Purchase Solution

Chemistry Problem Set: Molecular Behaviour

Not what you're looking for?

Ask Custom Question

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.

Purchase this Solution

Solution Summary

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

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 ...

Purchase this Solution


Free BrainMass Quizzes
General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.