Answer to Question #132590 in General Chemistry for Gisselle Medina

General Chemistry

Question #132590

Calculate the heat needed (in calories) at 100.0º C to boil 155 g of water.

Expert's answer

Heat of water vaporization 2260 kJ/kg. 1 kJ = 0.239 kcal, 2260 kJ/kg = 540.14 kcal

Q = 540.14*0.155 = 83.7217 kcal = 83721.7 cal.

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. If 1.22 kJ of heat is added to 60.0 g of water at 29.0 ◦C, what is the final temperature of the wa
2. a 2.00 g piece of copper wire was used to precipitate silver ions as silver from a solution. when th
3. Calculate the heat needed at 0∘C∘to make each of the following changes of state. Calories to me
4. Calculate the heat needed at 0∘C∘C to make each of the following changes of state. Calories to
5. find ph of buffer solution peaperd by mixing 320ml of 1.25M a weak acid ,HA( formic acid) and plus 1
6. Arizona is known to have extreme temperatures during its long summers. Jose purchased a car in Flags
7. In combustion analysis, the oxygen content of a substance is equal to the total oxygen in the CO2 an