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ser-zykov [4K]
3 years ago
15

Which is NOT an official SI unit of measure, kelvin, degree Celsius, second, liter

Chemistry
1 answer:
Margarita [4]3 years ago
8 0
Liter. The measure for volume is m^3
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A 5.76 liter sample of a gas at 22.00C mL 748 torr pressure was heated to a final volume of 17.28 liters, with the pressure rema
timama [110]

Answer:

The final temperature was 612 °C

Explanation:

Charles's law relates the volume and temperature of a certain amount of ideal gas, maintained at a constant pressure, using a constant of direct proportionality. In this law, Charles says that at constant pressure, as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases. That is, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the ratio between volume and temperature will always have the same value:

\frac{V}{T}=k

When you want to study two different states, an initial and a final one of a gas and evaluate the change in volume as a function of temperature or vice versa, you can use the expression:

\frac{V1}{T1} =\frac{V2}{T2}

In this case:

  • V1= 5.76 L
  • T1= 22 °C= 295 °K (Being 0°C=273°K)
  • V2=17.28 L
  • T2=?

Replacing:

\frac{5.76 L}{295 K} =\frac{17.28 L}{T2}

Solving:

T2 =\frac{17.28 L}{\frac{5.76 L}{295 K}}=\frac{17.28 L*295 K}{5.76 L}

T2= 885 °K = 612 °C

<u><em>The final temperature was 612 °C</em></u>

5 0
3 years ago
1. Suppose that the volume of a gas in a cylinder is 1.35 L at a pressure of 2.15 atm. What is the new volume if the
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2.15 subtract by 1.86 then add 1.35 I think ...
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Is the following is a correct statement of Charless Law? The volume of a gas varies directly with the absolute temperature under
guapka [62]
<span>Yes, that is reasonable. Volume and absolute temperature are linearly related, assuming constant pressure</span>
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The melting points of electrovalent compounds are higher than the melting points of covalent compounds. Why?​
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Explanation:

There is an electrostatic force holding the electrovalent bonds together and they're usually structured, whereas in covalent, they are usually free and are only held together by a very weak intermolecular force

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Lisert a picture on your work.
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lisert? what do u mean

Explanation:

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