menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Calculate the number of molecules of hydrogen that are required to completely react with 75.9L of oxygen at STP. The product of this reaction is water. Show all work including b…
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Calculate the number of molecules of hydrogen that are required to completely react with 75.9L of oxygen at STP. The product of this reaction is water. Show all work including b…
asked
Jul 9, 2018
131k
views
5
votes
Calculate the number of molecules of hydrogen that are required to completely react with 75.9L of oxygen at STP. The product of this reaction is water. Show all work including balanced equation.
Chemistry
high-school
Simmons
asked
by
Simmons
8.3k
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
5
votes
= 40,68·10²³ molecules
Hope this helps!
Scooter Morris
answered
Jul 10, 2018
by
Scooter Morris
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
3
votes
2H₂ + O₂ = 2H₂O
n(O₂)=V/Vm, V-volume, Vm=22,4 dm³/mol at standard condition.
n(O₂)=75,9 dm³/22,4dm³/mol=3,39 mol
n(O₂):n(H₂)=1:2, n(H₂)=6,78 mol
N=n·Na(Avogadro number), N(H₂)=6,78 mol·6·²³ 1/mol = 40,68·10²³ molecules
Eugene Tartakovsky
answered
Jul 13, 2018
by
Eugene Tartakovsky
8.3k
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
Jul 5, 2019
78.5k
views
How many copper will react with 33.9l of nitrogen stp produce copper nitride
MarcinR
asked
Jul 5, 2019
by
MarcinR
8.6k
points
Chemistry
college
1
answer
2
votes
78.5k
views
asked
Jan 24, 2023
53.1k
views
Use the balanced equation to solve the problem.2H₂O → 2H₂ + O₂40.9L O₂ gas are made when water decomposes at STP.What mass of H₂O reacted?g
Vishwa Ratna
asked
Jan 24, 2023
by
Vishwa Ratna
8.2k
points
Chemistry
college
1
answer
2
votes
53.1k
views
asked
Nov 13, 2022
117k
views
50POINTS! Using the ideal gas law (PV=nRT) solve for the missing. Variable. R= 0.08206atm*L/mol*k If 22.9L of an ideal gas was collected at STP. How many moles of the gas were present? A. 1.02 moles B.
Uli Kunkel
asked
Nov 13, 2022
by
Uli Kunkel
8.1k
points
Chemistry
college
1
answer
18
votes
117k
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
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
Compare and contrast an electric generator and a battery??
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
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org