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Question 11 Incorrect Mark 0.00 out of 2.00 Flag question What is the change in energy in KJ if 9.250 grams of Methanol
Posted: Thu Jun 30, 2022 6:18 pm
by answerhappygod
- Question 11 Incorrect Mark 0 00 Out Of 2 00 Flag Question What Is The Change In Energy In Kj If 9 250 Grams Of Methanol 1 (45.4 KiB) Viewed 61 times
Question 11 Incorrect Mark 0.00 out of 2.00 Flag
question What is the change in energy in KJ if 9.250 grams of Methanol CH3OH cools from 90.0 °C to -50.0 °C? (3 sig fig) Boiling Pt. 65.0 °C Melting Pt. -94.0 °C Enthalpy of Vaporization 37.0 KJ/mol Enthalpy of Fusion 3.18 kJ/mol Cp (l) 2.53 J / (g°C) Cp (s) 1.37J/(g°C) Cp (g) 1.52J/(g°C) Answer: -13.2 X