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Author Question: The total number of bonding electrons in a molecule of formaldehyde (H2CO) is (Read 54 times)

emoedee

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on: Nov 5, 2023

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
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by emoedee on Nov 5, 2023

ryanb

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Reply #1 on: Nov 5, 2023
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.
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emoedee

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Reply 2 on: Nov 5, 2023
Wow, this really help

bbburns21

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Reply 3 on: Yesterday
Excellent

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