Temperature and Volume

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Presentation transcript:

Temperature and Volume Charles’ Law Temperature and Volume

Absolute Zero From your graph, what value did you find for a volume of zero? This temperature is absolute zero, the lowest possible temperature. A theoretical temperature at which matter has no kinetic energy (volume of 0) and therefore transmit no thermal energy. -273.15 ˚C

Temperature Scales Anders Celsius devised a scale by taking a thin glass tube filled with mercury and recording the height of the liquid in ice cold water. He repeated the process by putting it in boiling water. He divided the distance between the 2 heights into 100 divisions = 1˚C Lord Kelvin devised a new scale that would have no negative values.

Temperature Scales 1˚C = 1 K ˚C = K - 273.15 K = ˚C + 273.15

Temperature (in Kelvins) is directly proportional to volume Charles’ Law As the temperature of a gas increases, the volume increases proportionally, when pressure and amount of gas (moles) remains constant. Temperature (in Kelvins) is directly proportional to volume A direct relationship V = kT k = v/t Vi = Vf Ti = Tf

Homework Read p. 429-434 P. 432 #12-14 P. 434 #16-18