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Questions Bank (1384045 total)

The rate of a chemical reaction doubles for every 10°C rise of temperature. If the temperature is raised by 50°C, the rate of the reaction increases by about:
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The gases are __________ compressed and diffuses __________.

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The pH of 0.02 M solution of hydrochloric acid is __________.

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How many stereogenic centers are present in Structure I and II?

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Predict the order of reaction, looking onto the figure:

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The value of Kw (ionic product of water) at 25°C is:

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Which gas law states that "equal volumes of gases at the same temperature and pressure contain equal numbers of molecules"?
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Which of the following statements best describes the relationship of Structures I and II?

 

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-5°C is equivalent to __________ K.

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In the reaction: BrO3 (aq) + 5Br(aq) + 6H+ → 3Br2 (l) + 3H2O (l)

the rate of appearance of bromine (Br2) is related to the rate of disappearance of bromide ions as
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