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Licemer1 [7]
3 years ago
9

describe the independent and dependent variables in this experiment then describe the other variables that need to be controlled

Chemistry
1 answer:
uranmaximum [27]3 years ago
3 0
independent variable is being controlled and the dependent variable is being tested and being easured in a scientific experiment
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Argon occupies a volume of 28.3 L at a pressure of 0.36 atm. Find the volume of argon when the pressure is increased to 0.85 atm
FromTheMoon [43]

Answer:

12

Explanation:

Boyles law

P1 (.36)

V1(28.3)

P2(.85)

V2(?)

P1*V1=P2*V2

plug it in, and you get 12

3 0
3 years ago
What is the property of detergents?
defon
Detergents are amphipathic molecules that contain polar or charged hydrophilic groups (heads) at the end of long lipophilic hydrocarbon groups (tails) (Figure 1). They are also known as surfactants because they decrease the surface tension of water.
8 0
2 years ago
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The water in a 150-mL flask is poured into a beaker that contains 600 mL of ethyl alcohol. Which substance is the solvent in thi
borishaifa [10]
<span>Solvent is ethyl alcohol. 

hope this helps!</span>
5 0
3 years ago
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Consider the water(H_2O) molecule. What is the central atom? Enter its chemical symbol. How many lone pairs are around the centr
Vlad1618 [11]

Answer:oxygen is the central atom in water,it has two lone pairs of electrons, the bond angle is 104.27° The ideal H-O-H bond angle ought to have been 109.28°

Explanation:

The presence of lone pairs causes slight distortion in the bond angles of molecules. This distortion increases with the number of lone pairs present. Water has two lone pairs hence a greater distortion compared to ammonia.

6 0
3 years ago
1. A gas has an initial volume of 13 L at a pressure of 1.8 atm. What will be the new pressure at a volume of 5 L?
adelina 88 [10]

Hey there!:

The law of boyle is used:

initial pressure ( P1 ) = ?

initial volume ( V1 ) = 13 L

final pressure ( P2 ) = 1.8 atm

final volme ( V2 ) =  5 L

P1 *V1 = P2 * V2

P1 * 13 = 1.8 * 5

P1 * 13 = 9

P1 = 9 / 13

P1  = 0.692 atm

Hope this helps!

5 0
3 years ago
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