Calculate the energy needed to boil 4 moles of water beginning at 85C into steam with a final temperature of 100-C. Boiling point of water = 100°C
specific heat of water = 4.184 J/g*C
Enthalpy of vaporization of water = +40.7 kJ/mol

84 kJ
163 kJ
168 kJ

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.