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sladkih [1.3K]
3 years ago
12

A 10.0 L balloon contains helium gas at a pressure of 655 mmHg. What is the final pressure, in millimeters of mercury, if the fi

nal volume is 13.8 L?
Chemistry
1 answer:
joja [24]3 years ago
7 0

Answer:

474.64mmHg

Explanation:

From the question given, we obtained the following:

V1 = 10L

P1 = 655mmHg

V2 = 13.8L

P2 =?

P1V1 = P2V2

10 x 655 = P2 x 13.8

Divide both side by the coefficient P2 i.e 13.8

P2 = (10 x 655) / 13.8

P2 = 474.64mmHg

Therefore, the new pressure will be 474.64mmHg

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Predict the major and minor products of the following reaction. Name the products using systematic names.CH3CH2CH = CH2+H2O H+--
BartSMP [9]
<h3><u>Answer;</u></h3>

Major product; 2-Butanol ;(CH3CH2CH(OH)-CH3)

Minor product; none

<h3><u>Explanation;</u></h3>
  • Alkenes undergo an addition reaction with water in the presence of a catalyst to form an alcohol. This type of addition reaction is called hydration.
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CH3CH2CH=CH2 + H2O (acid catalyst) -----> CH3CH2CH(OH)-CH3

6 0
3 years ago
How would you prepared pure water from the mixture of impure water? explain with experiment.<br>​
spayn [35]

Explanation:

Hello, there are alot method to separate the impurities from water. One of those & best method for purification of water is Distillation.

During distillation the given apparatus are set as shown in figure. After arrangement we put the impure water in distillation flask & there are two mouth of flask one is attached to condenser & other is covered. There are two tubes in the middle of the condenser in which water comes in from one and water goes out from the other and this happens continuously. The condenser is used to convert the collected water vapours into liquid water so that it can be collected easily in recieving flask.

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3 0
1 year ago
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deff fn [24]
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8 0
3 years ago
Q: If the average speed of a species of tortoise is 0.36 km/h, what is that speed in cm/s?
Marina CMI [18]

Answer:

36000 centimeters

Explanation:

If the average speed of a species of tortoise is 0.36 km/h, then it would be 36000 centimeters.

5 0
3 years ago
Gases tend to deviate from the ideal gas law at
MrRa [10]

Answer:

<em>Gases tend to deviate from ideal gas law at </em><u><em>high pressures and low temperatures.</em></u>

Explanation:

The main statements from molecular kinetic theory to describe an ideal gas is that 1) the gas particles occupy a neglictible fraction of the total volume of the gas, and 2) there is not force of attraction between gas particles.

HIgh pressure means that the gas particles will be forced  closer to each other, making that the mean distance between the particles be realtively more important and their volume less neglictible. This is a violation the first assumption described above.

Since the temperature is directly related to the kinetic energy, and the latter with the movement of the particles (average speed), low temperatures lead to the molecules being less independent of each other, i.e. the forces between the molecules will count more . This fact constitutes a violation of the second principle established in the first paragraph.

In <u>conclusion</u>, <em>high pressures and low temperatures tend to deviate gases from the ideal gas law.</em>

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8 0
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