158 Multiple choice questions
Term 1 of 158
Which of the following processes is exothermic?
-Rolling a ball up a hill
-Boiling water in a beaker to convert it to steam
-Reacting hydrogen and oxygen gases to make water
-Popsicle melting on a warm summer day
- Allowing meat to thaw after taking it out of the freezer
Reacting hydrogen and oxygen gases to make water
K+ and NO3-
BaPO4: Barium phosphate
combustion, synthesis, and oxidation-reduction
Term 2 of 158
Which of the following ionic compounds is soluble in water?
Hg2Cl2
Br
(NH4)2CO3
phosphoric acid
Term 3 of 158
A chunk of lead at 79.6°C was added to 200.0 g of water at 15.5°C. The specific heat of lead is 0.129
J/g°C. When the temperature stabilized, the temperature of the mixture was 18.3°C. Assuming no heat
was lost to the surroundings, what was the mass of lead added?
Liter
CaSO4
296 g
219g
,Term 4 of 158
Potassium chlorate has the formula
KClO3
KClO4
K2ClO3
KClO2
Term 5 of 158
The correct equilibrium expression for the reaction of sulfur dioxide gas with oxygen gas to produce
sulfur trioxide gas is
K= [SO2]2 [O2] / [SO3]2
3f
K= [SO3]2 / [SO2]2 [O2]
K= [SO3] / [SO2]2 [O2]
Term 6 of 158
A d sublevel can hold a maximum of
6 electrons
10 electrons
18 electrons
2 electrons
Term 7 of 158
1s2 2s2 2p6 3s2 3p6 4s2 3d5 is the electron configuration for which of the following atoms?
Mn
maple syrup
Al
gas