menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Hess's law is based on what principle? A) conservation of mass B) conservation of energy C) conservation of entropy D) conservation of neutrality
asked
Aug 5, 2019
180k
views
0
votes
Hess's law is based on what principle?
A) conservation of mass
B) conservation of energy
C) conservation of entropy
D) conservation of neutrality
Chemistry
high-school
Tom Stock
asked
by
Tom Stock
7.0k
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
7
votes
Answer is
B
, (Conservation of energy).
According to Hesss Law," For a chemical reaction the enthalpy change is independent of the path followed".
Below figure shows,
ΔHf = ΔH₁ + ΔH₂ + ΔH₃
Sisley
answered
Aug 10, 2019
by
Sisley
8.6k
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 5, 2024
20.6k
views
In the reaction, 2ch4(g)⟶c2h4(g) 2h2(g) , if the enthalpy change cannot be directly measured, which principle allows us to calculate it using Hess's Law? a. Conservation of Energy b. Avogadro's Principle
Vinith Almeida
asked
Feb 5, 2024
by
Vinith Almeida
8.0k
points
Chemistry
high-school
1
answer
2
votes
20.6k
views
asked
Apr 5, 2020
95.0k
views
On what principle does calorimeter depend? a) Hess’s law b) law of conservation of energy c) law of enthalpy d) law of multiple proportions
Fleshgrinder
asked
Apr 5, 2020
by
Fleshgrinder
7.6k
points
Chemistry
middle-school
1
answer
3
votes
95.0k
views
asked
May 17, 2024
150k
views
Given the following standard enthalpy of combustion data, construct a Hess's Law cycle and calculate the standard enthalpy of formation of hydrogen sulfide ΔHϴf [H2S]. S(s) + H2(g) → H2S (g) ΔHϴc sulfur
Artyom
asked
May 17, 2024
by
Artyom
7.5k
points
Chemistry
high-school
1
answer
0
votes
150k
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
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.
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
Key facts of covalent bonding
Which is an example of an atom? A)the smallest unit of Ne B)the smallest unit of p4 C)the smallest unit of NH3 D)the smallest unit of H2O
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org