CHEM133- Quiz 1- AMU (2025) Actual
Exam Questions and Answers A+ Graded
Bromine .is .a .red .liquid .at .25°C. .Its .density .is .3.12 .g/cm3. .What .is .the .volume .of
.28.1 .g .of .liquid .bromine? .- .CORRECT .ANSWER-9.01 .cm³
Suppose .a .house .has .a .floor .area .of .2,250 .square .feet. .What .is .this .area .in
.units .of .square .centimeters? .- .CORRECT .ANSWER-2.09 .x .10⁶cm²
The .state .of .matter .for .an .object .that .has .both .definite .volume .and .definite
.shape .is .- .CORRECT .ANSWER-Solid .state
Consider .the .numbers .23.68 .and .4.12. .The .sum .of .these .numbers .has .____
.significant .figures, .and .the .product .of .these .numbers .has .____ .significant
.figures. .- .CORRECT .ANSWER-3,4
The .boiling .of .water .is .a .- .CORRECT .ANSWER-physical .change .because .the
.gaseous .water .is .chemically .the .same .as .the .liquid
In .the .spring .of .2008, .gasoline .cost .£1.029 .per .Liter .in .London. .On .the .same
.day, .the .exchange .rate .was .$1 .= .£0.497. .What .was .the .price .of .London
.gasoline .in .dollars .($) .per .gallon? .(1 .gal .= .3.7854 .L) .- .CORRECT .ANSWER-
$7.84/gal
If .1.4% .of .the .mass .of .a .human .body .is .calcium, .how .many .kilograms .of
.calcium .are .there .in .a .195-pound .man? .- .CORRECT .ANSWER-1.2 .kg .Ca
How .many .significant .figures .are .there .in .the .answer .to .the .following .problem?
.(3.335 .× .6.500) .+ .0.940 .= .? .- .CORRECT .ANSWER-four
A .piece .of .metal .ore .weighs .9.00 .g. .When .a .student .places .it .into .a .graduated
.cylinder .containing .water, .the .liquid .level .rises .from .21.25 .mL .to .26.47 .mL.
.What .is .the .density .of .the .ore? .- .CORRECT .ANSWER-1.72 .g/mL
A .substance .that .can't .be .chemically .broken .down .into .simpler .substances .is
.considered .to .be .- .CORRECT .ANSWER-an .element
Define .thermal .energy. .- .CORRECT .ANSWER-Energy .associated .with .the
.temperature .of .an .object
Choose .the .pure .substance .from .the .list .below. .- .CORRECT .ANSWER-sugar
Exam Questions and Answers A+ Graded
Bromine .is .a .red .liquid .at .25°C. .Its .density .is .3.12 .g/cm3. .What .is .the .volume .of
.28.1 .g .of .liquid .bromine? .- .CORRECT .ANSWER-9.01 .cm³
Suppose .a .house .has .a .floor .area .of .2,250 .square .feet. .What .is .this .area .in
.units .of .square .centimeters? .- .CORRECT .ANSWER-2.09 .x .10⁶cm²
The .state .of .matter .for .an .object .that .has .both .definite .volume .and .definite
.shape .is .- .CORRECT .ANSWER-Solid .state
Consider .the .numbers .23.68 .and .4.12. .The .sum .of .these .numbers .has .____
.significant .figures, .and .the .product .of .these .numbers .has .____ .significant
.figures. .- .CORRECT .ANSWER-3,4
The .boiling .of .water .is .a .- .CORRECT .ANSWER-physical .change .because .the
.gaseous .water .is .chemically .the .same .as .the .liquid
In .the .spring .of .2008, .gasoline .cost .£1.029 .per .Liter .in .London. .On .the .same
.day, .the .exchange .rate .was .$1 .= .£0.497. .What .was .the .price .of .London
.gasoline .in .dollars .($) .per .gallon? .(1 .gal .= .3.7854 .L) .- .CORRECT .ANSWER-
$7.84/gal
If .1.4% .of .the .mass .of .a .human .body .is .calcium, .how .many .kilograms .of
.calcium .are .there .in .a .195-pound .man? .- .CORRECT .ANSWER-1.2 .kg .Ca
How .many .significant .figures .are .there .in .the .answer .to .the .following .problem?
.(3.335 .× .6.500) .+ .0.940 .= .? .- .CORRECT .ANSWER-four
A .piece .of .metal .ore .weighs .9.00 .g. .When .a .student .places .it .into .a .graduated
.cylinder .containing .water, .the .liquid .level .rises .from .21.25 .mL .to .26.47 .mL.
.What .is .the .density .of .the .ore? .- .CORRECT .ANSWER-1.72 .g/mL
A .substance .that .can't .be .chemically .broken .down .into .simpler .substances .is
.considered .to .be .- .CORRECT .ANSWER-an .element
Define .thermal .energy. .- .CORRECT .ANSWER-Energy .associated .with .the
.temperature .of .an .object
Choose .the .pure .substance .from .the .list .below. .- .CORRECT .ANSWER-sugar
