Match the terms with their definition.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
series | arrow_right_alt | Change in which the identity of the material is changed forever |
heterogeneous | arrow_right_alt | blending of two or more substances by physical means |
solid | arrow_right_alt | substance made from atoms of two or more elements chemically bonded together |
liquid | arrow_right_alt | a change in which the identity of the material is NOT altered |
qualitative | arrow_right_alt | vertical columns on the periodic table |
extensive | arrow_right_alt | study of the composition, structure, and properties of matter an the changes it undergoes. |
mixture | arrow_right_alt | the pull of gravity on a given mass |
density | arrow_right_alt | the quantity of matter that a body possesses |
weight | arrow_right_alt | smallest unit of an element that has the properties of that element |
theoretical yield | arrow_right_alt | a mixture that is the same all the way through the sample |
chemical change | arrow_right_alt | the state of matter that has a definite shape and volume |
groups | arrow_right_alt | the state of matter that has a definite volume but no definite shape |
physical change | arrow_right_alt | properties that DO NOT depend on the amount of matter present |
matter | arrow_right_alt | properties that depend on the amount of matter present |
chemistry | arrow_right_alt | mass per unit volume |
intensive | arrow_right_alt | state of matter that has no definite volume or shape |
homogeneous | arrow_right_alt | a mixture that is not the same all the way through |
quantitative | arrow_right_alt | horizontal rows on the periodic table |
actual yield | arrow_right_alt | anything that has mass and occupies space |
mass | arrow_right_alt | an observation involving data and measurements |
compound | arrow_right_alt | a non-numerical observation such as color, odor, and sound |
percent yield | arrow_right_alt | the amount of product you should make based on calculations prior to lab |
atom | arrow_right_alt | the amount of product you actually make as a result of performing the lab |
gas | arrow_right_alt | amount of product you got during the lab compared to the amount of product you were supposed to get based on calculations. |
Match the branch of chemistry to its corresponding scenario.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
organic | arrow_right_alt | A scientist is trying to identify a fiber found on the shoulder of a crime suspect |
biochemistry | arrow_right_alt | an electrician is studying the amount of heat coming from a coil of copper wire |
inorganic | arrow_right_alt | a researcher is studying the molecular structure of benzene (C6H12) |
analytical | arrow_right_alt | a researcher is studying photosynthesis in roses |
theoretical | arrow_right_alt | a scientist is studying the addition of sodium (Na) to water (H2O) |
physical | arrow_right_alt | a scientist is studying the radioactive decay of radium |
nuclear | arrow_right_alt | a student makes a computer model of the reaction between fluorine and francium |
Convert the following measurement:
952 dkg = ____________________kg
Convert the following measurement:
0.00542 Gg = ____________________Mg
Convert the following measurement:
73.40 g = ____________________hg
Convert the following measurement:
48.0 dg = ____________________dkg
Convert the following measurement:
8935000µm = ____________________mm
Convert the following measurement:
180L = ____________________mL
Convert the following measurement:
2546210nm = ____________________mm
Convert the following measurement:
489g = ____________________kg
List the number of significant figures in the following values:
0.6021 g
List the number of significant figures in the following values:
40,010. min
List the number of significant figures in the following values:
1.730 gal
List the number of significant figures in the following values:
3000 cm
List the number of significant figures in the following values:
710.910 cm
List the number of significant figures in the following values:
0.0000112 m
Complete the following problems. Write your answer with the proper significant figures:
23.90 cm + 0.005 cm
Complete the following problems. Write your answer with the proper significant figures:
4.050 m - 1.3 m
Complete the following problems. Write your answer with the proper significant figures:
23.2 g x 0.66 g
Complete the following problems. Write your answer with the proper significant figures:
29.2 mm / 4.59 mm
Round the following to three significant figures:
633.780 g
Round the following to three significant figures:
824150.8 min
Round the following to three significant figures:
48620 gal
Round the following to three significant figures:
189.657 cm
Convert the following between the metric and English system. You must show your work and put your answer in the correct number of significant figures to receive credit:
9,500 g = _______________ lb
Convert the following between the metric and English system. You must show your work and put your answer in the correct number of significant figures to receive credit:
621 m = ________________ mi
Convert the following between the metric and English system. You must show your work and put your answer in the correct number of significant figures to receive credit:
16 gal = ______________ hL
Convert the following between the metric and English system. You must show your work and put your answer in the correct number of significant figures to receive credit:
521.8 in = __________________ m
Answer the following questions. You must show your work to receive credit and use the correct significant figures and units:
Determine the density of a metal that weighs 2.81 lbs and measures 1.0m x 3.3m x 2.1m?
Answer the following questions. You must show your work to receive credit and use the correct significant figures and units:
What is the volume of liquid with a density of 1.52 g/mL and a mass of 45.0 dkg?
Answer the following questions. You must show your work to receive credit and use the correct significant figures and units:
What is the mass of a gas that has a density of 0.437 g/L and a volume of 10.6 L?
Perform the calculations below. You must place your answer in correct significant figures and show your work for credit:
In lab, a student calculated the density of gold to be 17.96 g/cm3. The accepted density of gold is 18.94 g/cm3. What is the student's percent error?
Perform the calculations below. You must place your answer in correct significant figures and show your work for credit:
You are making aspirin in lab. According to your calculations, you expect to make 6.57 g of aspirin. You measure your final product and find that you made 6.23 g of aspirin. What is your percent yield?
Label the following as either homogeneous or heterogeneous
concrete
chex mix
orange juice with pulp
brass
dirt
orange juice without pulp
Homogeneous
Heterogeneous
Label the following as either element, compound, or mixture.
sweet tea
honey
tin (Sn)
aluminum (Al)
water (H2O)
bronze
element
compound
mixture
Label the following changes as either a physical or chemical change
H2O2 breaking down into water and oxygen gas
reacting baking soda and vinegar
stretching a rubber band
burning wood
ice melting
iron freezing
physical
chemical
Label the following observations as either quantitative or qualitative
38 binders
pink erasers
quiet child
twenty hairs
quantitative
qualitative
Label the properties as either intensive or extensive
volume
temperature
weight
density
color
boiling point
intensive
extensive
Write the following number in scientific notation:
5,730.0
Write the following number in scientific notation:
0.00006
Write the following number in scientific notation:
0.000006596
Write the following number in scientific notation:
7,009,800