March 28, 2024, 03:59:46 PM
Forum Rules: Read This Before Posting


Topic: Algebraically combine equations  (Read 3761 times)

0 Members and 1 Guest are viewing this topic.

Offline jalen

  • Regular Member
  • ***
  • Posts: 9
  • Mole Snacks: +0/-0
Algebraically combine equations
« on: October 21, 2007, 04:28:38 PM »
Zinc sulfide reacts with oxygen gas to produce zinc oxide and sulfur dioxide.

2ZnS +3O2 --> 2ZnO + 2SO2

Write the chemical equation for the formation of the indicated number of moles of each compound from its elements. Algebraically combine these equations to obtain the given equations.

1. 2 Zn + S -->2 ZnS
2. 2 Zn + 1/2 O2 -->2 ZnO
3. 2 S +O2 -->2 SO2

(1) 2 ZnS --> 2 Zn + S (flipped equation)
(2) 2 Zn + 1/2 O2 -->2 ZnO
(3) 2 S +O2 -->2 SO2

Can you help me check if what I have so far is right and also, should there be more steps after this?

Offline AWK

  • Retired Staff
  • Sr. Member
  • *
  • Posts: 7979
  • Mole Snacks: +555/-93
  • Gender: Male
Re: Algebraically combine equations
« Reply #1 on: October 22, 2007, 01:51:01 AM »
Quote
1. 2 Zn + S -->2 ZnS
2. 2 Zn + 1/2 O2 -->2 ZnO
3. 2 S +O2 -->2 SO2

(1) 2 ZnS --> 2 Zn + S (flipped equation)
(2) 2 Zn + 1/2 O2 -->2 ZnO
(3) 2 S +O2 -->2 SO2

All above reaction are not balanced properly
AWK

Sponsored Links