Balancing Equations
____ Pb(OH)2 + ____ HCl → ____ H2O + ____ PbCl2
____ Pb(OH)2 + 2 HCl → 2 H2O + ____ PbCl2
Copper (I) Oxide
Cu2O
AlN
Aluminum nitride
What is the percent composition of H in HCl?
1/36.45 --> 2.7%
What is Polk's favorite animal?
White tiger
Orca whale
____ KClO3 → ____ KCl + ____ O2
2 KClO3 → 2 KCl + 3 O2
Tricarbon hexahydride
C3H6
N2O5
Dinitrogen pentoxide
What is the percent composition of Na in NaCl?
39.3%
What event in track and field did Polk participate in college?
Javelin
____ Pb + ____ H3PO4 → ____ H2 + ____ Pb3(PO4)2
3 Pb + 2 H3PO4 → 3 H2 + 1 Pb3(PO4)2
Silver chromate
Ag2CrO4
K2Cr2O7
Potassium dichromate
What is the percent composition of Ca in calcium hydroxide?
Ca(OH)2 --> 40.08/74.08 --> 54.10%
Polk's favorite candle flavor is...
Apple cinnamon type things
** Harvest Gathering
** Leaves
** Spiced Apple Toddy
____ Al + ____ MnO2 → ____ Al2O3 + ____ Mn
4 Al + 3 MnO2 → 2 Al2O3 + 3 Mn
Iron (II) phosphate
Fe3(PO4)2
FePO3
Iron (III) phosphite
What is the percent composition of Cu in Copper (II) bromide?
CuBr2 --> 63.55/223.35 --> 28.6%
Why (and where) did Polk need stitches in college?
** Stepped on --> Face
____ C5H9O + ____ O2 → ____ CO2 + ____ H2O
4 C5H9O + 27 O2 → 20 CO2 + 18 H2O
Ammonium dichromate
(NH4)2Cr2O7
Ti(SO4)2
Titanium (IV) sulfate
What is the percent composition of O in Calcium phosphate
Ca3(PO4)2 --> 128/310.18 --> 41.27%
Why did Polk need surgery as a baby?
** Hole in diaphragm, small intestine went through the hole, pushed my heart to the other side