National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Curated OER
Calculating Your Travel GHGs
Young scholars calculate the amount of greenhouse gases they produce in a given day. Using an equation, they determine the emissions for different sized vehicles and calculate the amount resulting from a family vacation. They create a...