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Antibiotics have played a major role in our society thanks to Sir Alexander Fleming"s careful observations in 1928. Without it, many lives would be in danger due to infectious diseases. Antibiotics are chemical substances produced by various species of microorganisms and other living systems that are capable in small concentrations...
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Avogadros number is the number 6.0221367 x 10^23, commonly rounded to just three significant digits: 6.02 x 10^23, and is the number of representative particles in a mole. Avogadro's number is commonly used to compute the quantities of substances involved in chemical reactions, called stoichiometry, and is one of the...
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What is Acid Rain? Acid rain is a form of precipitation that falls to the earth as rain. For rain to be acidic it has a pH level of less than 5.6. The corrosive nature of acid rain causes widespread damage to the environment. The problem begins with the production...
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Introduction Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the "unhealthy" condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is rain with pH values of less than 5.6. When...
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