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Chemistry ch 7
In the kinetic molecular theory a gas behavior, particles of a gas tend to move____and collisions between tem are-____.
The boiling point of water at sea level is 100C At higher altitudes, the boiling point of water will be
lower, because the atmospheric pressure is lower.
Which of the following correctly describes the process of inspiration (air entering the lung)?
The lungs expand, causing their internal pressure to decrease
Complete the following statement: In Charles's Law, the volume of a gas____when the ____decreases
According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because
the particles of a gas are very far apart.
In Gay-Lussac's Law, the pressure of a gas increases due to an increase in temperature because
the molecules strike the walls of the container more often.
pressure of a gas is directly related to Kelvin temperature increase in T, increase the P of a gas, decrease T decrease P of gas
pressure of gas is inversely related to the volume when temp(K) and amount (moles) of the gas do not change
volume of a gas changes directly w/ a change in Kelvin temp when pressure and amount (mole) of the gas do not change.
gas laws relating pressure, volume, and temperature. P1V1/T1 = P2V2/T2
volume of gas is directly related to the number of moles of gas when pressure and temp do not change
numerical value that relates the quantities P, V, n, and T int the ideal gas law, PV=nRT
volume of 22.4L occupied by 1mole of a gas at STP conditions of 0 C (273) and 1atm
the pressure exerted by the particles of vapor above a liquid
Volume and Moles V1/n1=V2/n2
partial pressure a mixture of two or more gases, the total pressure is the sum of the partial pressures of the individual gases: P total=P1+P2+P3+........
properties of gas
pressure, volume, temperature and amount
Unit of measure pressure
atm, mmHg, torr, in.Hg,29.9 Ib/in2(psi)14.7 Pa, 101 325 kPa101.325
milimeters of Hg
Ideal Gas Constant(R)
0.0821 L .atm/mole.K
Ideal Gas Constant(R)
62.4 L .mmHg/mole.K