Calorimetry
PHXI11:THERMAL PROPERTIES OF MATTER

366311 Three liquids with masses \(m_{1}, m_{2}, m_{3}\) are thoroughly mixed. If their specific heats are \(c_{1}, c_{2}, c_{3}\) and their temperatures \(T_{1}, T_{2}, T_{3}\) respectively, then the temperature of the mixture is

1 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
2 \(\dfrac{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
3 \(\dfrac{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}\)
4 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366312 An electrical heater having coil is immersed in a calorimeter containing \(360\;g\) of water at \(90^\circ C\). The coil consumes energy at the rate of \(90\;W\). The water equivalent of calorimeter and coil is \(40\;g\). The temperature of water after \(10\;\min \) is

1 \(30^\circ C\)
2 \(4.214^\circ C\)
3 \(42.14^\circ C\)
4 None of these
PHXI11:THERMAL PROPERTIES OF MATTER

366313 In defining the specific heat, temperature is represented in \(^\circ F\) instead of \(^\circ C\). Then the value of specific heat will

1 Decrease
2 Increase
3 Remain constant
4 Be converted to heat capacity
PHXI11:THERMAL PROPERTIES OF MATTER

366314 The heat capacity of a material depends upon

1 The change in temperature
2 Mass
3 Nature of substance
4 All of the above
PHXI11:THERMAL PROPERTIES OF MATTER

366315 During illness an \(80\;kg\) man ran a fever of \(102.2^\circ F\) instead of normal body temperature of \(98.6^\circ F\). Assuming that human body is mostly water, how much heat is required to raise his temperature by that amount?

1 \(100k\,cal\)
2 \(160k\,cal\)
3 \(50k\,cal\)
4 \(92k\,cal\)
PHXI11:THERMAL PROPERTIES OF MATTER

366311 Three liquids with masses \(m_{1}, m_{2}, m_{3}\) are thoroughly mixed. If their specific heats are \(c_{1}, c_{2}, c_{3}\) and their temperatures \(T_{1}, T_{2}, T_{3}\) respectively, then the temperature of the mixture is

1 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
2 \(\dfrac{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
3 \(\dfrac{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}\)
4 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366312 An electrical heater having coil is immersed in a calorimeter containing \(360\;g\) of water at \(90^\circ C\). The coil consumes energy at the rate of \(90\;W\). The water equivalent of calorimeter and coil is \(40\;g\). The temperature of water after \(10\;\min \) is

1 \(30^\circ C\)
2 \(4.214^\circ C\)
3 \(42.14^\circ C\)
4 None of these
PHXI11:THERMAL PROPERTIES OF MATTER

366313 In defining the specific heat, temperature is represented in \(^\circ F\) instead of \(^\circ C\). Then the value of specific heat will

1 Decrease
2 Increase
3 Remain constant
4 Be converted to heat capacity
PHXI11:THERMAL PROPERTIES OF MATTER

366314 The heat capacity of a material depends upon

1 The change in temperature
2 Mass
3 Nature of substance
4 All of the above
PHXI11:THERMAL PROPERTIES OF MATTER

366315 During illness an \(80\;kg\) man ran a fever of \(102.2^\circ F\) instead of normal body temperature of \(98.6^\circ F\). Assuming that human body is mostly water, how much heat is required to raise his temperature by that amount?

1 \(100k\,cal\)
2 \(160k\,cal\)
3 \(50k\,cal\)
4 \(92k\,cal\)
PHXI11:THERMAL PROPERTIES OF MATTER

366311 Three liquids with masses \(m_{1}, m_{2}, m_{3}\) are thoroughly mixed. If their specific heats are \(c_{1}, c_{2}, c_{3}\) and their temperatures \(T_{1}, T_{2}, T_{3}\) respectively, then the temperature of the mixture is

1 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
2 \(\dfrac{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
3 \(\dfrac{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}\)
4 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366312 An electrical heater having coil is immersed in a calorimeter containing \(360\;g\) of water at \(90^\circ C\). The coil consumes energy at the rate of \(90\;W\). The water equivalent of calorimeter and coil is \(40\;g\). The temperature of water after \(10\;\min \) is

1 \(30^\circ C\)
2 \(4.214^\circ C\)
3 \(42.14^\circ C\)
4 None of these
PHXI11:THERMAL PROPERTIES OF MATTER

366313 In defining the specific heat, temperature is represented in \(^\circ F\) instead of \(^\circ C\). Then the value of specific heat will

1 Decrease
2 Increase
3 Remain constant
4 Be converted to heat capacity
PHXI11:THERMAL PROPERTIES OF MATTER

366314 The heat capacity of a material depends upon

1 The change in temperature
2 Mass
3 Nature of substance
4 All of the above
PHXI11:THERMAL PROPERTIES OF MATTER

366315 During illness an \(80\;kg\) man ran a fever of \(102.2^\circ F\) instead of normal body temperature of \(98.6^\circ F\). Assuming that human body is mostly water, how much heat is required to raise his temperature by that amount?

