Examlex
The reaction of 50 mL of Cl2 gas with 50 mL of CH4 gas via the equation:
Cl2 (g) + C2H4 (g) -C2H4Cl2 (g)
Will produce a total of mL of products if pressure and temperature are kept constant.
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An institution for early education that usually serves children from kindergarten through a grade that varies by region, often fifth or sixth grade.
Hierarchical Classification
A system of organization where entities are arranged in a graded order from broad to specific categories, often used in biology to classify organisms.
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The cognitive ability to arrange objects in order according to size, shape, or any other attribute.
Concrete Operational Stage
A stage in Piaget's theory of cognitive development where children (approximately 7 to 12 years old) can think logically about concrete events.
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