CHM 101: Introductory Chemistry (2015 Spring) Final Exam
What is the third most abundant component of dry air?
Which Lewis structure below correctly represents KCl?
Which of the following statements about pressure is FALSE?
The atmosphere has a pressure as the components of air collide with
A mothball can change directly from its solid phase to its gaseous phase. This
process is known as:
A balloon originally had a volume of 0.439 L at 44 °C and a pressure of 729 torr. To
what temperature must the balloon be cooled to reduce its volume to 378 mL if the
pressure remained constant?
Which of the following is considered a single electron group?
Which of the following compounds is a strong electrolyte?
How many kilojoules of heat are needed to completely vaporize 42.8 grams of
1 torr is equal to:
What is the angle between electron groups in the trigonal planar electron geometry?
What is the molality of a solution made by dissolving 14.7g of C6H12O6
What is the initial temperature of a gas if the volume changed from 1.00 L to 1.10 L
and the final temperature was determined to be 255.0
The central atom in the chlorate anion, ClO3- is surrounded by
The oxygen in the air we breathe is classified as:
Which state of matter has a low density and is not easily compressed?
Suppose a balloon was released from the ground and rose to such a height that both
Which color of the visible spectrum has the shortest wavelength (400 nm)?
Given that 4NH3 + 5O2 → 4NO + 6H2O, if 3.00 mol NH3 were made to react with
excess of oxygen gas, the amount of H2O formed would be,
In writing the chemical equation for a precipitation reaction, what abbreviation of the
physical state must appear with one of the products?
How many waffles can be made from 1 dozen eggs, assuming you have enough of all
What is the limiting reactant for the following reaction given we have 3.4 moles of
Which of the following statements about balancing reactions is FALSE?
How many atoms are in 15.6 grams of silicon?
A tricycle factory uses the following items to produce one tricycle: 3 tires, 1 frame,
and 2 pedals. If the factory has available 270 tires, 90 frames, and 170 pedals, which
item would limit the amount of complete tricycles that can be assembled?
How many grams of water are made from the reaction of 4.0 grams of hydrogen gas?
Considering the following precipitation reaction: