Mole Conversions
Acids and Bases
Covalent Bonding
Stoichiometry
Chemical Equations/Reactions
100
1 mole = ? particles
6.02 x 1023
100
Which of the following is acidic?
B
100
Draw the Lewis dot structure for Selenium (Se)
100
Is completely used up in a chemical reaction
Limiting reactant
100
H2O2 --> H2O + O2 after being balanced
2 H2O2 --> 2 H2O + O2
200
What is the molar mass of NaOH?
39.997 g/mol
200
What substance would do a good job of cleaning pots and pans?
A. substance with a pH of 7
B. substance with a pH of 2
C. substance with a pH of 4
D. substance with a pH of 8
D
200
Name the following chemical formula:
Tetraphosphorus hexasulfide
P4S6
200
Calculate the number of moles, starting from 200 grams:
200
What type of chemical reaction is the following?
NaCl + MgS --> Na2S + MgCl2
Double replacement
300
17 grams of NaCl converted to moles
(molar mass NaCl = 58.44 g/mol)
0.29 moles
300
Acid or Base?
1) H3PO4
2) Ca(OH)2
1) Acid
2) Base
300
Draw Lewis Structure for CH2Br2
300
If in a lab a reaction yields 32 grams, but 47 grams was expected, what is the percentage yield of the reaction?
68%
300
What type of chemical reaction is the following?
Ag + Cu(NO3)2 --> Cu + Ag2NO3
Single replacement