Safety
What does WHIMS stand for?
Workplace Hazardous Materials Information System
What are the four elements accourding to Aristotle?
Fire, Water, Air and Earth
What is the chemical formula for iron (II) sulfate?
FeSO4
What kind of reaction is this?
CO2(g) --> C(s) + O2(g)
Decomposition
What is the molar mass of carbon dioxide?
44.01 g/mol
What symbol is used to describe something that is toxic?
Mr Roy draw on the board
What scientist's model was the first to include the electrons?
Thompson
What it the chemical formula for tetrasulfur dioxide?
S4O2
What is the balanced chemical equation for burning ethane (C2H6 (g))?
2C2H6(g) + 7O2(g) --> 4CO2(g) + 6H2O(g)
What is the molar mass of mercury (II) sulfate?
296.66 g/mol
What is the difference for a chemical that is flammable and a chemical that is an oxidizer?
Oxidizing chemicals produce their own oxygen.
Mr Roy draw symbols on the board
What scientist's model was the first to include the neutron?
Rutherford
What is the name of this compound?
Cu(NO3)2
Copper (II) nitrate
What is percipitate when a solution of silver sulfate reacts with a solution of sodium chloride?
Silver chloride
AgCl(s)
How may moles are found in 30.0g of soduim phosphate?
0,183 mol
What is the term used for a hazard containing organic matter?
Biohazard
What was the main difference between the Rutherford and the the Bohr models?
Electrons exist on energy levels around the neucleus.
What is the name of the folowing compound?
(NH4)3PO4
Ammonium phosphate
What is the balanced chemical reaction for solid copper being placed in a silver nitrate solution?
Cu(s) + 2AgNO3(aq) --> Cu(NO3)2(aq) + 2Ag(s)
3.000 moles of an unknown metal have a mass of 590.91g. What is this metal?
Gold
Au