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2 years ago

The volume of a gas is halved and the temperature is unchanged. The pressure of the gas is

Chemistry

2 answers:

ololo11 [35]2 years ago

4 0

this is base don Boyle law

PV= constant at constant temperature

P1V1=P2V2

here the V2= V1/2

P1 *V1 =P2* V1/2

P1 *2 = P2

it mean pressure of gas is doubled

AysviL [449]2 years ago

4 0

Answer:

The pressure will get doubled.

Explanation:

On the basis of the ideal gas equation, the pressure relies upon the gas constant, the number of moles, the volume of the gas, and the temperature. In the given case, the temperature is constant, and let us assume that the number of moles is also constant for a specific gas. Thus, the pressure only modifies with the change in volume. According to the equation, PV = nRT or P = nRT / V, the pressure is inversely proportional to the volume, thus, if the volume is reduced, the pressure will also get increase.

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2 years ago

Which pair of aqueous solutions can create a buffer solution if present in the appropriate concentrations?.

Julli [10]

HF and NaF - If the right concentrations of aqueous solutions are present, they can produce a buffer solution.

<h3>What are buffer solutions and how do they differ?</h3>

The two main categories of buffers are acidic buffer solutions and alkaline buffer solutions.
Acidic buffers are solutions that contain a weak acid and one of its salts and have a pH below 7.
For instance, a buffer solution with a pH of roughly 4.75 is made of acetic acid and sodium acetate.

<h3>Describe buffer solution via an example.</h3>

When a weak acid or a weak base is applied in modest amounts, buffer solutions withstand the pH shift.
A buffer made of a weak acid and its salt is an example.
It is a solution of acetic acid and sodium acetate CH3COOH + CH3COONa.

learn more about buffer solutions here

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8 0

1 year ago

This is very urgent please hurry!!?!!??!

yawa3891 [41]

Answer:

The greatest acceleration when the unbalanced force is applied will be experienced in :

A) The box with a mass of 2 kg

Explanation:

According to second law of motion the external unbalanced force is directly proportional to rate of change of momentum.

F = (Final momentum - initial momentum)/time

Force is equal to the product of mass and acceleration

F = m x a

Here a= acceleration

m = mass of the object

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A) The box with a mass of 2kg

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a = 2 m/s2

C) The box with a mass of 6kg

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3 years ago

Reaction of acetylene with silver nitrate

MAVERICK [17]

Answer:

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Explanation:

..... ;) jkjk .......

5 0

2 years ago

Let’s assume that you put a balloon into the freezer. Initially,the balloon had 3.0liters of gas at a pressure of 400kPa and was

EastWind [94]

Here, we should use combined gas law which can be derived from combined gas law, “PV=nRT”. Rearranging, we can get PV/T=nR. Then we can set the two states in the problem together to get

P1V1/T1 = P2V2/T2

Then just plug in and solve algebraically.

Hope this helps

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3 years ago