Chemistry

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Questions

Maraif Obsinet

Chemical characteristics?

Eliasa Said

What are the properties of enzymes?

Anonymous

What are the chemical compositions of proteins?

Otho Boniface

Derive an expression relating the van't Hoff factor and the degree of dissociation.

Otho Boniface

Why is a multi-step extraction using the same amount of solvent more economical than a single-step extraction?

Otho Boniface

Explain the effects of the degree of dissociation of a solute on the boiling point of a solution.

Otho Boniface

Is it always true that the vapor above a mixture of two liquids that don't obey Raoult's law is richer in the more volatile liquid?

Anonymous

What is the precipitating agent for silver ions? Would the solution of NaCl work as well? Why or why not?

CHARLES ENOCY

Net ionic equation

Andrea Magomero

I want a good introduction on the experiment of effects of change in concentration on the rate of reaction.

Anonymous

Describe how urea is formed.

Anonymous

Difference between Athermanous substances and Diathermanous substances:

Anonymous

How long does the urea fertilizer keep working when applied in a maize field?

Anonymous

Reasons why DNA dissolves in water but not in ethanol

Anonymous

Define the following: crystal, crystal symmetry, crystal form, crystallography. Explain elements of a crystal, define twinning, and discuss at least five types of twins in crystallography.

Otho Boniface

Why is the liquid ammonia bottle cooled before opening the seal?

Otho Boniface

The malate shunt has an effect on the carbon dioxide and hydrogen pumps. Can you elaborate on this?

Otho Boniface

During testing of starch, it is advised that before collecting saliva, one should rinse his or her mouth with clean, safe water. What are the significance of this?

Braiton Lugano

Name any two fixatives that are commonly used in biology and mention a group of organisms in which each of these fixatives is applied.

Anonymous

Nonmetals tend to gain electrons to become ions.

Anonymous