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5 - Formulae, Amounts Of Substance
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Total cards: 12•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (12)
#1
Front (Question)
What’s avogadros constant?
Back (Answer)
6.02 x 10^23
#2
Front (Question)
What is the R constant
Back (Answer)
8.314
#3
Front (Question)
What is the ideal gas equation?
Back (Answer)
PV = nRT
#4
Front (Question)
Calculating moles?
Back (Answer)
mass / rfm (molar mass)
#5
Front (Question)
Moles/ rfm/ mass triangle?
Back (Answer)
mass on top! moles and rfm on bottom
#6
Front (Question)
Unit for pressure?
Back (Answer)
Pascals (pa) 1kpa = 1000pa
#7
Front (Question)
Unit for volume?
Back (Answer)
m^3
#8
Front (Question)
Converting from degrees centigrade to Kelvin?
Back (Answer)
+ 273
#9
Front (Question)
Using empirical formula?
Back (Answer)
divide the mass by the rfm for all given elements if the ratio is clear then leave it if not divide by the smallest work out the ratio
#10
Front (Question)
Ionic equations?
Back (Answer)
break down all elements into their ions cancel out ions either side of the equation rewrite with what’s left
#11
Front (Question)
Gas triangle?
Back (Answer)
volume on top, moles and 24 on bottom
#12
Front (Question)
Volume of most gases at r.t.p
Back (Answer)
24