Explore BrainMass

Chemistry Problem Set: Molecular Behaviour

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

Are the following questions true or false?
a) A carboxylic acid favours the ion form (R-COO-) and its pH is higher than its pKa.
b) In most membranes, the polar heads of the phospholipids align towards the middle of the membrane.
c) All proteins contain either an alpha helix or beta sheets.

© BrainMass Inc. brainmass.com December 19, 2018, 7:26 pm ad1c9bdddf

Solution Preview

a) FALSE. Some carboxylic acids have such pKa values that equal or higher pH value would give acidic medium. For example, acetic acid has pKa of 4.7. When pH equals to 4.7, the ...

Solution Summary

This solution provides true/false answers and explanations. The solution is 125 words.