Understanding the Periodic Table
What kind of Element is Fluorine?
What is a Halogen
What did John Dolton discover?
What is the atom.
What kind of substance is ozone(O3)?
What is a pure substance and element.
Balance the reaction that occurs when sulfur reacts with oxygen to form Sulfate.
4S+3O2——>2SO3
If 3.8 grams sodium react with excess chlorine, how much, in grams, Sodium chloride is produced?
Sodium Chloride: 58.44 g/mol
9.7 grams
How many valence electrons does Oxygen have?
What is six
He discovered the electron.
Who is J.J. Thompson?
What kind of substance is a diamond?
What is a element.
Balance the decomposition reaction Magnesium hydroxide.
Mg(OH)2–>Mg+2OH
If 5 moles of Potassium bromide react with 5 moles of Silver nitrate, how much product is formed?
What is 5 moles?
How many electrons does Chlorine have?
What is 17 electrons?
He measured electron charge with this experiment.
Who is Robert Millikan and the Oil-Drop experiment?
Is coffee homogenous or heterogenous?
Homogenous
AgNO3+NaCl—>AgCl+NaNO3
If 15 grams of Butane(C4H10) is burned, how much CO2 is produced?
Butane: 58g/mol
CO2: 48g/mol
What is 49.655 grams?
What is the difference between a proton, electron, and a neutron?
Protons have reside in the nucleus and have a postitive charge. Neutrons reside in the nucleus and have no charge. Electrons reside in a cloud around the atom and have a negative charge.
He discovered the basics of atomic structure with this experiment.
Who is Ernest Rutherford and the Gold Foil experiment?
Is a poorly mixed vinaigrette a homogenous or heterogenous mixture?
What is heterogenous.
Balance the combustion reaction that occurs when Methane burns.
2CH2+3O2 —> 2CO2+ 2H2O
How many moles of carbon dioxide are produced when 15 grams of octane are burned?
Octane: 114.23 g/mol
What is 1.05 moles?
Carbon, mass: 12.0107g, has two stable isotopes, 12C and 13C. What is the percent abundance of 13C.
What is 1.11%.
What are the two best ways to prepare for a Chemistry Exam?
Do Aleks on time and practice using the bulk review
What is the difference between an intensive property and an extensive property?
Extensive is dependent on the amount present, while intensive is not.
Balance the reaction that occurs when octane(C8H18) burns.
2C8H18+ 25O2 —> 16CO2+ 18H2O
A student is performing a a glucose combustion experiment in the lab. 15.6 grams of glucose are used in the reaction. If the reaction yields 25 grams carbon dioxide, what is the percent yield for the reaction?
Glucose: 180.156 g/mol
CO2: 44.01 g/mol
What is 109% yield?