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

Author Question: The value of H for the reaction below is -336 kJ. Calculate the heat (kJ) released to the ... (Read 139 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Aug 27, 2018
The value of H for the reaction below is -336 kJ. Calculate the heat (kJ) released to the surroundings when 23.0 g of HCl is formed. CH4 (g) + 3Cl2 (g)  CHCl3 (l) + 3HCl (g)
 
  A) 177 kJ
  B) 2.57  103 kJ
  C) 70.7 kJ
  D) 211 kJ
  E) -336 kJ

Question 2

When the following equation is balanced, the coefficient of oxygen is ________. PbS (s) + O2 (g)  PbO (s) + SO2 (g)
 
  A) 1
  B) 3
  C) 2
  D) 4
  E) 5

Question 3

Which one of the following compounds is chromium(III) oxide?
 
  A) Cr2O3
  B) CrO3
  C) Cr3O2
  D) Cr3O
  E) Cr2O4
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Aug 27, 2018
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


@Brianna17

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Aug 27, 2018
Thank you!


aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Polymerase chain reaction (PCR) Polymerase chain reaction (PCR)
Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction
Glycine and alanine reaction Glycine and alanine reaction
The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ... The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ...
Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I
Lab: Mass Relationships in Chemical Reaction Lab: Mass Relationships in Chemical Reaction
Video: Nervous pathway to the Neuromuscular (NMJ)

For a complete list of videos, visit our video library