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 of the following is an unbalanced equation? A. CaCO3 --> CaO + CO2 B. PbO2 + 2H2-->2Pb + H2O C. CS2 + 2O2 --> CO2 + 2SO2
asked
Apr 8, 2022
79.9k
views
24
votes
Which of the following is an unbalanced equation?
A. CaCO3 --> CaO + CO2
B. PbO2 + 2H2-->2Pb + H2O
C. CS2 + 2O2 --> CO2 + 2SO2
Chemistry
middle-school
Cem Kalyoncu
asked
by
Cem Kalyoncu
9.3k
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.
2
Answers
14
votes
It is B. Pb02 + 2H2
Nivetha
answered
Apr 10, 2022
by
Nivetha
7.8k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
1
vote
Answer:
B. PbO2 + 2H2-->2Pb + H2O
Step-by-step explanation:
Karim Sonbol
answered
Apr 13, 2022
by
Karim Sonbol
7.4k
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
Feb 4, 2022
137k
views
20 Which of the following is an unbalanced equation?* (1 Point) a. CaCO3 --> CaO + CO2 O b. 2PbO 2 + 2H 2 -->2Pb +2H2O O c. 2Na+ 2H 2 O-->2NASH + H 2 d. CS 2 + 20 2 --> CO 2 + 250 2
Pollitzer
asked
Feb 4, 2022
by
Pollitzer
8.4k
points
Chemistry
high-school
1
answer
4
votes
137k
views
asked
Aug 1, 2019
193k
views
Which of the following equations violates the law of conservation of mass? A. FeCl3 + 3NaOH yields Fe(OH)3 + 3NaCl B. CS2 + 3O2 yields CO2 + 2SO2 C. Mg(ClO3)2 yields MgCl2 + 2O2 D. Zn + H2SO4 yields H2
Ganesh Bavaskar
asked
Aug 1, 2019
by
Ganesh Bavaskar
8.1k
points
Chemistry
college
1
answer
0
votes
193k
views
asked
Apr 17, 2018
186k
views
Which of the following reactions represents an exothermic reaction? NH3(g) + 12.0 kcal → ½N2(g) + 3/2H2(g) CH4 + 2O2 → CO2 + 2H2O + 212,800 cal C + 2S → CS2, ΔH = 27,550 cal C(graphite) → C(diamond), ΔH
WorkSmarter
asked
Apr 17, 2018
by
WorkSmarter
8.5k
points
Chemistry
high-school
2
answers
3
votes
186k
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
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
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org