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matter cannot be created or destroyed in a chemical reaction.
any different samples of a chemical compound will be made of the same elements (will have the...
when prices increase; the quantity demanded drops; when prices drop; the demand rises.
when prices increase; the quantity supplied rises; when prices drop; the supply drops.
a group of laws that govern the calculations involving numbers or variables with exponents (...
the arrangement of text and illustrations; the design of a page.
the lowest (smallest) number that all the denominators can divide into.
if the equilibrium of a system is disturbed by a change in temperature, pressure or...
Le Chatelier's principle states that if we increase the temperature/pressure/concentration of a...