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CHM 1025 - Exam 1 Review 2024 Questions With Completed & Verified Solutions.
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CHM 1025 - Exam 1 Review 2024 Questions With Completed & Verified Solutions.
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CHM 1025 - Exam 1 Reviewchemistry - ANS the study of composition, structure, properties, and reactions of matter
matter - ANS anything that occupies space and mass which can be classified by state and by
composition
organic chemistry - ANS study of substances that contain the element carbon
biological chemistry - ANS study of chemical reactions that take place in biological systems
geochemistry - ANS study of chemical composition of ores, soils, and minerals of the surface of
the Earth and other planets
physical chemistry - ANS study of the physical nature of chemical systems, which include
energy changes
scientific method - ANS a general approach that scientists use to solve problems, comprising of
four main parts; observations, hypothesis, experiment, theory
qualitative observations - ANS such things as color change or bubbling
quantitative observations - ANS observations that can be measured numerically as data
hypothesis - ANS a proposed explanation of an observation made
experiment - ANS a set of procedural steps used to test the hypothesis
scientific theory - ANS allows you to predict behavior based on your experiment snd describes
the underlying cause of physical behavior
scientific law - ANS a brief statement that summarized past observations and predicts future
ones
precision - ANS depends on the number of times you get the same result
accuracy - ANS depends on the degree of closeness to the actual value
thermal energy - ANS energy due to a change in temperature
scientific notation - ANS a way to write very large or very small numbers into manageable terms
, solid - ANS has a fixed shape and volume, which is incompressible
liquid - ANS variable shape with a fixed volume and is incompressible
gas - ANS has a variable shape with variable volume and is compressible
composition of matter - ANS can be broken down into a pure substance or mixture
pure substance - ANS a substance containing only one type of atom or molecule
element - ANS a pure substance containing only one kind of atom
compound - ANS a pure substance made up of two or more elements/molecules
mixture - ANS a substance composed of two or more different types of atoms or molecules that
can be combined in variable proportions
heterogeneous mixture - ANS a solution mixed unevenly throughout the solution
homogeneous mixture - ANS a solution mixed evenly throughout the solution
physical properties - ANS describe the appearance of the type of matter
extensive property - ANS depends on the amount of a substance present
intensive property - ANS does not depend on the amount of the substance present
chemical property - ANS one that a substance displays only by changing its composition via a
chemical change
physical change - ANS occurs when you only change the state of the substance and not the
identity of the substance
chemical change - ANS occurs when a reaction occurs; when you change the chemical make
up of the substance from what you started with
dimensional analysis - ANS the process of using unit ratios known as conversion factors to
convert units to a desired representation
conversion factor - ANS an invertible ratio of equivalent units represented equal to 1
density - ANS describes how much it weighs compared to its size
mass/volume - ANS density=
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