Chemical Compounds
Give the formula for this compound:
calcium chloride
CaCl2
How many atoms of carbon are contained in 72.0 grams of carbon?
3.61 x 1024 atoms C
List the 7 diatomic elements.
Br, I, N, Cl, H, O, and F
If a fire occurs at a lab table, what is the best way to put it out?
Use the fire extinguisher
Including your class, what other class does Ms. G teach here at Oakton?
Honors Chemistry
AP Chemistry
Name this compound:
N2O5
dinitrogen pentoxide
What volume is required to make a 0.10 M solution of HCl with 7.3 grams of HCl?
2.0 Liters
How many milliliters are in 1.0 Liter?
1000
What piece of glassware is most accurate for measuring liquid volume?
graduated cylinder
(pipet is also acceptable)
What are Ms. G's sons' first names?
Bobby and Ellis
What is the formula for diphosphorus hexabromide?
P2Br6
What is the resulting pressure when a sample of gas at 98 degrees Celsius and 100.6 kPa is cooled to 15 degrees Celsius?
78 kPa
What are the conditions of STP in Celsius and atmospheres?
0 degrees Celsius and 1 atm
A solid that forms as a product of two aqueous solutions being added together is called a _____________________.
precipitate
In what major city was Ms. G born and raised?
Atlanta, GA
Name this compound:
SnO2
tin (IV) oxide
Which reactant is limiting in the following reaction when 32.0 grams of CH4 react with 64.0 grams of O2 (work must be shown):
CH4 + 2 O2 --> CO2 + 2 H2O
O2 is limiting
What is water's shape?
bent
Give 3 characteristics of a metal.
malleable
ductile
conductive
shiny (lustrous)
high melting point
What is Ms. G's major phobia?
balloons
Name this acid:
H2Cr2O7
dichromic acid
What is the empirical formula for a compound that is 63.0% manganese (Mn) and 37.0% oxygen (O)?
MnO2
Combustion of any hydrocarbon will produce what two products?
For example:
C3H8 + O2 --> ??? + ???
CO2 and H2O
What gas comes out of the jets in a chemistry lab for the Bunsen burners?
Methane (CH4)
How many years has Ms. G been teaching at Oakton?
20 years!!!!