The formula for finding the pressure of nitrogen is P = nRT/V, where P is pressure, n is the number of moles of nitrogen, R is the ideal gas constant, T is the temperature in Kelvin, and V is the volume of the gas.
The density of nitrogen can be determined by dividing the mass of the gas by its volume. The mass can be measured using a balance, and the volume can be calculated using the ideal gas law or by measuring the volume of the container holding the gas.
For pressure, the most commonly used unit is the Pascal (Pa), although other units such as atmospheres (atm) or millimeters of mercury (mmHg) may also be used. For density, the most commonly used unit is kilograms per cubic meter (kg/m3), although grams per liter (g/L) is also commonly used.
Yes, the temperature used should be in Kelvin (K) as the ideal gas law only works with absolute temperature. This means that the temperature in Celsius should be converted to Kelvin by adding 273.15 to the Celsius value.
Yes, the pressure and density of nitrogen can change depending on the temperature and volume of the gas. According to the ideal gas law, as temperature increases, pressure and density also increase, while as volume increases, pressure and density decrease.