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Category: Chemistry
These rigorous, thought-provoking problems integrate conceptual learning with problem solving and are suitable for group work. ( Section 1-9 ) Helium-filled balloons rise and will fly away unless tethered by a string. Use the kinetic-molecular theory to explain why a helium-filled balloon is "lighter than air."
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Category: Chemistry
These rigorous, thought-provoking problems integrate conceptual learning with problem solving and are suitable for group work. ( Section 1-3 ) Parents teach their children to wash their hands before eating. (a) Do all parents accept the germ theory of disease? Conceptual Challenge Problems These rigorous, thought-provoking problems integrate concep...
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Category: Chemistry
These rigorous, thought-provoking problems integrate conceptual learning with problem solving and are suitable for group work. ( Section 1-3 ) Some people use expressions such as "a rolling stone gathers no moss" and "where there is no light there is no life." Why do you believe these are "laws of nature"?
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Category: Chemistry
These rigorous, thought-provoking problems integrate conceptual learning with problem solving and are suitable for group work. ( Section 1-3 ) If you drink orange juice soon after you brush your teeth, the orange juice tastes quite different. Apply the methods of science to find what causes this effect. Carry out experiments and draw conclusions ba...
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Category: Chemistry
Conceptual Challenge Problems These rigorous, thought-provoking problems integrate conceptual learning with problem solving and are suitable for group work. ( Section 1-3 ) Suppose you are trying to get lemon juice and you have no juicer. Some people say that you can get more juice from a lemon if you roll it on a hard surface, applying pressure wi...