Calorimetry & Change of State: JEE Questions & Solutions

A gas based geyser heats water flowing at the rate of 5.0 litres per minute from 27^° C to 87^° C. The rate of consumption of the gas is…

Which of the following best represents the temperature versus heat supplied graph for water, in the range of -20^° C to 120^° C?

10 \, \text{kg} of ice at -10^° C is added to 100 \, \text{kg} of water to lower its temperature from 25^° C. Consider no heat exchange to…

An amount of ice of mass 10⁻³ kg and temperature -10^° C is transformed to vapor of temperature 110^° C by applying heat. The total amount…

A gun fires a lead bullet of temperature 300 K into a wooden block. The bullet having melting temperature of 600 K penetrates into the…

Water falls from a height of 200 m into a pool. Calculate the rise in temperature of the water assuming no heat dissipation from the water…

Heat energy of 184 kJ is given to ice of mass 600 g at -12^° C. Specific heat of ice is 2222.3 J kg⁻¹ ^°C⁻¹ and latent heat of ice is 336…

A water heater of power 2000 W is used to heat water. The specific heat capacity of water is 4200 J kg⁻¹ K⁻¹. The efficiency of the heater…