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Can electricity and light bring out reversible and irreversible changes ? Give examples to support your answers
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Using data from seismic waves, geologists have learned that earth’s interior is made up of several
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Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
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40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
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