What is the problem solving method in chemistry that uses mathematical relationships to convert one quantity to another?
Glenco Chemistry 11 Terms
| A | B |
|---|---|
| combined gas law | combination of Boyle’s law and Charles’s law |
| factor label method | problem solving method in chemistry that uses mathematical relationships to convert one quantity to another |
| kilopascal | 1000 pascals |
What is the relationship between number of particles and volume?
Avogadro’s law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.” For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.
Is volume directly proportional to temperature?
Charles’s law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant.
What principle states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules?
Avogadro’s law
Avogadro’s law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules.
For which gas will one mole occupy 22.4 liters at standard temperature and pressure?
ideal gas
One mole of an ideal gas will occupy a volume of 22.4 liters at STP (Standard Temperature and Pressure, 0°C and one atmosphere pressure).
Do gases undergo elastic collisions?
Gases are in rapid motion, and they undergo elastic collisions with each other and the walls of the container; that is, momentum and energy is transfered not lost during collisions.
What is the mathematical relationship between the pressure and the volume?
The mathematical relationship that exists between pressure and volume when temperature and quantity are held constant is that pressure is inversely proportional to volume. This relationship is known as Boyle’s Law. P1 x V1 = P2 x V2.
What is the correct mathematical relationship between the number of moles the volume and the standard molar volume of a substance?
The number of molecules or atoms in a specific volume of ideal gas is independent of size or the gas’ molar mass. Avogadro’s Law is stated mathematically as follows: Vn=k V n = k , where V is the volume of the gas, n is the number of moles of the gas, and k is a proportionality constant.
What is the mathematical relationship between the temperature and the volume?
The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles’s law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle’s law).
What is this mathematical relationship between the number of gas molecules and pressure?
This means that the pressure of gas will increase as the amount of gas molecules increase inside a container with a fixed volume and at a fixed temperature. Mathematical, we can express this relationship as: P ∞ n. P/n = K.
Why is the combined gas law called the combined gas law?
Unlike the named gas laws, the combined gas law doesn’t have an official discoverer. It is simply a combination of the other gas laws that works when everything except temperature, pressure, and volume are held constant. The constant k is a true constant if the number of moles of the gas doesn’t change.
What volume does 6.00 moles of gas particles occupy at STP?
Explanation: Assuming that helium behaves as an ideal gas, we know that a mole of ideal gas occupies 22.4 litres at STP. The atomic weight of helium is 4 g/mol, so 6 g is 1.5 moles. The volume occupied at STP, therefore, is 22.4 x 1.5 = 33.6 litres.