A person perspires. How much liquid water (as a percentage of the mass of the person)...
A person perspires. How much liquid water (as a percentage of the mass of the person) must evaporate to lower the temperature of the person by 5° C? (Assume that the latent heat of evaporation of water is 2.5 x 106 J kg-1 and that the specific heat of the human body is 4.2 x 103 J K-1 kg-1 ).
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A person perspires. How much liquid water (as a percentage of
the mass of the person)...
How much energy (Joules) needs to be absorbed by 20kg mass of water from the environment...
How much energy (Joules) needs to be absorbed by 20kg mass of water from the environment for the water mass to completely evaporate? Latent Heat of vaporization = 2.5 *106 J/kg.
An insulated beaker with negligible mass contains liquid water with a mass of 0.350 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.350 kg and a temperature of 78.6 ∘C . How much ice (mass) at a temperature of -12.4 ∘C must be dropped into the water so that the final temperature of the system will be 25.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and a temperature of 78.7 ∘C . How much ice at a temperature of -21.2 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.315 kg and a temperature of 78.7 ∘C . How much ice at a temperature of -21.2 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and a temperature of 74.5 ∘C .How much ice at a temperature of -10.6 ∘C must be dropped into the water so that the final temperature of the system will be 35.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be...
An insulated beaker with negligible mass contains liquid water with a mass of 0.235 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.235 kg and a temperature of 63.0 ∘C. How much ice at a temperature of -16.9 ∘C must be dropped into the water so that the final temperature of the system will be 29.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be...
An insulated beaker with negligible mass contains liquid water with a mass of 0.205 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.205 kg and a temperature of 77.7 ∘C . How much ice at a temperature of -12.7 ∘C must be dropped into the water so that the final temperature of the system will be 38.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.225 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.225 kg and a temperature of 71.0 ∘C . How much ice at a temperature of -17.3 ∘C must be dropped into the water so that the final temperature of the system will be 21.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
An insulated beaker with negligible mass contains liquid water with a mass of 0.290 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.290 kg and a temperature of 63.1 ∘C . How much ice at a temperature of -15.9 ∘C must be dropped into the water so that the final temperature of the system will be 26.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K, the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be...
An insulated beaker with negligible mass contains liquid water with a mass of 0.340 kg and...
An insulated beaker with negligible mass contains liquid water with a mass of 0.340 kg and a temperature of 60.1 ∘C . How much ice at a temperature of -10.5 ∘C must be dropped into the water so that the final temperature of the system will be 24.0 ∘C ? Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to...
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