WorksheetsPrentice Hall Chemistry Ch3 Vocab
Total questions: 26
Worksheet time: 13mins
Measurement
a quantity that has both a number and a unit
a quantity that has a number
a ratio of equivalent measurement
Scientific notation
a given number is written as the product of two numbers: a coefficient and 10 raised to a power
a quantity that has both a number and a unit
a given number is written as the product of numbers: fractions
Accuracy
a measurement of how close a measurement comes to the actual or true value of whatever is measured
a measure of how close a series of measurements are to one another
the absolute value of the error divided by the actual value, multiplied by 100%
Precision
a measurement of how close a measurement comes to the actual or true value of whatever is measured
a measure of how close a series of measurements are to one another
the absolute value of the error divided by the actual value, multiplied by 100%
Accepted value
the correct value based on reliable references
the value measured in the lab
the absolute value of the error divided by the actual value, multiplied by 100%
Experimental value
the correct value based on reliable references
the value measured in the lab
the absolute value of the error divided by the actual value, multiplied by 100%
Percent error
the absolute value of the error divided by the actual value, multiplied by 100%
a ratio of equivalent measurement
the ratio of the mass of an object to its volume
Significant figures
a measurement include all of the digits that are known plus a last digit that is estimated
the basic unit of length or linear measurement in SI
a way to analyze and solve problems using united or dimension of the measurements
The International System of Units (SI)
is a revised version of the metric system
include the centimeter, meter, and kilometer
include the letter, milliliter, cubic centimeter, and microliter
The five SI base units commonly used by chemists are
the meter, the kilogram, the kelvin, the second and the mole
include the centimeter, meter, and kilometer
include the letter, milliliter, cubic centimeter, and microliter
Meter
the basic unit of length or linear measurement in SI
a way to analyze and solve problems using united or dimension of the measurements
a measurement include all of the digits that are known plus a last digit that is estimated
Common metric units of length include
the centimeter, meter, and kilometer
the meter, the kilogram, the kelvin, the second and the mole
include the letter, milliliter, cubic centimeter, and microliter
Common metric units of volume
include the letter, milliliter, cubic centimeter, and microliter
include the centimeter, meter, and kilometer
the meter, the kilogram, the kelvin, the second and the mole
The mass of an object is measured in comparison to a standard mass of ________, which is the basic SI unit of mass
1 kilogram (kg)
which is the basic SI unit of mass
1 milliliter (ml)
Gram (g)
1/1000 of a kilogram; the mass of 1 cm^3 of water at 4 degree C is 1g
sets the freezing point of water at 0 degree C and the boiling point at 100 degree C
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
Weight
force that measures the pull on a given mass by gravity
object is measured in comparison to a standard
the ratio of the mass of an object to its volume
Temperature
a measure of how hot or cold an object is
force that measures the pull on a given mass by gravity
a ratio of equivalent measurement
Celsius scale
sets the freezing point of water at 0 degree C and the boiling point at 100 degree C
the freezing point of water is 273.15 kelvins and the boiling point is 373.15 K
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
Kevin scale
the freezing point of water is 273.15 kelvins and the boiling point is 373.15 K
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
sets the freezing point of water at 0 degree C and the boiling point at 100 degree C
The zero point on the Kelvin scale is 0 K or _____ ____, is equal to - 273 degree C
absolute zero
1 kilogram
linear measurement
Energy
the capacity to do work or to produce heat
the SI unit of energy
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
Joule
the SI unit of energy
the capacity to do work or to produce heat
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
1 Calorie
the SI unit of energy
the quantity of heat that raises the temperature of 1 g of pure water by 1 degree C 3.3
the capacity to do work or to produce heat
Conversion factor
a ratio of equivalent measurement
the ratio of the mass of an object to its volume
a quantity that has both a number and a unit
Dimensional analysis
a way to analyze and solve problems using united or dimension of the measurements
the ratio of the mass of an object to its volume
a ratio of equivalent measurement
Density
the ratio of the mass of an object to its volume
a ratio of equivalent measurement
a quantity that has both a number and a unit
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