Which of the following happens during an endothermic chemical change?
Heat is absorbed.
Heat...
Answers: 3
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What element has similar physical and chemical properties as boron.
Answers: 1
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The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
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