Homework Clinic

Science Clinic => Chemistry => Topic started by: Destiiny22 on Nov 18, 2019

Title: How much energy is required to vaporize 158 g of butane (C4H10) at its boiling point if its vapH is ...
Post by: Destiiny22 on Nov 18, 2019

Question 1

How much energy is required to vaporize 98.6 g of ethanol (C2H5OH) at its boiling point if its ΔvapH is 40.5 kJ mol-1?
◦ 11.5 kJ
◦ 86.7 kJ
◦ 39.9 kJ
◦ 18.9 kJ
◦ 52.8 kJ

Question 2

How much energy is required to vaporize 158 g of butane (C4H10) at its boiling point if its ΔvapH is 24.3 kJ mol-1?
◦ 15.1 kJ
◦ 11.2 kJ
◦ 89.4 kJ
◦ 38.4 kJ
◦ 66.1 kJ

Title: How much energy is required to vaporize 158 g of butane (C4H10) at its boiling point if its vapH is ...
Post by: Briannahope on Nov 18, 2019

Answer 1

86.7 kJ

Answer 2

66.1 kJ

Title: Re: How much energy is required to vaporize 158 g of butane (C4H10) at its boiling point if its vapH
Post by: Dezzyy on Jun 9, 2020

thank you!