Which of the following best describes what happens when hydrogen and oxygen to form water?
Atoms are changing place with other atoms
Hydrogen and oxygen are undergoing change of states.
Hydrogen and oxygen are stable condition
Atoms are combining to form molecules
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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Which of the following best describes what happens when hydrogen and oxygen to form water?
Atoms ar...
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