1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
elena55 [62]
3 years ago
13

Select whether there is no work done by the system, work done by the system or work done by the surroundings for each system des

cribed below: A. H2O (l) \longrightarrow⟶ H2O (g) ΔH = 44.0 kJ/mol B. 2 NO (g) + O2 (g) \longrightarrow⟶ 2 NO2(g) ΔH = -114.1 kJ/mol C. Cl (g) + O3 (g) \longrightarrow⟶ ClO(g) + O2(g) ΔH = -163 kJ/mol D. CaCO3 (s) \longrightarrow⟶ CaO (s) + CO2(g) ΔH = 110.1 kJ/mol E. 4 NH3(g) + 5 O2(g) \longrightarrow⟶ 4 NO (g) + 6 H2O(l) ΔH = -906 kJ/mol
Chemistry
1 answer:
goldfiish [28.3K]3 years ago
8 0

Answer:

A) work done by the system;

B) work is negligible;

C) work is negligible;

D) work done by the system;

E) work doe by the surroundigs.

Explanation:

The work is the energy that a gas gain or loses to expand or compress, respectivately. So, if the gas molecules increase, the work is done by the system, if they decrease, the work is done by the surroundigs, if they don't change, or if there is no gas in the reaction, the work is  negligible.

You might be interested in
Prove the following:V=U + AT<br>​
pychu [463]

We know that,

acceleration (a) = final velocity(V)-initial velocity(U)/ Time taken(T)

6 0
2 years ago
What is Zeff of phosphorus
professor190 [17]

Answer:

Explanation:

Here is an illustration showing how to "calculate" +5 as the effective nuclear charge (Zeff) for phosphorus. We are not implying that the electrons are in orbits here, this is simply showing inner shell electrons that shield the outer valence electrons from the full nuclear charge.

5 0
3 years ago
All the questions to The power of advertising commonlit answers.
NemiM [27]
..............................
8 0
3 years ago
How do scientists use radioactive decay to date fossils and artifacts
RideAnS [48]
The level of radioactivity allows them to date fossils and artifacts
4 0
3 years ago
PPPPPPPLLLLLLLLZZZZZZ HELP I'LL GIVE BRAINLIEST
Alex17521 [72]

Food web should be the correct answer

:)


7 0
3 years ago
Read 2 more answers
Other questions:
  • What term best describes ammonia
    15·2 answers
  • 1 pt
    7·1 answer
  • Which part of the water cycle would follow step C in the diagram shown?
    10·1 answer
  • Helen is standing in the hallway with her friend Janet, next to Helen's locker. Each girl has a body mass of 48 kilograms (kg),
    11·1 answer
  • Which of these processes removes carbon from
    14·1 answer
  • How many electrons are involved in one equivalent of oxidation-reduction?
    9·1 answer
  • A compound with EF CH2 was found to have a Molar mass of 84g. What is the MF of the compound?
    13·1 answer
  • A fire is an example of an exothermic reaction. Which of the following best
    9·1 answer
  • The coefficient of performance (cop) of a refrigerator is defined as the ratio of?
    12·1 answer
  • ITEM BANK: Move to Bottom
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!