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Chemistry 105 Rhode Island College Questions and Answers Fully Solved
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Chemistry 105 Rhode Island College
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Chemistry 105 Rhode Island CollegePhysical Transformation - answer Does not alter the chemical composition or "identity"
of the substance, just the physical state.
Examples of Physical Changes - answer Change in state (gas, liquid, solid)
Change in size
Tearing
Breaking
Grinding
Chemical Transformation - answer Alters the chemical composition and identity of the
substances.
Examples of Chemical Transformations - answer Generation of gas
Generation of a solid (precipitate)
Disappearance of a solid
Change in color
Chemical Property - answer The ability of a substance to combine with or change into
one or more substances. (e.g. iron forming rust when combined with oxygen).
Physical Property - answer Characteristics that can be observed or measured without
changing the samples composition (e.g. density, color, odor, hardness, melting point
and boiling point).
Significant Figures - answer The number of digits known exactly in a measure quantity
plus one more.
Mass - answer Grams
Volume - answer Liter
Length - answer Meter
Time - answer Seconds
Temperature - answer Celsius
Energy - answer Joules
Covert from C to F – answer c= 5/9(f-32)
, Convert from F to C – answer f= 9/5 (c) + 32
Celsius to Kelvin – answer C=K - 273
Kelvin to Celsius – answer K= C+273
How many feet in one mile? - answer5,280 Feet
How many yards in one mile? - answer1,760 Yards
How many feet a yard? - answer3 Feet
1 inch = ? cm - answer1 inch = 2.54 cm
1 m = ? inches - answer1 m = 39.37 inches
1 mile = ? km - answer1 mile= 1.609 km
1 oz = ? g - answer1 oz = 28.35 g
1 lb = ? g - answer1 lb = 453.6 g
1 kg = ? Lb - answer1 kg = 2.205 Lb
1 g = ? grains - answer1 g = 15.43 grains
1 qt = ? L? - answer1 qt = 0.946 L
1 gal = L? - answer1 gal = 3.785 L
1 L = ? fl oz - answer1 L = 33.81 fl oz
1 fl oz = ? mL - answer1 fl oz = 29.57 mL
1 L = ? qt - answer1 L = 1.057 qt
1 kg= ? g - answer1 kg = 1000g
1 mg = ? g - answer1 mg = 0.001 g
What is the density, mass, volume equation? – answer D= m/v
V= m/d
m= d x v
Properties of Solids - answer Solids have a fixed or definite shape independent of any
container they are placed in.
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