Density & Conversions
Separation Techniques
Properties of Matter
Classification of Matter
Changes in Matter
100
How many nanograms are in a gram?
What is 109 ng?
100
The diagram representing a process being used to separate the colored dyes in food coloring:
What is Chromatography?
100
is a characteristic of a substance that can be observed or measured without changing the identity of the substance.
What is Physical Property
100
is a physical blend of two or more components, each of which retains its own identity and properties
What is Mixture?
100
describes the ability of a substance to undergo a specific chemical change.
What is Chemical Property?
200
Convert the units 55.2 ks to ms.
What is 55,200,00 ms?
200
Separating substances in a mixture based off their particle size. This fundamental technique separates an insoluble solid from a liquid mixture by passing it through a porous barrier, leaving behind the residue.
What is filtration?
200
is a property that depends on the amount of matter in a sample.
What is extensive property
200
A mixture that is uniform throughout the entire mixture is what?
What is Homogeneous?
200
a process that occurs when one or more substances are changed into one or more new substances
What is Chemical Reaction?
300
A sample of helium gas has a volume of 1.37 L. Helium has a density of 0.179 g/L. What is the mass in grams?
What is 0.245 g or 0.25 g?
300
Unlike a beaker, this tall, narrow glass or plastic vessel with marked volume increments is explicitly designed for high-precision liquid measurements.
What is a graduated cylinder?
300
solid, liquid, and gas are?
What is States of Matter
300
a method of separating a mixture based on differences in boiling points.
What is Distillation?
300
(Zn) is an example of a ?
What is Element
400
5*10-7 is equivalent to writing out
What is 0.0000005?
400
The following technique from the provided apparatus uses this physical intensive property to separate a mixture.
What are boiling points?
400
is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not.
What is Physical Change
400
a pure substance containing two or more elements that have been chemically combined in a fixed proportion.
What is Compound?
400
A change of color occurs only during a Chemical ?
What is Reaction?
500
A bottle of sulfuric acid has a mass of 3,620 kg and a density of 1.81 g/L. What is the volume?
What is 2.00 L?
500
If the mesh of a tea bag breaks, identify and explain the steps needed to separate tea, sugar and water by using chemistry laboratory techniques.
What is using filtration to separate the tea leaves, and then evaporate or distill the water from the sugar?
500
What form of matter takes the shape of the container
What is Liquid?
500
is an expression that shows the elements in a compound and the relative proportions of those elements.
What is Chemical formula?
500
Features used to identify a substance. For example, density, boiling pt, condensing pt, etc.
What is an intensive physical property?