menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Which best represents a balanced equation? A. 2H₂ + O2 → 2H₂O B. 2Fe + O2 → Fe₂O3 C. HgO Hg + O₂
asked
Apr 11, 2023
2.6k
views
3
votes
Which best represents a balanced equation?
A. 2H₂ + O2 → 2H₂O
B. 2Fe + O2 → Fe₂O3
C. HgO Hg + O₂
Chemistry
high-school
Ornilo
asked
by
Ornilo
8.0k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
5
votes
My best educated opinion would be A
Adib Faramarzi
answered
Apr 16, 2023
by
Adib Faramarzi
7.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Oct 10, 2023
224k
views
7.71 Classify each of the following as exothermic or endothermic: a. CHÂ(g) + 2O₂(g) —^> CO₂(g) + 2H₂O(g) + 802 kJ b. Ca(OH)₂(s) + 65.3 kJ →→→ CaO(s) + H₂O(l) c. 2Al(s) + Fe₂O3(s) — Al₂O3(s) + 2Fe(s) +
Christiaan Herrewijn
asked
Oct 10, 2023
by
Christiaan Herrewijn
8.1k
points
Chemistry
college
1
answer
3
votes
224k
views
asked
Dec 21, 2023
156k
views
Calculate the standard enthalpy change for the reaction 2Al(s) + Fe₂O3(s) → 2Fe(s) + Al₂O3(s) given that 2Al(s) + ¾O₂(g) → Al₂O3(s) AH = -1669.8 kJ/mol 2Fe(s) + O₂(g) → Fe₂O3(s) AHxn = -822.2 kJ/mol
Altandogan
asked
Dec 21, 2023
by
Altandogan
8.4k
points
Chemistry
college
1
answer
4
votes
156k
views
asked
Jan 15, 2024
16.7k
views
Art 5: Limiting Reagents 1. How many moles of water can be produced from 2.5mols H₂ and 4.5mols O₂? 2H₂ + O2 → 2H₂O %657 16 What is the limiting reagent? What is the excess reagent? How many moles of water
Edhurtig
asked
Jan 15, 2024
by
Edhurtig
7.7k
points
Chemistry
high-school
1
answer
0
votes
16.7k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org