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Nadusha1986 [10]
3 years ago
15

Pls answer this one thanks have a great day!!! :)))

Chemistry
1 answer:
Masteriza [31]3 years ago
3 0
Minimumhag is correct.
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2L of hydrogen has an initial pressure of 750 mmHg, what is the final pressure in mmHg if the volume increases to 20 L with a co
Verdich [7]

Answer: The final pressure is 75 mm Hg.

Explanation:

According to Boyle's law, at constant temperature the pressure of a gas in inversely proportional to volume.

Since, it is given that the temperature is constant. Hence, formula used is as follows.

P_{1}V_{1} = P_{2}V_{2}

Substitute the values into above formula as follows.

P_{1}V_{1} = P_{2}V_{2}\\750 mm Hg \times 2 L = P_{2} \times 20 L\\P_{2} = \frac{750 mm Hg \times 2 L}{20 L}\\= 75 mm Hg

Thus, we can conclude that the final pressure is 75 mm Hg.

3 0
3 years ago
How many milliliter of a solution of 4.00KI are needed to prepare 250.0mL of 0.760 KI
Alexeev081 [22]
Answer:

47.5 mL

Solving:

M1 = 4.00 M

V1 = ?

M2 = 0.760 M

V2 = 0.250 L

---

M1 * V1 = M2 * V2

V1 = ( M2 * V2 ) / M1

V1 = ( 0.760 * 0.250 ) / 4.00

V1 = ( 0.190 ) / 4.00

V1 = 0.0475 L
3 0
3 years ago
What should have only one idependent variable
jenyasd209 [6]
I think a controlled experiment
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3 years ago
Why does the water turn blue after some time when blue ink is dropped in water? Which property
zepelin [54]

Answer:

Particles are constatantly moving and diffusing

This is possible because of diffusion

Explanation:

Hope this helps

7 0
3 years ago
Is this right ? if it’s wrong correct me
Dimas [21]
You can go to a website about that it will give you the answers
4 0
3 years ago
Read 2 more answers
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