A patient came to the emergence room with severe scalding. The patient had boili
ID: 988743 • Letter: A
Question
A patient came to the emergence room with severe scalding. The patient had boiling water at 100.C spilled on him, and the water cooled to 89C after coming into contact with patient. The nurse remembered her general chemistry class an wondered how much water was spilled on the patient. She estimated that 50. kJ of energy was lost by the water and transferred to the patient by severity of the burns. What is the mass of water in grams which the nurse calculated? (The specific heat of water is 4.184 J/gC.)
Explanation / Answer
q = m*s*DT
50*10^3 = m*4.18*(100-89)
m = mass of water spilled = 1087.43 grams
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