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Oksanka [162]
2 years ago
11

A container of argon with a volume of 22 ml has a pressure of 101.0 kPa.

Chemistry
1 answer:
Alexeev081 [22]2 years ago
6 0

Answer:

The new pressure is 44.4 kPa.

Explanation:

We have,

Initial volume, V_1=22\ ml

Initial pressure, P_1= 101.0\ kPa

It is required to find the new pressure when the volume is increased to 50 ml. The relationship between pressure and volume is known as Boyle's law.

PV=k\\\\P_1V_1=P_2V_2

P_2 is final pressure

P_2=\dfrac{P_1V_1}{V_2}\\\\P_2=\dfrac{22\times 101\times 10^3}{50}\\\\P_2=44440\ Pa\\\\P_2=44.4\ kPa

So, new pressure is 44.4 kPa.

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Hello.

The answer is C.Amine

When an amine is combined (reacted) with a carboxyl group, an AMIDE + water is formed, and if you carry on heating under a vacuum, an imidazoline is formed.


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3 years ago
In an inverse relationship, when one variable increases, the other____
Harrizon [31]

Answer: D

Explanation:

In an inverse relationship as one increases one decreases or vice versa.

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I Need Help With This I’m so Confused on it.
ss7ja [257]

Answer:

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3 years ago
What is an ionic solid?
PtichkaEL [24]
Ionic solid means many positive and negative ions bonded to form a solid.

Hence B is the correct option.
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6 0
3 years ago
PLZZZZ<br> HELP<br> MEH<br> THANKS<br> YEET
aleksandrvk [35]

Remark

The question with these kind of problems is "Which R do you use?" That's where dimensional analysis is so handy. You must look at the units of the givens and choose your R accordingly. You'll see how that works in a moment.

You need to list the givens along with their units and in this case the property you want to solve for. You need all that to determine the R value

Givens

n = 0.25 moles

T = 35°C = 35 + 273.15 = 308.15°K

V = 6.23 L

Pressure = P in kPa

Which R

The units of the R you want has to have units of moles, kPa, °K and liters

The R that  you want is 8.314

<em><u>Formula</u></em>

PV = nRT

P 6.23 = 0.25 * 8.314 * 308.15  Combine the left

P*6.23 = 640.5

P = 640.5/6.23 = 102.81  The answer should be 100 kpA of 1.0 * 10^2 kPa

because the number of moles has only 2 sig digs.

But if sig digs are not a problem 102.8 is likely close enough.

Second Question

You are going to have to clean up the numbers. I think I've got only 1 chance at this. The partial pressures of the 2 gases will add up to the total pressure. So the total pressure was 100 approx and the water vapor was 3.36 kPa. The difference is

Total = air + water vapor

100.18 = air + 3.36 about  Subtract 3.36 from both sides.

100.18 - 3.36 = 96.82 about. Pick the answer that is closest to that. I'll clean up the numbers if I can.

Answer  C

6 0
3 years ago
Read 2 more answers
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