Chapter 1: Measurement and Calculation Worksheet
1.
Write out these numbers in scientific notation:
a)
25 million dollars
c)
2.5 x 107
b)
4.25 x 102
a nickel as a fraction of a dollar
d)
5 x 102
2.
0.0004867
4.867 x 104
Write out these numbers using decim
Chapter 2: Worksheet #1 The Atom
1.
Give the number of p+, n0, and e in the following isotopes.
a.
b.
4
c.
17
d.
209
e.
15
f.
2.
127
107
I
53 p+, 74 n0, 53 e
He2+ 2 p+, 2 n0, 0 e
O2 8 p+, 9 n0, 10 e
Bi
83 p+, 126 n0, 83 e
N3 7 p+, 8 n0, 10 e
Ag+ 47 p+, 60
Chapter 3: Worksheet #1 Mass Relationships
1.
Calculate the mass percent of carbon, nitrogen and oxygen in acetamide, C2H5NO.
%C 40.668
2.
%H 8.533
%N 23.713
%O 27.086
A 50.51 g sample of a compound made from phosphorus and chlorine is decomposed.
Analysi
Chapter 3: Worksheet #2 Mass Relationships
1.
Kerosene (C11H24) is used as a common fuel for lightweight camping stoves. If it takes
15 grams of kerosene to fry a trout for dinner, how many grams of water will be
produced?
21 g H2O
2.
When we added solid
Chapter 4: Worksheet #1 Mass Relationships Molarity
1.
Calculate the molarity of a 184.6 mg sample of potassium dichromate if it is dissolved in
enough water to give 500.0 mL of solution.
0.001255 M K2Cr2O7
2.
Calculate the mass of sodium hydroxide in 250
Chapter 4: Worksheet #2: Solubility and Electrolytes
1.
Which of the folllowing substances are likely to be soluble in water? Write the reaction
that happens when each soluble substance in is dissolved in water.
a.
Ba(NO3)2
soluble
Ba(NO3)2(aq)
b.
ZnS
ins
Chapter 4: Worksheet #3: Molecular, Net Ionic Equations, Solubility Rules, & Redox
1.
Write the net ionic equations for each of the following unbalanced molecular equations.
Na3PO4(aq)
+
3 AgNO3(aq)
3 NaNO3(aq)
3 Ag+(aq)
+
PO43(aq)
+
BaCl2(aq)
BaSO4(s)
Ba
Chapter 4: Worksheet #4 Stoichiometry in Aqueous Reactions
1.
If 30.0 mL of 0.150 M aluminum chloride is added to 15.0 mL of 0.100 M silver(I)
nitrate, what mass of precipitate will be formed?
0.215 g AgCl
2.
A 10.00 mL sample of barium hydroxide solution