Chem 133 Exam 1 (2025) Actual Exam Questions and Answers A+ Graded.

Chem 133 Exam 1 (2025) Actual Exam
Questions and Answers A+ Graded



chemistry .- .CORRECT .ANSWER-Study .of .matter

matter .- .CORRECT .ANSWER-Anything .that .has .mass .and .takes .up .space

properties .- .CORRECT .ANSWER-any .characteristic .that .allows .for .recognition
.of .matter


atoms .- .CORRECT .ANSWER-smallest .identifiable .part .of .matter.

molecules .- .CORRECT .ANSWER-two .or .more .atoms .joined .in .definite
.proportion


solids .- .CORRECT .ANSWER-Definite .shape .and .volume, .generally .rigid,
.incomprehensible, .resistant .to .flow .
1. .crystalline
2. .amorphous

Liquid .- .CORRECT .ANSWER-A .state .of .matter .that .has .no .definite .shape .but
.has .a .definite .volume, .has .flows .not .compressible


gas .- .CORRECT .ANSWER-A .state .of .matter .with .no .definite .shape .or .volume,
.has .flows, .is .compressible. .
vapor: .gas .that .is .a .solid .or .liquid .at .room .temperature

pure .substance .- .CORRECT .ANSWER-matter .with .distinct .properties .and
.composition .that .do .not .change .from .substance .to .substance .
cannot .be .changed .by .physical .means.

element .- .CORRECT .ANSWER-made .of .only .one .kind .of .atom

compound .- .CORRECT .ANSWER-two .or .more .elements .in .definite .proportion

mixture .- .CORRECT .ANSWER-composition .varies
1. .homogeneous
2. .heterozygous

homogeneous .- .CORRECT .ANSWER-of .a .similar .kind

heterogeneous .- .CORRECT .ANSWER-composed .of .unlike .parts; .different;
.diverse

, decant .- .CORRECT .ANSWER-pour .off .a .liquid .from .a .solid

filtration .- .CORRECT .ANSWER-A .technique .that .uses .a .porous .barrier .to
.separate .a .solid .from .a .liquid


distillation .- .CORRECT .ANSWER-boiling .a .mixture .to .remove .the .more .volatile
.component


physical .properties .- .CORRECT .ANSWER-A .characteristic .of .a .pure .substance
.that .can .be .observed .without .changing .it .into .another .substance.


chemical .properties .- .CORRECT .ANSWER-Characteristics .of .a .substance .that
.determine .how .it .will .react .with .other .substances.


intensive .property .- .CORRECT .ANSWER-A .property .that .depends .on .the .type .of
.matter .in .a .sample, .not .the .amount .of .matter. .can .be .used .to .identify
.substance


extensive .property .- .CORRECT .ANSWER-A .property .that .depends .on .the
.amount .of .matter .in .a .sample


unit .- .CORRECT .ANSWER-a .fixed .standard .of .measurement
1. .magnitude.
2. .unit

Tera .(T) .- .CORRECT .ANSWER-10¹²

Giga .(G) .- .CORRECT .ANSWER-10⁹

Mega .(M) .- .CORRECT .ANSWER-10^6

Kilo(k) .- .CORRECT .ANSWER-10^3

Deca .(D) .- .CORRECT .ANSWER-10^1

Base .- .CORRECT .ANSWER-1

Deci .(d) .- .CORRECT .ANSWER-10^-1

Centi .(c) .- .CORRECT .ANSWER-10^-2

milli .(m) .- .CORRECT .ANSWER-10^-3

Micro .- .CORRECT .ANSWER-10^-6

Nano .(n) .- .CORRECT .ANSWER-10^-9