a 2750g sample of a substance occupies a volun
volume of 250.0 cm! find its density in g/cm'.

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What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.