Two Identical Beakers Are Filled with the Same Amount of Water.A

question 62

Multiple Choice

Two identical beakers are filled with the same amount of water.A ball of mass m is placed in the first beaker so that it floats on the surface while a second identical ball is placed in the second beaker but tied with a string of negligible mass so that the ball is completely submerged.Each beaker is then placed on a scale.Which scale has a higher reading?

• A)(a)
• B)(b)
• C)the same
• D)depends on how far the ball is submerged in (b)
• E)unable to tell

Understand how to interpret and draw NMR spectra for given compounds.

Distinguish between different compounds using their NMR spectra.

Predict the number of signals in NMR spectra based on compound structure.

Identify the chemical shift regions in C-13 NMR spectra.

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