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Posted by Jim Clark on 2nd December in Laboratory
This section describes a technique used in generating 36 computer graded quizzes, each with three variables: x, y, z
Working in the background all second quarter is a quick basic program which solves the problems on 36 quizzes (4 different versions, each, of the 9 mole quizzes). An example of such a quiz might be:
Given the [...]
Posted by Jim Clark on 20th October in Laboratory
The Special Air Service (SAS) is one of the worlds elite and finest army units and they need to know some chemistry to help them survive. He who learns, survives! …..
Purple Chemical
Potassium permanganate (KMnO4) which you see in school as the purple chemical is carried in an SAS medicine kit. It has [...]
Posted by Jim Clark on 31st August in Laboratory
1. Select a kit containing six rubber stoppers, three small and three large. Do not mix your kit with stoppers from other kits.
2. Determine the mass of 1 small stopper in three different units (e.g. grams, ounces, teals). Determine the mass of 1 large stopper in the same three units (e.g. [...]