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Drug abuse will not lead to physical and psychological dependence. true or false ?
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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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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Step 6: Measure Pressure and Volume with the Book and 1 kg of Weight?...
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