E2.028 – Pure Substances and Mixtures (Macroscopic)
OWL Introductory Chemistry: An Active Learning Approach
Cracolice and Peters
07th Edition
Determine if each items is a pure substance, a homogeneous mixture or a heterogeneous mixture.
Determine if each items is a pure substance, a homogeneous mixture or a heterogeneous mixture.
Determine if each pure substance is an element or a compound.
The half life (in days) of a substance is given. You begin with x mg of the substance. Determine how many mg remain after x days pass.
Your numbers will vary.
The half-life of a radioactive nuclide is given (in hours). Determine the percentage lost after x minutes.
Your numbers will vary.
The mass of a radioactive sample decays from x micrograms to x micrograms in a given number of years. Determine the half-life.
Your numbers will vary.
The half-life of a radioactive sample is given (in hours). The sample decays from x micrograms to x micrograms. Determine how many hours this will take.
Your numbers will vary.
The half-life of carbon-14 is given. An artifact made of wood has a given ratio of 14C to 12C. How old is the artifact in years?
Your numbers will vary.
A cloth found in Jerusalem shows x units of radiation. A living version should have x units. The half-life is also given. Is it possible for this cloth to come from this era? How old is the cloth?
Your numbers will vary.
Complete the table by converting between kilograms, grams and milligrams
Your numbers will vary.
Complete the table by converting between millimeters, meters and centimeters
Your numbers will vary.