry, a system is said to be isolated if ____________.
What is the purpose of the outer jacket in a calorimeter?
What is the purpose of the outer jacket in a calorimeter?
Which gas has the highest molar specific heat capacity among the listed gases?
Which gas has the highest molar specific heat capacity among the listed gases?
What is the principle used when determining the specific heat capacity of a solid using calorimetry?
What is the principle used when determining the specific heat capacity of a solid using calorimetry?
Signup and view all the answers
Which material has the highest specific heat capacity among ice, glass, iron, kerosene, edible oil, and mercury?
Which material has the highest specific heat capacity among ice, glass, iron, kerosene, edible oil, and mercury?
Signup and view all the answers
What is the function of the metallic vessel in a calorimeter?
What is the function of the metallic vessel in a calorimeter?
Signup and view all the answers
What type of system is described in the text when a copper calorimeter containing hot water is placed inside a double-walled vessel?
What type of system is described in the text when a copper calorimeter containing hot water is placed inside a double-walled vessel?
Signup and view all the answers
According to the information provided, why is the graph of log e (T2–T1) against time a straight line with a negative slope?
According to the information provided, why is the graph of log e (T2–T1) against time a straight line with a negative slope?
Signup and view all the answers
What is the significance of Eq. 10.22 mentioned in the text?
What is the significance of Eq. 10.22 mentioned in the text?
Signup and view all the answers
In Example 10.8, when a pan filled with hot food cools from 94 °C to 86 °C in 2 minutes, what is the average temperature change per minute?
In Example 10.8, when a pan filled with hot food cools from 94 °C to 86 °C in 2 minutes, what is the average temperature change per minute?
Signup and view all the answers
What role does the specific heat capacity constant 'K' play in the cooling process described in Example 10.8?
What role does the specific heat capacity constant 'K' play in the cooling process described in Example 10.8?
Signup and view all the answers
What is the primary factor that allows heat to flow according to the text provided?
What is the primary factor that allows heat to flow according to the text provided?
Signup and view all the answers
What is the specific heat capacity of water in J kg^-1 K^-1?
What is the specific heat capacity of water in J kg^-1 K^-1?
Signup and view all the answers
What is the specific heat capacity of copper in J kg^-1 K^-1?
What is the specific heat capacity of copper in J kg^-1 K^-1?
Signup and view all the answers
In calorimetry, what principle states that the heat lost by one object equals the heat gained by another?
In calorimetry, what principle states that the heat lost by one object equals the heat gained by another?
Signup and view all the answers
What is the specific heat capacity of the aluminium sphere in kJ kg^-1 K^-1?
What is the specific heat capacity of the aluminium sphere in kJ kg^-1 K^-1?
Signup and view all the answers
What is the change in temperature (∆T2) of the water and calorimeter in degrees Celsius?
What is the change in temperature (∆T2) of the water and calorimeter in degrees Celsius?
Signup and view all the answers
What is meant by a 'change of state' in thermodynamics?
What is meant by a 'change of state' in thermodynamics?
Signup and view all the answers