Consider a classroom that is roughly `5mxx10mxx3m`. Initially `T=27^(@)`C and p=1 atm. There are 50 people in a insulated class losing energy to the room at the average rate of 150 Watt per person. How long can they remain in class if the body temperature is `42^(@)` C and person feels uncomfortable above this temperature. Heat capacity of air=`(7//2)R`

Consider a class room of dimensions 5xx10xx3m^3 at temperature 20^@C and pressure 1 atm. There are 50 peoples in the room, each losing energy at the average of 150 watt. Assuming that the walls, ceiling, floor and furniture perfectly insulated and none of them absorbing heat: The time needed for rising the temperature of air in the room to body temperature, i.e., 37^@C will be (For air C_P =7R/2 . Loss of air to the outside as the temperature rises may be neglected)

Consider a class room of dimensions 5 xx 10 xx 3 m^(3) at atemperature 20^(@)C and pressure 1 atm. There are 50 people in the room, each losing energy at an average of 150 watt. Assuming that walls ceiling, floor and furniture are perfectly insulated and none of them absorb heat, what time (in seconds) will be needed for rising the temperature of air in the room to body temperature i.e., 37^(@)C ? (For air C_(P) = (7)/(2)R . Loss of air to outside as the temperature rises may be neglected).

Consider a class room of dimensions 5 xx 10 xx 3 m^(3) at atemperature 20^(@)C and pressure 1 atm. There are 50 people in the room, each losing energy at an average of 150 watt. Assuming that walls ceiling, floor and furniture are perfectly insulated and none of them absorb heat, what time (in seconds) will be needed for rising the temperature of air in the room to body temperature i.e., 37^(@)C ? (For air C_(P) = (7)/(2)R . Loss of air to outside as the temperature rises may be neglected).

Consider a class room of dimesions 5 xx 10 xx 3m^(3) at temperature 20^(@)C and pressure 1 atm . There are 20 peoples in the room, each losing energy at the average of 150W . Assuming that the walls, ceiling, floor, and furniture perfectly insulated and none of them absorbing heat, how much time will be needed for rising the temperature of air in the room to body temperature, i.e., 37^(@)C ? For air C_(P) = (7)/(2)R . Loss of air to outside as the temperature rises may be neglected.

50 students sitting in the room of 5 xx 10 xx 3m^(3) dimensions. The air inside the room is at 27^(@)C and 1atm pressure. If each student loses 100 watt heat per second assuming the walls, ceiling floor, and all the material present inside the room is perfectly insulated as well as neglecting loss of air to the outside as the temperature is raised, how much rise in temperature will be noticed in 10min ? Given C_(P) = (7)/(2)R for air.

50 students sitting in the room of 5 xx 10 xx 3m^(3) dimensions. The air inside the room is at 27^(@)C and 1atm pressure. If each student loses 100 watt heat per second assuming the walls, ceiling floor, and all the material present inside the room is perfectly insulated as well as neglecting loss of air to the outside as the temperature is raised, how much rise in temperature will be noticed in 10min ? Given C_(P) = (7)/(2)R for air.

Photosysthesis si a bio process by which plants make energy rich molecules from low energy molecules with the help of energy from sunlight . The photosysthesis of glucose can be represented as: 6CO_(2(g))+ 6H_(2)O_(g) + hv rarr C_(5)H_(12)O_(6(s)) + 6O_(2)(g)..........(i) The energy of one mole of a photon of wave lenght is known as one Einstein. A glucose fuel cell was designed to generate 4000 Watts which was used to heat of 5mxx 5mxx 3m dimensions . The room is perfectly insulated and no heat flows out of the room Calculate the time needed to increase the temperature of the room by 20^(@)C , if the room was initially at 10^(@)C and 1 atm pressure . Assume that the air in the room behaves like an ideal gas and its molar heat capacity is 2.5R.

Photosysthesis si a bio process by which plants make energy rich molecules from low energy molecules with the help of energy from sunlight . The photosysthesis of glucose can be represented as: 6CO_(2(g))+ 6H_(2)O_(g) + hv rarr C_(5)H_(12)O_(6(s)) + 6O_(2)(g)..........(i) The energy of one mole of a photon of wave lenght is known as one Einstein. A glucose fuel cell was designed to generate 4000 Watts which was used to heat of 5mxx 5mxx 3m dimensions . The room is perfectly insulated and no heat flows out of the room Calculate the time needed to increase the temperature of the room by 20^(@)C , if the room was initially at 10^(@)C and 1 atm pressure . Assume that the air in the room behaves like an ideal gas and its molar heat capacity is 2.5R.