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An unknown substance has a melting point of -77°C. Is this substance likely to be an ionic compound?
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
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Why doesn't heat added to water make the tempature rise above 100c
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Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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An unknown substance has a melting point of -77°C. Is this substance likely to be an ionic compound?...
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