Answer to Question #181425 in General Chemistry for Mine

Question #181425

1. What is the heat (q) needed by water with molar heat of vaporization of 36 kJ if it is 40.0 g in mass and boils at 105°C? Note that the molar mass of water is 18.0 g/mol.

Expert's answer

"Moles = \\frac{40}{18}=2.2 moles"

Heat of Vap"= 105\u00d72.2\u00d736=184.2kj"

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. 1. Crystalline solids have a definite shape with orderly arranged ions, molecules and atoms in a thr
2. Balance the reaction below using the change in oxidation number method.1. Al + HCl = AlCl3 + H2
3. 1) What are the step by step procedures used in stoichiometric calculations for reactions in solutio
4. Solve the given problem 3 HCI + AI(OH)3 --> 3 H2O AICI31) How many grams og aluminum hydroxide w
5. Solve the given problem, Be sure to show your complete solution. 3Cu + 8HNO3 --> 3Cu(NO3)2 + 4
6. Solve the following word problem using the given handouts.1) How many grams of calcium phosphate can
7. 1. What will happen if we accidentally add water to acid? Explain why?2. Why is it important to unde