review
Stoichiometry
Compound naming
Sig Figs
Random or Trivia
100
Define stoichiometry
The relationship between chemical quantities in a balanced equation.
100
In the following chemical equation, N2(g) + 3H2(g) → 2NH3(g), 1 mole of nitrogen reacts with 3 moles of hydrogen to form how many moles of ammonia?
2 moles of Ammonia
100
PBr3
Phosphorus tribromide
100
Solve the following using the correct number of significant figures:
4.1 + 3.3569
7.5
100
Which country do cities of Perth, Adelaide & Brisbane belong to?
Australia
200
This picture demonstrates _______, and Why?
Precision: As measurements are close to each other and far from the center.
200
Balance the equation
____ HCl + ____ CaCO3 -> ____ CaCl2 + ____H2O + ____ CO2
__2__ HCl + _1___ CaCO3 -> __1__ CaCl2 + __1__H2O + _1___ CO2
200
SF6
Sulfur hexafluoride
200
Solve the following using the correct number of significant figures:
9.04-3.145
5.90
200
chromium (VI) phosphate
Cr(PO4)2
300
Definitions of Molecule and Compound.
Molecule: a group of atoms bonded chemically.
Compound: two or more atoms that are combined chemically.
300
Balance the following equation
AlBr3 + K2SO4 -> KBr + Al2(SO4)3
2 AlBr3 + 3 K2SO4 -> 6 KBr + 1 Al2(SO4)3
300
KNO3
potassium Nitrate
300
How many number of sig figs are in the number below?
59033.078
8
300
What is the most consumed manufactured drink in the world?
Tea
400
189 nanometers to picometers
189000 picometers
400
Sn(s) + 2HF(g) → SnF2(s) + H2(g)
How many moles of hydrogen fluoride are required to react completely with 75.0 g of tin?
1.26 mol HF
400
SeCl6
Selenium Hexachloride
400
Solve the following using the correct number of significant figures:
2.14 x 3.485
7.46
400
five base unites used most commonly by chemists
meter, kilogram, kelvin, the second and the mole.
500
What are the two lines at the bottom are called the lanthinide and ____________ series
Actinide
500
I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2+4KI→2CuI+4KCl+I22CuCl2+4KI→2CuI+4KCl+I2 .
How many molecules of I2 are produced?
1.28 × 1023 molecules I2
500
MnSe3
manganese (VI) selenide
500
Solve the following using the correct number of significant figures:
8.758/4.33821
1.977
500
How long do elephant pregnancies last?
22 months