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CHM 1025 - Exam 1 Review Questions With Complete Solutions

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CHM 1025 - Exam 1 Review Questions With Complete Solutions

Institution
CHM 1025
Course
CHM 1025

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CHM 1025 - Exam 1 Review Questions With Complete
Solutions

(1st atomic mass)(relative abundance)+(2nd isotope mass)
(relative abundance)... Correct Answers atomic mass=

(heat)/(mass x change in temperature) Correct Answers
specific heat capacity=

(mass)(heat capacity)(change in temperature) Correct Answers
heat=

(total mass of element X in the compound)/(total mass of the
compound) Correct Answers mass % of element X=

0.00055 amu Correct Answers mass of electrons

1 amu Correct Answers mass of protons and neutrons

6.022 x 10^23 Correct Answers avogadro's number

accuracy Correct Answers depends on the degree of closeness
to the actual value

acid Correct Answers a substance that produces H+ ions when
dissolved in water

alcohol Correct Answers obtained by replacing an H atom in
the alkane with an -OH group

, alkane Correct Answers a hydrocarbon contianing only single
bonds

allotrope Correct Answers a crystalline or molecular form of a
substance

atom Correct Answers composed of a central core nucleus that
is surrounded by electrons

atomic number Correct Answers the number of protons in an
atom's nucleus

binary acid Correct Answers an acid that has hydrogen and a
nonmetal (hydro-_____ acid)

biological chemistry Correct Answers study of chemical
reactions that take place in biological systems

BrO3 Correct Answers bromate

c1v1=c2v2 Correct Answers equation for dilution

CH3COO - Correct Answers acetate

chemical change Correct Answers occurs when a reaction
occurs; when you change the chemical make up of the substance
from what you started with

chemical property Correct Answers one that a substance
displays only by changing its composition via a chemical change

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Course
CHM 1025

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