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Compare and contrast physical changes with chemical changes.
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x
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How much water is there when 75 grams of sugar is found in 85% sugar by mass?...
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