Which statement is true about a catalyst?
A: It decreases the rate of a reaction.
B: It...
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Chemistry, 21.06.2019 14:20
Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.
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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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Chemistry, 22.06.2019 19:30
Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
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