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Chalk markings cannot be easily rubbed off from a black board if kept for a long time. why?
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In apex! a liquid heated beyond a certain temperature becomes
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 Β°c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
Chalk markings cannot be easily rubbed off from a black board if kept for a long time. why?...
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