Chemistry 101 Final Ivy Tech 2025-2026 most recent version Comprehensive 85 questions and verified answers accurate solutions Already graded A+ Get it 100% correct A balloon originally had a volume of 0.439 L at 44C and a pressure of 729 torr. To what temperature must the balloon be cooled to reduced its volume to 378 mL if the pressure remained constant?
A. 0 C
B. 38 C
C. 95 C
D. 272 C
E. none of the above - CORRECT ANSWER: A
A chemical bond is classified as a covalent bond if it involves the transfer of electrons. -
CORRECT ANSWER: False
A correct Lewis structure of an atom of carbon would have eight dots surrounding the symbol of the element
True
False - CORRECT ANSWER: False
A sample of helium gas initially at 37.0C, 785 torr and 2.00 L was heated to 58.0C while the volume expanded to 3.24 L. What is the final pressure in atm?
A. 517
B. 0.681 1 / 3
C. 1.79
D. 3.21
E. none of the above - CORRECT ANSWER: B
A sealed bag of potato chips will expand when taken to a higher altitude. This is an example of Boyle's Law.
True
False - CORRECT ANSWER: True
A solution contains 100.0 g of water, 10.0 g NaCl, and 15.0 g methanol. What is the mass percent of methanol in the solution?
A. 8.00%
B. 10.00%
C. 12.0%
D. 15.0%
E. none of the above - CORRECT ANSWER: C
An accepted abbreviation format is to write an electron configuration that includes a noble gas symbol in brackets. If you were writing an electron configuration for a bromine atom, which elemental symbol would you place in the bracket?
- He
- Ne
- Ar
- Kr
E. Xe - CORRECT ANSWER: C 2 / 3
Boyle's Law is expressed as:
- V is proportional to 1/P
- P is proportional to V
- V is proportional to 1/T
- V is proportional to T
E. none of the above - CORRECT ANSWER: A
Calculate the maximum number of grams of NH3 that can be produced by the reaction of 2.00 g of N2 with 3.00 g of H2.
Reaction: N2 (g) + 3H2 (g) ⟶ 2 NH3 (g)
A. 2.43
B. 0.964
- None of the above
D. 4.00
E. 17.0 - CORRECT ANSWER: A
Charle's Law is expressed as:
- V is proportional to 1/P
- P is proportional to V
- V is proportional to 1/T
- V is proportional to T
E. none of the above - CORRECT ANSWER: D
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