menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
7. Of the balanced chemical equations below, which one most correctly represents a combustion reaction? a. CaO + H20 Ca(OH) 2 b. CH4 + 202 CO2 + 2H2O c. 2 Mg + O202 Mgo d. 2 N2 + 3H22 NH 3
asked
Nov 5, 2022
175k
views
5
votes
7. Of the balanced chemical equations below, which one most correctly represents a
combustion reaction?
a. CaO + H20 Ca(OH) 2
b. CH4 + 202 CO2 + 2H2O
c. 2 Mg + O202 Mgo
d. 2 N2 + 3H22 NH 3
Chemistry
college
BastianW
asked
by
BastianW
7.3k
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
4
votes
B. CH4 + 2O2 —> CO2 + 2H2O
Combustion reactions produce carbon dioxide and water by reacting a hydrocarbon with oxygen.
Jackee
answered
Nov 11, 2022
by
Jackee
8.5k
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
Aug 17, 2024
120k
views
Of the reactions below, which one is not a combination reaction? A. 2 CH4 + 4 O2 --> 2 CO2 + 4 H20 B. 2 N2 + 3 H2 --> 2 NH3 C. CaO + H2O --> Ca(OH)2 D. C + O2 --> CO2 E. 2 Mg + O2 --> 2 Mgo
Nebs
asked
Aug 17, 2024
by
Nebs
8.2k
points
Chemistry
high-school
1
answer
1
vote
120k
views
asked
Oct 12, 2021
177k
views
Which of the following are decomposition reactions? * 1. CH4 (g) + O2(g) → CO2 (g) + H20 (1) 2. Cao (s) + CO2(g) → CaCO3 (s) 3. Mg (s) + O2 (g) – Mgo (s) 4. POCO3 (s) – Pbo (s) + CO> (9)
Terence Simpson
asked
Oct 12, 2021
by
Terence Simpson
8.6k
points
Chemistry
middle-school
1
answer
5
votes
177k
views
asked
Feb 1, 2024
189k
views
Which of the following reactions are endothermic? A. CaCO3 --> CaO + CO2 ΔH=+178kJΔH=+178kJ B. Mg + O2 --> MgO ΔH=−602kJΔH=−602kJ C. AgCl(s) + Heat --> Ag+(aq) + Cl- (aq) D. CH4 + 2O2 --> CO2 + 2H2O +
Pavel Petrashov
asked
Feb 1, 2024
by
Pavel Petrashov
8.7k
points
Chemistry
high-school
1
answer
0
votes
189k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
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