quiz #3

Question 1

ideal gas law

Answer 1

all gases, at ordinary temps and pressures, fairly closely obey the same equation- PV=nRT

Question 2

SI unit of pressure

Answer 2

(kg)(m^-1)(s^-2)

Question 3

atmospheric pressure

Answer 3

pressure exerted by the atmosphere on the earths surface due to the gravitational pull of the earth on its atmosphere

Question 4

barometer

Answer 4

a device used for measuring atmospheric pressure

Question 5

manometers

Answer 5

instruments used to measure the pressure of gases other than the atmosphere

Question 6

simple gas laws

Answer 6

relationships between pairs of four fundamental gas variables, the other two being held at constant

Question 7

boyles law

Answer 7

at fixed temperature and amount, the volume occupied by a gas is inversely proportional to its pressure

Question 8

boyles law equation

Answer 8

p1v1=p2v2

Question 9

charles law equation

Answer 9

v1/t1=v2/t2

Question 10

avagadros law equation

Answer 10

v1/n1=v2/n2

Question 11

amonton’s law

Answer 11

p1/t1=p2/t2

Question 12

combined gas law equation

Answer 12

P1V1/T1=P2V2/T2

Question 13

solute

Answer 13

substance being dissolved

Question 14

solvent

Answer 14

substance dissolving

Question 15

aqueous solution

Answer 15

a liquid solution in which the solvent is water

Question 16

concentration

Answer 16

an expression of how much solute in present

Question 17

molarity

Answer 17

mols solute/ liters solution

Question 18

ideal gas law equation

Answer 18

PV=nRT

Question 19

STP

Answer 19

standard temp and pressure = exactly 273.15 kelvin and 1 atm