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3 years ago

Freezing point of carbon dioxide a.meter b.liter c.kilogram d.kelvin

1 answer:

7 0

The Freezing point is ALWAYS the same as the melting point,even for different elements. 6,422 is its melting,and freezing point. Same with gold,iron,hydrogen,and many others

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An empty water bottle is full of air at 15°C and standard pressure. The volume of the bottle is 0. 500 liter. How many moles of

drek231 [11]

The moles of gas in the bottle has been 0.021 mol.

The ideal gas has been given as the gas where there has been negligible amount of interatomic collisions. The ideal gas equation has been given as:

$PV=nRT$

<h3>Computation for the moles of gas</h3>

The gi<em>ve</em>n gas has standard pressure, $P=1\rm atm$

The volume of the gas has been, $V= 0. 500 \;\rm L$

The temperature of the gas has been, $T=15^\circ \text C\\
T=288\;\rm K$

Substituting the values for the moles of gas, <em>n:</em>

<em />

<em /> $\rm 1\;\times\; 0. 500 =\textit n\;\times\;0.08214\;atm.L/mol.K\;\times\;288\;K\\\\
\textit n=\dfrac{0. 500}{0.08214\;\times\;288} \;mol\\\\
\textit n=0.021\;mol$

The moles of gas in the bottle has been 0.021 mol.

Learn more about ideal gas, here:
brainly.com/question/8711877

5 0

3 years ago

If the moon resembled an asteroid, which theory would be most supported?

Law Incorporation [45]

<span>This is called "The capture theory" which states that the Earth's Moon was captured by the gravitational pull of our planet, meaning that it formed elsewhere, and then was pulle dinto place by the Earth, already formed. This would rely upon the ideas that a asteroid pased close enough to the Earth's orbit to be "captured".</span>

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3 years ago

BALANCING CHEMICAL EQUATIONS WORKSHEET

kherson [118]

Answer:

Put that in y butt ps

Explanation:

4 0

3 years ago

Is oxygen an element?

laiz [17]

Yes oxygen is an element it is
the 8th element
the second period
16th group
noble gas configuration [He]2s^22p^4

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3 years ago

Vertical columns on the periodic table are known as

nevsk [136]

Answer:

groups and periods

Explanation:

3 0

3 years ago