amount of substnce Flashcards
1
Q
define relative atomic mass
A
average mass of one atom of an element over mass of an atom of 12C times 12
2
Q
formula for moles, mass, mr
A
mol= mass/mr
3
Q
how many atoms are there in 1 mole
A
6.022 times 10 23 atoms/ions/molecules
4
Q
what is P units
A
Pa
5
Q
formula ideal gas equation
A
PV=nRT
6
Q
what is volume units
A
m cubed
7
Q
what is temp units
A
K
8
Q
convert kPa to Pa
A
times 1000
9
Q
convert dm cubed to m cubed
A
divide 1000
10
Q
convert cm cubed to m cubed
A
divide 1000000
11
Q
convert degrees clcuius to kelvin
A
add 273
12
Q
A
