Chemistry, 09.12.2019 20:31 Darkknighta26
How many grams of a stock solution that is 87.0 percent h2so4 by mass would be needed to make 200 grams of a 35.5 percent by mass solution?
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Which of the following is most likely true about water in chemical solutions?
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The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
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What conclusion can you draw from this experiment about the components of the black ink?
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Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal
Answers: 1
How many grams of a stock solution that is 87.0 percent h2so4 by mass would be needed to make 200 gr...
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