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CHM LAB 1025 Lab midterm Exam 2024/2025 Questions With Completed & Verified Solutions.
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CHM LAB 1025 Lab midterm Exam 2024/2025 Questions With Completed & Verified Solutions.
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CHM LAB 1025 Lab midtermDensity formula - ANS D= M/v
Element - ANS smallest part of matter
compound - ANS represented by formulas
mixture - ANS Any substance that has a uniform and unchanging composition is considered to
be pure. Examples of pure substances include elements. A mixture is a combination of two or
more pure substances in which each pure substance retains its individual chemical properties.
physical change - ANS Any change that occurs without altering the chemical composition of a
substance is a physical change.
Physical changes can include changing the color, shape, state of matter, or volume of a
substance.
chemical change - ANS Chemical changes occur when a substance combines with another to
form a new substance
physical property - ANS Physical properties include: appearance, texture, color, odor, melting
point, boiling point, density, solubility, polarity, and many others.
chemical property - ANS a property or characteristic of a substance that is observed during a
reaction in which the chemical composition or identity of the substance is changed.
EX. Combustibility
heterogeneous - ANS distinct layers or phases
homogenous - ANS keeps same properties throughout
common equipment items - ANS graduated cylinder, buret, ect., Print out diagram
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