Chemistry, 04.04.2020 04:40 genyjoannerubiera
The acid form of an indicator is yellow and its anion is blue. The Ka of this indicator is 10-5. What will be the approximate pH range over which this indicator changes color?
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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Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
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The acid form of an indicator is yellow and its anion is blue. The Ka of this indicator is 10-5. Wha...
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