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NARA [144]
2 years ago
8

In balancing an equation, we change the __________ to make the number of atoms on each side of the equation balance.

Chemistry
1 answer:
Gnesinka [82]2 years ago
7 0
If you are talking about chemistry, it's coefficient!
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Calculate the second volumes. <br> 7.03 Liters at 31 C and 111 Torr to STP
DIA [1.3K]

The second volume :    V₂= 0.922 L

<h3> Further explanation </h3><h3>Given </h3>

7.03 Liters at 31 C and 111 Torr

Required

The second volume

Solution

T₁ = 31 + 273 = 304 K

P₁ = 111 torr = 0,146 atm

V₁ = 7.03 L

At STP :  

P₂ = 1 atm

T₂ = 273 K

Use combine gas law :

P₁V₁/T₁ = P₂V₂/T₂

Input the value :

0.146 x 7.03 / 304 = 1 x V₂/273

V₂= 0.922 L

4 0
3 years ago
What is the movement of water up a narrow tube due to attractions with the surface of the tube called? capillary action meniscus
Shtirlitz [24]

The attraction mediated flow of water in the narrow tube has been termed as Capillary action. Thus, option A is correct.

The process of flowing up of liquid with the attraction force between the molecules and the surface has been achieved with the surface characteristics.

<h3>Movement of water in a narrow tube</h3>

The surface has the force of attraction with the flowing liquids in the sample. It results in the increased surface interaction, and the liquid flows up in the tube against gravity.

The movement of the liquid in the water through a narrow tube has been termed as capillary action. Thus, option A is correct.

Learn more about movement of water, here:

brainly.com/question/1295312

6 0
2 years ago
Which of the following measurements contains 2 significant figures?
Trava [24]
The answer would be 371 because it has multiple complete digits
7 0
3 years ago
How many total atoms are in C3H-NO3?
Alik [6]

Answer:

Percent composition by element

Element Symbol # of Atoms

Hydrogen H 5

Carbon C 3

Nitrogen N 3

Oxygen O 9

5 0
3 years ago
Which of the following causes a physical change in the shape of an object?
babunello [35]

Answer:

B

Explanation:

Heating a piece of iron until it glows.

3 0
2 years ago
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