Chemistry, 19.10.2021 01:00 queenkimm26
A granular substance is added to a liquid. Which of the following would provide
evidence to suggest a chemical change has taken place?
A. The granules seem to get smaller.
B. The liquid gives heat
C. The granules disso e completely
D. The volume of the old increases
Answers: 2
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.
Answers: 2
A granular substance is added to a liquid. Which of the following would provide
evidence to sugges...
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