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How many hydrogen atoms are present in 75.0 g of h2o? 7.53 × 1024 atoms 2.51 × 1024 atoms 4.17 atoms 5.02 × 1024 atoms 75.0 atoms
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What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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How many hydrogen atoms are present in 75.0 g of h2o? 7.53 × 1024 atoms 2.51 × 1024 atoms 4.17 atom...
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