Chemistry, 25.08.2019 10:30 gajdmaciej9502
What is it called when you add heat and go directly from a solid to a gas?
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Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
What is it called when you add heat and go directly from a solid to a gas?...
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