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Kaplan International is a division of Kaplan Inc., a wholly owned subsidiary of Graham Holdings Company, formerly known as The Washington Post Company, which is a wholly owned subsidiary of Graham Holdings Company. Kaplan International is a global education company headquartered in London that includes Kaplan International Pathways and Kaplan International Languages. Kaplan International Pathways has over 40 university collaborations worldwide and annually trains 20,000 international students fo... read more
Answers: LABORATORY REPORT The control of pH is an essential aspect in carrying out biochemistry experiments; this is because a certain pH is required for an experiment to be carried out. Buffers solutions refer to the aqueous solutions which consist a mixture of conjugated base and a weak base and their pH changes slightly when a small amount of strong base or acid is added to it, and they are used to control the pH of an experiment. The...Read More >>
Answers: In a thermochemical equation, it is important to note state symbols (solid, liquid or gas) because the enthalpy change, ?H depends on the phase of the substances. In some cases, it is very difficult to determine the enthalpy changes for reactions through experiment like in situations where the reaction is too slow or too fast or by-products are formed. In such situation, Hess's law is applied. When anhydrous copper (II) sulfate ...Read More >>
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