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Chemistry, 21.06.2019 18:40
What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water
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Chemistry, 21.06.2019 22:30
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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What is the independent variable in this investigation? mass volume sample number substance density
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Which statement describes sunspots? A. Sunspots have a bright white appearance. B. Sunspots occur in...
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