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

Author Question: At constant pressure, the combustion of 20.0 g of C2H6(g) releases 1036 kJ of heat. What is H for ... (Read 58 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Jul 8, 2021

Question 1

At 1.0133 bar, the heat of sublimation of gallium is 277 kJ mol-1 and the heat of vaporization is 271 kJ mol-1. To the correct number of significant figures, how much heat is required to melt 5.50 mol of gallium at 1.0133 bar?
◦ 6 kJ
◦ 33 kJ
◦ 244 kJ
◦ 274 kJ

Question 2

At constant pressure, the combustion of 20.0 g of C2H6(g) releases 1036 kJ of heat. What is ΔH for the reaction given below?

2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)

◦ -173 kJ mol-1
◦ -779 kJ mol-1
◦ -1560 kJ mol-1
◦ -3115 kJ mol-1
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Chelseaamend on Jul 8, 2021

lorealeza

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 8, 2021
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 25% of students answer this correctly


Chelseaamend

  • Member
  • Posts: 545
Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

continuous combustion gas turbine continuous combustion gas turbine
human skin and pressure points human skin and pressure points
Primary factors affecting blood pressure Primary factors affecting blood pressure
Pressure sores. Pressure sores.
Mechanisms of Heat Transfer Mechanisms of Heat Transfer
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10 The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library