Log in
Chemistry
0
answers
0
watching
158
views
26 Nov 2019

The heat of combustion of hydrogen gas is: 2H2 + O2 ------> 2H2Odelta a H for this reaction is -285.8 kj how many grams of hydrogenmust be burned to provide enough heat to raise temperature of 850ml of water from 35. to 82 C? is the reaction exothermic?

Watch
0
answers
0
watching
158
views

For unlimited access to Homework Help, a Homework+ subscription is required.

discord banner image
Join us on Discord
Chemistry Study Group
Join now

Related textbook solutions

Basic Chemistry
5 Edition,
Timberlake
ISBN: 9780134138046
Principles of Chemistry Molecular Approach
4th Edition,
Tro
ISBN: 9780134112831
Chemistry: Structure and Properties
2nd Edition,
Tro
ISBN: 9780134293936
Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944
Chemistry: A Molecular Approach
3rd Edition,
Tro
ISBN: 9780321809247
Chemistry: A Molecular Approach
5th Edition,
Tro
ISBN: 9780134874371
Principles of Chemistry: A Molecular Approach
4th Edition,
Tro
ISBN: 9780134895741
Chemistry: The Central Science
14th Edition, 2017
Brown
ISBN: 9780134414232

Related questions


The combustion of methane (the chief component of natural gas)follows the equation: CH4(g) + 2O2(g) --->CO2(g) + 2H2O(g) deltaH for this reaction is -802.3 kJ. How many grams of methane must beburned to provide enough heat to raise the temperature of 201.4 mLof water from 15.20

The enthalpy change for the reaction of hydrogen gas and oxygen gas to produce water is -285.8 kJ per mole of water formed.

Is the reaction exothermic or exothermic?

Is energy absorbed by the system or released by the system?

Calculate the enthalpy change for this reaction in kcal/mol

Weekly leaderboard

Home
Homework Help 3,900,000
Chemistry 830,000
Start filling in the gaps now
Log in