This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Pentaborane B5H9(s) burns vigorously in O2 to give B2O3(s) and H2O(l). Calculate Hrxn for the ... (Read 21 times)

Facerro

  • Full Member
  • ***
  • Posts: 139
on: Nov 5, 2023
Pentaborane B5H9(s) burns vigorously in O2 to give B2O3(s) and H2O(l). Calculate ΔHrxn for the combustion of 5.00 mol of B5H9.
         ΔH°f[B2O3(s)] = –1,273.5 kJ/mol
         ΔH°f[B5H9(s)] = 73.2 kJ/mol
         ΔH°f[H2O(l)] = –285.8 kJ/mol
◦ – 45,400 kJ
◦ 45,400 kJ
◦ – 22,700 kJ
◦ – 9,090 kJ
◦ – 8,790 kJ
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

Sha

  • Full Member
  • ***
  • Posts: 179
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.
Answer Preview
Only 58% of students answer this correctly


Facerro

  • Member
  • Posts: 139
Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

How do men who work in traditionally feminine nurturng jobs and women who work in jobs that give ... How do men who work in traditionally feminine nurturng jobs and women who work in jobs that give ...
How to calculate present value (Question 4) How to calculate present value (Question 4)
Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a
Calculate the molar solubility of CaF2 in a solution containing 0.250 M Ca(NO3)2. Calculate the molar solubility of CaF2 in a solution containing 0.250 M Ca(NO3)2.
Calculate the magnitude and direction of the resultant for Calculate the magnitude and direction of the resultant for
Calculate the accumulated value of monthly payments of $100.00 made at the end of each month ... Calculate the accumulated value of monthly payments of $100.00 made at the end of each month ...
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library