Chemistry 312 Warm-ups
3rd Marking Period
Warm-up #1
2/8/10
Name the following compounds.
B3S6
N2O3
PCl5
Warm-up #2
2/9/10
Write the formula for the following compounds.
Tetraphosphorus trisulfide
Dinitrogen trioxide
Carbon tetrafluoride
Warm-up #3
2/16/10
Name the following:
HCl
H2SO3
Write the formulas:
Acetic acid Nitric acid
Warm-up #4
2/22/10
Name the 7 diatomic molecules. List the number of
sigma and pi bonds that each has.
Warm-up #5
2/24/10
Draw the structure of the molecule and determine the
VPSER shape.
NH3
SCl6
Warm-up #6
3/11/10
Predict the products and balance the equations.
____C4H10 + ____O2 
Type of reaction:
___K + ____Ca(OH)2 
Type of reaction:
Warm-up #7
3/15/10
Write the chemical reaction and balance it.
Aqueous lead (II) nitrate reacts with aqueous
hydrogen sulfide to form nitric acid and solid
lead (II) sulfide.
Warm-up #8
3/16/10
Complete the chart.
Type of reaction
Single
Displacement
Decomposition
Synthesis
Number and type Number and type
of reactants
of products
2; one element and
one compound
2; hydrocarbon
2; CO2 and H2O
and oxygen
2; two elements
2; two compounds 2; two compounds
1; one compound
Warm-ups due on 4/08/10. You need 13.
Warm-up #9
3/19/10
Balance the reaction. Write the complete ionic
equation and the net ionic equation. What type
of reaction is it?
_ (NH4)2CO3(aq) + _ CoCl2(aq) → _NH4Cl(aq) + _CoCO3(s)
_______________________________________
Warm-up #10
3/22/10
Predict the product and balance the reaction.
___NaOH + ___AgClO3→
____________________________________
Warm-ups due on 4/08/10. You need 13.
Warm-up #11
3/26/10
Determine the number of atoms in 4.2 moles of
Iron.
_______________________________________
Warm-up #12
4/05/10
How many moles are in 5.3 x 1024 atoms of
carbon?
Warm-up #13
4/06/10
Find the molar mass of :
H2O
NaCl
AlCl3
_______________________________________
Warm-ups are due tomorrow. You need 13.
Warm-up #14
4/07/10
Determine the number of moles in 156 grams of
KOH.