1 year ago

If the pressure of 1.5 moles of a gas is 2 atm and the temperature is 27°C, what is the volume of the gas?

Chemistry

1 answer:

Sphinxa [80]1 year ago

4 0

Answer:

9.25l

Explanation:

9.25l was correct answer

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An aluminum can weighing 10 g absorbs 106.8 J of heat and warms by 12 degrees C. What is the specific heat of the aluminum can?

Sladkaya [172]

Answer:

$c_{Al} = 0.89\,\frac{J}{kg\cdot ^{\circ}C}$

Explanation:

The heating process is modelled after the First Law of Thermodynamics:

$Q = m \cdot c_{Al}\cdot \Delta T$

The specific heat of the aluminium can is:

$c_{Al} = \frac{Q}{m\cdot \Delta T}$

$c_{Al} = \frac{106.8\,J}{(10\,g)\cdot (12^{\circ}C)}$

$c_{Al} = 0.89\,\frac{J}{kg\cdot ^{\circ}C}$

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3 years ago

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jekas [21]

Answer: Let's see why

Pure solid and liquid compounds possess sharp melting and boiling points. Therefore, melting and boiling points of a compound can be used as a criteria of purity. ... Sometimes during cooling minute quantity of the substance (solid which is being purified) is added to the solution to facilitate the initial crystallisation.

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2 years ago

An "arid" climate is very hot and dry.<br><br> True | False

Oduvanchick [21]

Answer:

True

Explanation:

This is true!

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3 years ago

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Why is thre no gas bubble whene there is citric acid?answer all the questions in detail.

kaheart [24]

Answer:

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2 years ago

A gas effuses 4.0 times faster than oxygen (o2). what is the molecular mass of the gas? 1.0 g/mol 1.0 g/mol 2.0 g/mol 2.0 g/mol

Anastaziya [24]

Answer:

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Explanation:

(16)(o2)

16×2

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2 years ago