In voltaic cells, the purpose of the salt bridge ---- O is tightly plugged with firm agar cell to prevent ions from passing through O acts as a mechanism to allow mixing of the solutions O allows charge balance to be maintained in the cell O is not important for the cell to work

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A: Spectrometer uses the beers lamberts law.  And it measures the absorbance of the sample.

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A:

Q: Problem 23 of 85 Submit Draw the starting structure that would yield this product under these…

A: The answers are given below.Explanation:

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A: Step 1: Step 2: Here since pi bond has electron density, it attacks on H Step 3: Step 4:

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A: The statement is true .

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A: Hydrogen bonding is form by attraction of Hydrogen atom with electronegative atom like N,O,F etc.

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A: Option C is the correct option.

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A: Dear student I have given answer to your question in the image format.

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