Agas has a mixture containing oxygen, nitrogen, & carbon dioxide has a total pressure of 32.0 kpa. if oxygen = 6.6 kpa, nitrogen = 23.0 kpa, what is the pressure of the carbon dioxide ?

2.4 kPa.

Explanation:

According to Dalton's law: the total pressure of an ideal gas mixture is equal to the sum of the partial pressures of the gases in the mixture.

Ptotal = P of O₂ + P of N₂ + P of CO₂.

where, Ptotal is the total pressure = 32.0 kPa,

P of O₂ is partial pressure of oxygen gas = 6.6 kPa,

P of N₂ is the partial pressure of nitrogen gas = 23.0 kPa,

P of CO₂ is the partial pressure of carbon dioxide gas = ??? kPa.

∵ Ptotal = P of O₂ + P of N₂ + P of CO₂.

∴ 32.0 kPa = 6.6 kPa + 23.0 kPa + P of CO₂.

∴ P of CO₂ = 32.0 kPa - (6.6 kPa + 23.0 kPa) = 2.4 kPa.

well off of my head we know that the perfume bottle is most likely opened, or broken. i can also tell it is moving at low and high concentration because it is covering the other side of the room. what we can obtain from this information is it explains why the odor can be detected at the other side of the room.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).