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An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.
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Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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Which diagram represents the phase tha occurs after a solid melts?
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Ametal forms a sulphate whose formula is m2so4 the mass of 1 mole of this sulphate is 218 g. what is...
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