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Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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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.
Answers: 1
Is hand washing a chemicals change or physicals change and why?...
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