1 \(100k\,cal\)
2 \(160k\,cal\)
3 \(50k\,cal\)
4 \(92k\,cal\)
PHXI11:THERMAL PROPERTIES OF MATTER

366311 Three liquids with masses \(m_{1}, m_{2}, m_{3}\) are thoroughly mixed. If their specific heats are \(c_{1}, c_{2}, c_{3}\) and their temperatures \(T_{1}, T_{2}, T_{3}\) respectively, then the temperature of the mixture is

1 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
2 \(\dfrac{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
3 \(\dfrac{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}\)
4 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366312 An electrical heater having coil is immersed in a calorimeter containing \(360\;g\) of water at \(90^\circ C\). The coil consumes energy at the rate of \(90\;W\). The water equivalent of calorimeter and coil is \(40\;g\). The temperature of water after \(10\;\min \) is

1 \(30^\circ C\)
2 \(4.214^\circ C\)
3 \(42.14^\circ C\)
4 None of these
PHXI11:THERMAL PROPERTIES OF MATTER

366313 In defining the specific heat, temperature is represented in \(^\circ F\) instead of \(^\circ C\). Then the value of specific heat will

1 Decrease
2 Increase
3 Remain constant
4 Be converted to heat capacity
PHXI11:THERMAL PROPERTIES OF MATTER

366314 The heat capacity of a material depends upon

1 The change in temperature
2 Mass
3 Nature of substance
4 All of the above
PHXI11:THERMAL PROPERTIES OF MATTER

366315 During illness an \(80\;kg\) man ran a fever of \(102.2^\circ F\) instead of normal body temperature of \(98.6^\circ F\). Assuming that human body is mostly water, how much heat is required to raise his temperature by that amount?

1 \(100k\,cal\)
2 \(160k\,cal\)
3 \(50k\,cal\)
4 \(92k\,cal\)
PHXI11:THERMAL PROPERTIES OF MATTER

366311 Three liquids with masses \(m_{1}, m_{2}, m_{3}\) are thoroughly mixed. If their specific heats are \(c_{1}, c_{2}, c_{3}\) and their temperatures \(T_{1}, T_{2}, T_{3}\) respectively, then the temperature of the mixture is

1 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
2 \(\dfrac{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}{m_{1} c_{1}+m_{2} c_{2}+m_{3} c_{3}}\)
3 \(\dfrac{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}{c_{1} T_{1}+c_{2} T_{2}+c_{3} T_{3}}\)
4 \(\dfrac{m_{1} c_{1} T_{1}+m_{2} c_{2} T_{2}+m_{3} c_{3} T_{3}}{m_{1} T_{1}+m_{2} T_{2}+m_{3} T_{3}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366312 An electrical heater having coil is immersed in a calorimeter containing \(360\;g\) of water at \(90^\circ C\). The coil consumes energy at the rate of \(90\;W\). The water equivalent of calorimeter and coil is \(40\;g\). The temperature of water after \(10\;\min \) is

1 \(30^\circ C\)
2 \(4.214^\circ C\)
3 \(42.14^\circ C\)
4 None of these
PHXI11:THERMAL PROPERTIES OF MATTER

366313 In defining the specific heat, temperature is represented in \(^\circ F\) instead of \(^\circ C\). Then the value of specific heat will

1 Decrease
2 Increase
3 Remain constant
4 Be converted to heat capacity
PHXI11:THERMAL PROPERTIES OF MATTER

366314 The heat capacity of a material depends upon

1 The change in temperature
2 Mass
3 Nature of substance
4 All of the above
PHXI11:THERMAL PROPERTIES OF MATTER

366315 During illness an \(80\;kg\) man ran a fever of \(102.2^\circ F\) instead of normal body temperature of \(98.6^\circ F\). Assuming that human body is mostly water, how much heat is required to raise his temperature by that amount?

1 \(100k\,cal\)
2 \(160k\,cal\)
3 \(50k\,cal\)
4 \(92k\,cal\)