Chemistry Terms
This is made up of two or more elements in a fixed proportion.
What is a compound.
This is the first step in using dimensional analysis.
What is determine what you are looking for.
0.00337902270
What is 9.
Calculate the mass of an object with a density of 2.78 g/ml and a volume of 48ml.
What is 130 grams.
Draw particle diagrams for the three states of matter.
Up to teacher's discretion.
This is the branch of chemistry that studies the mechanism, rate, and energy transfer in chemical reactions.
What is analytical chemistry
These are equivalent values used to change units in dimensional analysis.
What is conversion factor.
This is the reason zeros are not significant in this value:
0.00048
What is the zeros are at the beginning of a number.
Find the volume in mL of 8.91 grams of water.
What is 8.91 mL.
Explain whether or not a single measurement can be precise.
What is it cannot, because precision is a comparison value.
This is a type of change that does not alter a substance's chemical composition.
What is a physical change.
Convert 36 seconds to hours.
What is .01 hours.
(4.89 - 3.2) x 7.22 =
What is 12.
What is .076 g/cm3
List three indications of a chemical reaction from the reaction in a bag.
What is color change, temperature change, and gas produced.
This is the ratio of the distance moved of a solute by a solvent.
What is a Rf value.
Convert 400. miles to inches. (Remember sig figs)
(1 mi = 1609 m)
(1 m = 39.4 in)
What is 25,400,000 inches or 2.54 x 107
These are the types/type of measurements that require sig figs.
What is all measurements done in chemistry.
These are the two units of density.
What is g/mL and g/cm3
Before starting a lab, you must do this. (From safety contract)
What is read procedures thoroughly.
This is the phase in chromatography that moves up the filter paper.
There are 200. people at a party and each person eats .25 cup of chili. This amount of tsp will be eaten. (Must show work & sig figs)
(1.0 cup = 48 tsp)
What is 2,400 tsp.
7.90 x 10 46 contains this many sig figs.
What is three.
Draw a particle diagram that represents a bubble that floats over dry ice.
Up to teacher's discretion.
What is a biomedicine career, firefighter, or environmentalist.