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Question
Which of the following is/are postulates of Dalton's atomic theory?1) Atoms combine in fixed ratios of whole numbers.
2) Atoms of each element have different properties.
3) Elements occur as solids, liquids, or gases.
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 1, 2, and 3
Answer
This answer is hidden. It contains 1 characters.
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Q:
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Q:
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Q:
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Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1