You will begin your study of chemistry by reb0gnizing its relevance in your life as a student.as you progress in your studies.you will learn to appreciate chemistry as one of humankind’s greatest intellectual achievements.this less0n intr0duces you to its scope and to s0me of its c0mtributi0ns in your daily life.
it is our aim that the study of…[Read more]

So far we have only studied simple mixtures.in our natural environment,substances usually in the sense that there are several compnents.
for example.air is a mixture of gases-oxygen,nitrogen,arg0n,and the other gases that are usually released by the activities of human beings or are products of technology.if such gases are present in am0unts that…[Read more]