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Chemistry, 12.11.2020 17:00 keilyjaramillo2870
A teacher holds a strip of gray magnesium metal
in a flame. In the flame, the metal strip reacts
with colorless oxygen gas in the air to form a
white, solid powder. Which statement correctly
describes the change?
A) Oxygen and magnesium form a mixture with
the same properties as the original materials
B) Oxygen and magnesium form a solution with
different properties from the original materials
C) Oxygen and magnesium form a compound
with the same properties as the original materials.
D) Oxygen and magnesium form a new substance
with different properties from the originals.
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Answers: 3
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Chemistry, 22.06.2019 12:00, Unknowndragon42
Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon
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A teacher holds a strip of gray magnesium metal
in a flame. In the flame, the metal strip reacts
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