What is mole?
6.02 x 1023 particles
What is a physical change?
Physical change is changes that affect the physical appearance but not changing its composition
The coefficients in a balanced equation
Mole ratio
How many atoms contained in 0.21 moles of Mg(NO3)2?
1.26 x 1023
Name two types of matter
Mixture and Pure substance
In the scale of Electronegativity what are the three categories
Ionic , Polar convalent, nonpolar convalent
What is the law of conservation of mass?
Reactant mass = Products mass
Moles in 39.2g of SO2
0.612 moles
What is the compound? (NH4)2CO3
Ammonium carbonate
C02 + CaO --->
CaCo3
100g of Mg with 0.2 moles Find Molar mass
What is 500 g/mol
Name 4 multivalent Ionic Compounds
Copper, Mercury, Lead, Cobalt, Zinc ,Tin, Iron, Nickel, Chromium
SO2 + O2 ---->
SO3
Find mass H20 with 0.13 moles
2.3g