Chemistry, 05.07.2020 14:01 mzyjohnson47
Use the Born-Haber cycle to calculate the lattice energy of NaF. (Hsub for sodium is 107.5 kJ/mol, IE1 for sodium is 496 kJ/mol, EA1 for fluorine is 328 kJ/mol, the bond energy of F2 is 159 kJ/mol, Hf for NaF is 576.6 kJ/mol .) Express your answer as an integer.
Answers: 2
Chemistry, 22.06.2019 18:30, kate3887
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 23.06.2019 00:30, evelynalper08
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
Chemistry, 23.06.2019 05:00, rosezgomez97
Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.
Answers: 1
Use the Born-Haber cycle to calculate the lattice energy of NaF. (Hsub for sodium is 107.5 kJ/mol, I...
Chemistry, 24.09.2020 08:01
Mathematics, 24.09.2020 08:01