Balancing equations Flashcards
Show the equation for magnesium and oxygen to produce magnesium oxide
2Mg + O2 —–2MGO
what are the state symbols in equations
they tell you what physical state the reactants and products are in
name all the state symbols
(s)= solid
(l)= liquid
(g)= gas
(aq)= Aqueous- dissolved in water
What must there always be the same number of
atoms of each element on both sides of the equation
How many atoms are in this equation of the elements
H2SO4
2hydrogens
1sulfar
4oxygen
How many atoms are in this equation of the elements
Ba3(PO4)2
3barium
2phosphorus
8oxygen
Numbers in an equation always refer to the element
infront
How many of each element?
CO2
C-1
O-2
How many of each element?
H2SO4
H-2
S-1
O-4
How many of each element?
KMnO4
K-1
Mn-1
O-4
How many of each element?BaCl2
Ba-1
Cl-2
How many of each element?
NiSO4
Ni-1
S-1
O-4
