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JulsSmile [24]
2 years ago
6

HIGH POINTS BRAINLIEST!! HURRY

Chemistry
1 answer:
mr Goodwill [35]2 years ago
3 0

Answer:

дешовых псин

Explanation:

дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин дешовых псин xddddddddd

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Air trapped in a cylinder fitted with a piston occupies 145 mL at 1.08 atm
pav-90 [236]

Answer: 0.0014 atm

Explanation:

Given that,

Original pressure of air (P1) = 1.08 atm

Original volume of air (T1) = 145mL

[Convert 145mL to liters

If 1000mL = 1l

145mL = 145/1000 = 0.145L]

New volume of air (V2) = 111L

New pressure of air (P2) = ?

Since pressure and volume are given while temperature is held constant, apply the formula for Boyle's law

P1V1 = P2V2

1.08 atm x 0.145L = P2 x 111L

0.1566 atm•L = 111L•P2

Divide both sides by 111L

0.1566 atm•L/111L = 111L•P2/111L

0.0014 atm = P2

Thus, the new pressure of air when the volume is decreased to 111 L is 0.0014 atm

7 0
3 years ago
Which of the following is the name of the process scientists use to gain
kobusy [5.1K]

Scientific method

Explanation:

The scientific method is the name of the process scientists use to gain knowledge about the physical world.

The scientific method is a systematic approach into the study of nature. It follows the following processes:

  • Detailed observation
  • Asking of question
  • Formulation of hypothesis
  • Experimentation
  • Analysis and interpretation
  • Conclusion

learn more:

Experiment brainly.com/question/1621519

#learnwithBrainly

8 0
3 years ago
If the speed of an object increases, its kenetic energy
Taya2010 [7]

Answer:

question?

Explanation:

didnt saynsnsns

8 0
3 years ago
to find the density of stopper I weighted it and found its mass to 4.8g. After that I filled a graduated cylinder with 32.1mL of
Fynjy0 [20]

Answer:

0.68g/ml

Explanation:

The density of an object is its mass per unit volume. It is calculated using the formula

Density = mass / volume

Mass of stopper weighed = 4.8g

The volume of stopper can be got by subtracting the (volume of water) from the (volume of water+stopper) i.e.

= 39.2ml - 32.1ml

= 7.1ml

Volume of stopper = 7.1ml

Density of stopper= 4.8/7.1

Density= 0.676056

Therefore, the density of the stopper is 0.68g/ml

4 0
3 years ago
Please help! you’ll be marked brainliest
Trava [24]

Answer:

Number of Protons:

Co: 27

Cl: 17

K: 19

S: 16

Al: 13

P: 15

Number of Electrons:

Co: 25

Cl: 18

K: 18

S: 18

Al: 10

P: 18

4 0
2 years ago
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