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hichkok12 [17]
3 years ago
6

At a constant pressure, what temperature will be reached if a gas at 300 K with a volume of 0.1 liters is increased to 0.2 liter

s?

Chemistry
1 answer:
kramer3 years ago
5 0

Answer:

600K

Explanation:

The following were obtained from the question.

Initial temperature (T1) = 300K

Initial Volume (V1) = 0.1L

Final volume (V2) = 0.2L

Final temperature (T2) =?

Step 2:

Determination of the final temperature.

Since the pressure is constant, the gas is simply obeying Charles' law.

Using the Charles' law equation, the final temperature can be obtained as follow:

V1/T1 = V2 /T2

0.1/300 = 0.2/T2

Cross multiply to express in linear form

0.1 x T2 = 300 x 0.2

Divide both side by 0.1

T2 = (300 x 0.2)/0.1

T2 = 600K

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Overfishing is an example of human impact on biodiversity.
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3 years ago
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Butyl butyrate is an ester that is a naturally occurring oil used in the flavor industry for its fruity scent. If the steam dist
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Answer:

The correct answer is 62.5 %.

Explanation:

Based on the given information, the partial pressure of butyl butyrate is 50 mmHg and the partial pressure of water is 710 mmHg.  

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According to Dalton's law of partial pressure,  

Partial pressure = mole fraction * total pressure

Mole fraction of water is,  

Partial pressure of water/Total pressure = 710/760 = 0.93

Similarly, the mole fraction of butyl butyrate is,  

Partial pressure of butyl-butyrate/Total pressure = 50/760 = 0.07

Therefore, mole% of water is 0.93 * 100 = 93 %

For calculating mass%,  

Mass of H2O = 0.93 * 18 = 16.8 grams (The molecular mass of water is 18 grams per mole)

The molecular mass of butyl-butyrate is 144 gram per mole

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8 0
3 years ago
The atomic masses of 35-Cl (75.53 percent) and 37-Cl (24.47 percent) are 34.968 amu and 36.956 amu, respectively. Calculate the
AlladinOne [14]

Answer:

35.45 amu is the average atomic mass of chlorine.

Explanation:

The average atomic mass is given :

\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i

Atomic mass of 35-Cl = 34.968 amu

Percentage abundance of 35-Cl = 75.53%

Fractional abundance of 35-Cl = 0.7553

Atomic mass of 37-Cl = 36.956 amu

Percentage abundance of 37-Cl = 24.47%

Fractional abundance of 37-Cl = 0.2447

Average atomic mass of chlorine:

=34.968 amu\times 0.7553+36.956 amu\times 0.2447=35.45 amu

35.45 amu is the average atomic mass of chlorine.

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4 years ago
Which of these correctly lists the order of the engineering process?
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Answer:

B

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Explanation:
                   Those electron pairs which are being shared between two atoms in molecule are called as bonding pair electrons. While, those electron pairs which are not involved in bond formation and are not shared between two atoms are called as Non-Bonding electron pairs.
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