Calorimetry
PHXI11:THERMAL PROPERTIES OF MATTER

366333 If water at \(0^\circ C\), kept in a container with an open top, is placed in a large evacuated chamber,

1 Part of the water will vaporise and the rest will freeze
2 All the water will vaporize
3 Ice, water and water vapour will be formed and reach equilibrium at the triple point
4 All the water will freeze
PHXI11:THERMAL PROPERTIES OF MATTER

366334 Work done in converting \(1\;g\) of ice at \(-10^\circ C\) into steam at \(100^\circ C\) is

1 \(6\;J\)
2 \(3045\;J\)
3 \(6056\;J\)
4 \(721\;J\)
PHXI11:THERMAL PROPERTIES OF MATTER

366335 A small quantity, mass \(m\), of water at a temperature \(\theta \left( {in\,^\circ C} \right)\) is poured on to a larger mass \(M\) of ice which is at its melting point. If \(c\) is the specific heat capacity of water and \(L\) the latent heat of fusion of ice, then the mass of ice melted is given by

1 \(\dfrac{m c \theta}{L}\)
2 \(\dfrac{m c \theta}{M L}\)
3 \(\dfrac{M c \theta}{L}\)
4 \(\dfrac{M L}{m c \theta}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366336 In an energy recycling process, \(X\) gram of steam at \(100^\circ C\) becomes water at \(100^\circ C\) which converts \(Y\) gram of ice at \(0^\circ C\) into water at \(100^\circ C.\) The ratio of \(X\) and \(Y\) will be

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

366333 If water at \(0^\circ C\), kept in a container with an open top, is placed in a large evacuated chamber,

1 Part of the water will vaporise and the rest will freeze
2 All the water will vaporize
3 Ice, water and water vapour will be formed and reach equilibrium at the triple point
4 All the water will freeze
PHXI11:THERMAL PROPERTIES OF MATTER

366334 Work done in converting \(1\;g\) of ice at \(-10^\circ C\) into steam at \(100^\circ C\) is

1 \(6\;J\)
2 \(3045\;J\)
3 \(6056\;J\)
4 \(721\;J\)
PHXI11:THERMAL PROPERTIES OF MATTER

366335 A small quantity, mass \(m\), of water at a temperature \(\theta \left( {in\,^\circ C} \right)\) is poured on to a larger mass \(M\) of ice which is at its melting point. If \(c\) is the specific heat capacity of water and \(L\) the latent heat of fusion of ice, then the mass of ice melted is given by

1 \(\dfrac{m c \theta}{L}\)
2 \(\dfrac{m c \theta}{M L}\)
3 \(\dfrac{M c \theta}{L}\)
4 \(\dfrac{M L}{m c \theta}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366336 In an energy recycling process, \(X\) gram of steam at \(100^\circ C\) becomes water at \(100^\circ C\) which converts \(Y\) gram of ice at \(0^\circ C\) into water at \(100^\circ C.\) The ratio of \(X\) and \(Y\) will be

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

366333 If water at \(0^\circ C\), kept in a container with an open top, is placed in a large evacuated chamber,

1 Part of the water will vaporise and the rest will freeze
2 All the water will vaporize
3 Ice, water and water vapour will be formed and reach equilibrium at the triple point
4 All the water will freeze
PHXI11:THERMAL PROPERTIES OF MATTER

366334 Work done in converting \(1\;g\) of ice at \(-10^\circ C\) into steam at \(100^\circ C\) is

1 \(6\;J\)
2 \(3045\;J\)
3 \(6056\;J\)
4 \(721\;J\)
PHXI11:THERMAL PROPERTIES OF MATTER

366335 A small quantity, mass \(m\), of water at a temperature \(\theta \left( {in\,^\circ C} \right)\) is poured on to a larger mass \(M\) of ice which is at its melting point. If \(c\) is the specific heat capacity of water and \(L\) the latent heat of fusion of ice, then the mass of ice melted is given by

1 \(\dfrac{m c \theta}{L}\)
2 \(\dfrac{m c \theta}{M L}\)
3 \(\dfrac{M c \theta}{L}\)
4 \(\dfrac{M L}{m c \theta}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366336 In an energy recycling process, \(X\) gram of steam at \(100^\circ C\) becomes water at \(100^\circ C\) which converts \(Y\) gram of ice at \(0^\circ C\) into water at \(100^\circ C.\) The ratio of \(X\) and \(Y\) will be

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

366333 If water at \(0^\circ C\), kept in a container with an open top, is placed in a large evacuated chamber,

1 Part of the water will vaporise and the rest will freeze
2 All the water will vaporize
3 Ice, water and water vapour will be formed and reach equilibrium at the triple point
4 All the water will freeze
PHXI11:THERMAL PROPERTIES OF MATTER

366334 Work done in converting \(1\;g\) of ice at \(-10^\circ C\) into steam at \(100^\circ C\) is

1 \(6\;J\)
2 \(3045\;J\)
3 \(6056\;J\)
4 \(721\;J\)
PHXI11:THERMAL PROPERTIES OF MATTER

366335 A small quantity, mass \(m\), of water at a temperature \(\theta \left( {in\,^\circ C} \right)\) is poured on to a larger mass \(M\) of ice which is at its melting point. If \(c\) is the specific heat capacity of water and \(L\) the latent heat of fusion of ice, then the mass of ice melted is given by

1 \(\dfrac{m c \theta}{L}\)
2 \(\dfrac{m c \theta}{M L}\)
3 \(\dfrac{M c \theta}{L}\)
4 \(\dfrac{M L}{m c \theta}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366336 In an energy recycling process, \(X\) gram of steam at \(100^\circ C\) becomes water at \(100^\circ C\) which converts \(Y\) gram of ice at \(0^\circ C\) into water at \(100^\circ C.\) The ratio of \(X\) and \(Y\) will be

1 \(\dfrac{1}{3}\)
2 \(\dfrac{2}{3}\)
3 3
4 2