E2.002- Macroscopic, microscopic or particulate
OWL Introductory Chemistry: An Active Learning Approach
Cracolice and Peters
07th Edition
Determine if each item is macroscopic, microscopic or particulate.
Determine if each item is macroscopic, microscopic or particulate.
Determine if each item is a chemical or physical change.
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.
Three items are given, are they endothermic or exothermic?
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.