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
VikaD [51]
2 years ago
8

At constant pressure, which of these systems do work on the surroundings? A ( s ) + B ( s ) ⟶ C ( g ) A(s)+B(s)⟶C(g) 2 A ( g ) +

2 B ( g ) ⟶ 5 C ( g ) 2A(g)+2B(g)⟶5C(g) A ( g ) + B ( g ) ⟶ C ( g ) A(g)+B(g)⟶C(g) 2 A ( g ) + 2 B ( g ) ⟶ 3 C ( g )
Chemistry
1 answer:
Tju [1.3M]2 years ago
4 0

Correct question:

At constant pressure, which of these systems do work on the surroundings?

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

(c) A ( g ) + B ( g ) ⟶ C ( g )

(d) 2 A ( g ) + 2 B ( g ) ⟶ 3 C ( g )

Answer:

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

Explanation:

Work done by a system on the surroundings at a constant pressure is given as;

W = -PΔV

Where;

ΔV is gas expansion, that is final volume of the gas minus initial volume of the gas must be greater than zero.

Part (a)

A ( s ) + B ( s ) ⟶ C ( g )

ΔV = 1 - (0) = 1 (expansion)

Part (b)

2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

ΔV = 5 - ( 2+ 2) = 1 (expansion)

Part (c)

A ( g ) + B ( g ) ⟶ C ( g )

ΔV = 1 - ( 1 + 1) = -1 (compression)

Part (d)

2 A ( g ) + 2 B ( g ) ⟶ 3 C ( g )

ΔV = 3 - ( 4) = -1 (compression)

Thus, systems where there is gas expansion are in part (a) and part (b). The correct answers are:

(a) A ( s ) + B ( s ) ⟶ C ( g )

(b) 2 A ( g ) + 2 B ( g ) ⟶ 5 C ( g )

You might be interested in
What did Asoka do for convicted murderers?
jarptica [38.1K]
Zksjsksjdjxkkdjdkdkdkfkdikdl117283
5 0
2 years ago
Does Mg or Ne have a higher electronegativity value
elena55 [62]

Answer:

Ne

Explanation:

3 0
3 years ago
Read 2 more answers
Please someone answer and help :) ​
algol [13]
13. D
14. A
15. C
16. B
17. F
18. E
7 0
2 years ago
What is the order of the stars from Hottest to Coldest?
Nikitich [7]
Blue, white, yellow, orange, red
4 0
2 years ago
Read 2 more answers
Use the information in the table to describe the temperature-vs.-time diagrams.
Paha777 [63]
I think answer should be the last option I hope this helps let me know if it’s correct thanks
3 1
3 years ago
Read 2 more answers
Other questions:
  • identify each structure based on its label. Compound A is a amine. Compound B is a amine. Compound C is a amine. Compound D is .
    11·2 answers
  • How many total ions are present in 347g of cacl2?
    9·1 answer
  • How does vibrational energy contribute to a reaction?
    5·1 answer
  • Select all that apply.
    10·1 answer
  • 3CI02+NO_3-+H_2O--> NO +3CIO3-+2H+In the above redox reaction, use oxidation numbers to identify the element oxidized, the el
    15·1 answer
  • What is the correct formula for potassium sulfite? khso khso4 k2so4 k2so3
    11·2 answers
  • An someone help i need the structure of 3,3-dimethylpentane?
    10·1 answer
  • How many senses does the human body have?<br> O A. 3<br> B. 5
    5·2 answers
  • Please help me out with this question if you help me I will give you the brain thing and extra points. 5/9 image below.
    8·2 answers
  • Arginine is one of the amino acids; it is used in the biosynthesis of proteins. Analysis revealed that a sample of arginine was
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!