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Chemistry The Central Science 10th Edition By brown
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Chemistry The Central Science 10th Edition By brown
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Chemistry The Central Science 10th Edition By brown -Test Bank
The study of materials and the changes that materials undergo: - ANSWER
chemistry
Anything that has mass and volume: - ANSWER matter
Any characteristic that allows you to recognize a particular type of matter and to
distinguish it from other types: - ANSWER Property
The most basic substances found on the Periodic Table: - ANSWER elements
The small building blocks of all matter: - ANSWER atoms
Two or more atoms chemically combined: - ANSWER molecules
Any elements and compounds are considered: - ANSWER pure substances
Any substance composed of only one type of atom is an: - ANSWER element
Two or more substances that are not chemically combined are: - ANSWER
mixtures
Two or more substances that are uniformly combined, like Kool-aid is called: -
ANSWER homogeneous mixture (also called solutions)
Two or more substances that are not uniformly combined, like a chocolate chip
cookie is called: - ANSWER heterogeneous mixture
This property of a substance can be observed without changing what the substance
is, like color, state, melting point, density, solubility, etc. - ANSWER physical
property
This property of a substance can only be changed in the chemical makeup of a
substance, like reactivity, combustibility, etc. - ANSWER chemical property
The change in the property of a substance that is not chemically different from the
original is called: - ANSWER physical change
The change in the property of a substance that results in a chemically changed
substance, like burning things is called: - ANSWER chemical change
A method of separating the components of a homogeneous mixture is: - ANSWER
distillation
, A method of separating a mixture that allows substances to adhere to the surfaces of
various solids such as paper and starch is called: - ANSWER chromatography
How many significant figures are in the following:
1234.5
1002
67.0
98.70
0.0045
0.004560
5000
1230 - ANSWER 5
4
3
4
2
4
1
3
In multiplication/division rule, how many sig figs is required for this equation?
4.3 X 1.23 = 5.289 - ANSWER Two. The correct answer is 5.3
In addition/subtraction rule, how many decimal places is required in this equation?
67.0 + 4.35534 = 71.35534 - ANSWER One. The figure with the smallest number of
decimal places. Three sig figs for this answer; 71.4
What is the Kelvin conversion? - ANSWER
What is the conversion for Celsius? - ANSWER
What is the conversionf or Fahrenheit? - ANSWER
What is the formula for density? - ANSWER g/mL. Water is 1.00 g/mL
How do you know that a chemical change has occurred? - ANSWER type essay
answer...
Properties such as temperature, melting point, and density that do not depend on the
amount of substance, is called: - ANSWER intensive properties
Properties like mass and volume that depend on the amount of a substance is
called: - ANSWER extensive properties
The three states of matter are: - ANSWER a gas, a liquid, or a solid
Pure Substance - ANSWER is matter that has distinct properties and a composition
that does not vary from sample to sample. (sodium chloride)
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