Water at temperature `100^0C` coos in 10 minutes `80^0C` in a room of temperature `25^0C` . Find The temperature of water after 20 minutes The time when the temperature is `40^0C` [Given: `(log)_e(11)/(15)=-0. 3101 ,log5=1. 6094` ]

Water at temperature 100^@C cools in 10 minutes to 80^@C in a room of temperature 25^@C . Find (i) The temperature of water after 20 minutes (ii) The time when the temperature is 40^@C [Given: (log)_e(11)/(15)=-0. 3101 ,log5=1. 6094 ]

At 0 degree C soil temperature the rate of water absorption

A body cools in 10 minutes from 60^(@)C to 40^(@)C . What is the temperature of the body after next 20 minutes? The temperatuer fo surroundings is 10^(@)C

A body cools in 10 minutes from 60^@C to 40^@C . What will be its temperature after next 10 minutes? The temperature of the surroundings is 10^@C .

At a certain temperature , K_(w) of water is 9.0 xx 10^(-14) . The pH of water at this temperature is

The temperature gradient in a rod of 0.5 m length is 80^(@)C//m . It the temperature of hotter end of the rod is 30^(@)C , then the temperature of the cooler end is

Equal masses of ice (at 0^@C) and water are in contact. Find the temperature of water needed to just melt the complete ice.

15 g ice at 0^@C is mixed with 10 g water at 40^@C . Find the temperature of mixture. Also, find mass of water and ice in the mixture.

A metallic sphere cools from 50^(@)C to 40^(@)C in 300 seconds. If the room temperature is 20^(@)C then its temperature in next 5 minutes will be -

A body colls in 7 minutes fro 60^(@)C to 40^(@)C . What will be its temperature after the next 7 minutes? The temperature of the surroundings is 10^(@)C .