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Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Chemistry, 23.06.2019 02:00
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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How many total atoms in 3na2so4...
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