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algol13
2 years ago
6

Plz help asap

Chemistry
1 answer:
LenaWriter [7]2 years ago
4 0
The right answer is A
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A 475 cm3 sample of gas at standard temperature and pressure is allowed to expand until it occupies a
Andrej [43]

The final temperature : 345 K

<h3> Further explanation </h3>

Given

475 cm³ initial volume

600 cm³ final volume

Required

The final temperature

Solution

At standard temperature and pressure , T = 273 K and 1 atm

Charles's Law  :

When the gas pressure is kept constant, the gas volume is proportional to the temperature  

V₁/T₁=V₂/T₂

Input the value :

T₂=(V₂T₁)/V₁

T₂=(600 x 273)/475

T₂=345 K

4 0
2 years ago
Name the functional group in the<br> following molecule:
Anna71 [15]

Answer:

B. Aromatic

Explanation:

Functional groups are groups that differentiate a specific organic compound from others. A functional group determines the chemical property of the compound that possesses it.

For example, just like alkene and alcohol functional groups have characteristics double bond (=) and hydroxyl (OH) group respectively, the image in the attachment of this question has a BENZENE RING at the core of its structure, hence, the organic compound can be regarded to have an AROMATIC FUNCTIONAL GROUP.

4 0
3 years ago
Dissolving continues until an equilibrium is established.<br> O True<br> O False
vazorg [7]
Answer: It’s true

Explanation:
7 0
3 years ago
1. Multiple Choice
solong [7]

Answer:

#1 A

#2 B

#3 C

#4 c

Explanation:

#1 can give reference to a mountain the higher the altitude the colder it will get

#2 talking about climate not seasons per say. focus on climate answers

#3 wind carry moisture from the sea on to land which cause precipitation

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5 0
2 years ago
What is the chemical reaction that occurs during photosynthesis ​
vfiekz [6]

Answer:

endothermic change occurs

Explanation:

photosynthesis, is an endothermic reaction in which energy is absorbed from the surrounding.

hope this helps

8 0
3 years ago
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