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Avogadro's number is the number of molecules in a mole of a substance. This is expressed as 6.022 141 29 E23 /mol. This is defined as the number of atoms in 12 grams of carbon12. A mole of any gas has this number of molecules. Any fraction of that mole must be divided into the number.

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Q: What is the most appropriate to express number of molecules per volume?
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Which of these is the most appropriate to express number of molecules per volume?

None of those!


Is liter used to express volume in SI?

True


Express the volume 733.4 cm3 in liters?

0.7334 liters


What measurements are used to express volume?

Cubic measures of length, or litres.


Is a cell's surface area is 6 centimeters and its volume is one centimeter then what is its ratio of surface area to volume?

The volume cannot be 1 centimetre since that is not an appropriate unit for measuring volume.

Related questions

Which of these is the most appropriate to express number of molecules per volume?

None of those!


What does increasing the number of molecules in a fixed volume result in?

Increasing the number of molecules in a fixed volume will result in an increase in pressure due to more frequent collisions between molecules. This relationship is described by the ideal gas law, where pressure is directly proportional to the number of molecules and temperature, and inversely proportional to volume.


When density increases the number of molecules in a volume increases decreases varies or stays the same?

When density increases, the number of molecules in a volume stays the same. Density is defined as mass per unit volume, so as the mass increases, there needs to be a proportional increase in the number of molecules to maintain the density.


Do molecules have anything to do with volume?

Yes, molecules play a role in determining the volume of a substance. The number and size of molecules in a substance affect its density, which in turn influences its volume. Additionally, the packing arrangement of molecules in a substance can determine its overall volume.


What three things affect airpressure?

Heat, number of molecules, atmospheric pressure and volume Volume * Pressure = molecules * molar gas constant * Heat


When density increases the number of molecules in a volume?

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The number of molecules in a given amount of volume is called what?

The number of molecules in a given amount of volume is called the concentration of the solution. It is typically measured in units such as moles per liter (mol/L) or molarity.


Will decreasing the number of gas molecules increase the volume of a gas?

Decreasing the number of gas molecules typically decreases the volume of the gas, assuming pressure and temperature remain constant. This is because there are fewer molecules colliding with the container walls, reducing the pressure and allowing the gas to occupy a larger volume to maintain equilibrium.


When density increases the number of molecules in a volume air?

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A gas sample is held at constant temperature. What happens to the pressure of the sample if the volume is doubled and the number of molecules is doubled?

If the volume is doubled and the number of molecules is doubled while the temperature is held constant, the pressure of the gas sample will remain the same. This is because both the volume and the number of molecules increased by the same factor, resulting in no net change in pressure according to the ideal gas law.


What is the number of molecules in a unit volume of a gas?

The number of molecules in a unit volume of a gas is determined by Avogadro's number, which is approximately 6.022 x 10^23 molecules per mole. Therefore, the number of molecules in a unit volume of a gas is dependent on the specific volume of the gas and the molar volume at a given temperature and pressure.


How do you express units for measuting capacity?

As a number followed by a unit for volume or the cube of a unit for length.