O calcium carbonate
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Which of the following items is a salt? (1 point)
o sodium hydroxide
O calcium carbonate
O carbonic acid
O antacid
Answers: 1
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Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
Which of the following items is a salt? (1 point)
o sodium hydroxide
O calcium carbonate
O calcium carbonate
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