This topic contains a solution. Click here to go to the answer

Author Question: The total number of bonding electrons in a molecule of formaldehyde (H2CO) is (Read 12 times)

emoedee

  • Full Member
  • ***
  • Posts: 156

Question 1

The standard enthalpy of formation of ammonia at 25°C is –46.3 kJ/mol.  Estimate the N–H bond enthalpy at this temperature.
         (Given:  BE(N≡N)=941.4 kJ/mol, BE(H–H) = 436.4 kJ/mol)
◦ 360 kJ/mol
◦ 383 kJ/mol
◦ 391 kJ/mol
◦ 459 kJ/mol
◦ 475 kJ/mol

Question 2

The total number of bonding electrons in a molecule of formaldehyde (H2CO) is
◦ 3
◦ 4
◦ 6
◦ 8
◦ 18


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by emoedee on Nov 5, 2023

ryanb

  • Full Member
  • ***
  • Posts: 164
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




emoedee

  • Member
  • Posts: 156
Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review


vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Excellent

 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

For a complete list of videos, visit our video library