Chemical principles|Quick homework help
Posted: January 30th, 2023
The student writes an outstanding introduction in which they clearly explain the underlying chemical principles, the chemistry concept(s)/theory involved in the experiment and thoroughly define the following key terms: Burette, volumetric glassware, serial dilutions, dilution formula (must include equation and explain the importance of each variable), spectrophotometer and its applications, percent transmittance, absorbance.____Student is able to explain what this experiment is about by thoughtfully explaining how the above key terms will be important to the present experiment. Student also elaborates on how the goal of the experiment will be accomplished in their own words without giving us the procedure. Student ensures to provide at least 3 in-text citations.
SOLUTION
Chemical principles are fundamental concepts that govern chemical reactions and behavior of matter. Some of the important chemical principles are:
- Law of conservation of mass: states that the total mass of reactants must equal the total mass of products.
- Law of definite proportions: states that a chemical compound always contains the same proportion of elements by mass.
- Law of multiple proportions: states that if two elements form more than one compound, the masses of one element that combine with a fixed mass of the other element are in a ratio of small whole numbers.
- Acid-base theory: explains the behavior of acids and bases and their reactions with each other.
- Electron theory of valency: states that the valency of an element is determined by the number of electrons in its outermost shell.
- Theory of chemical bonding: explains the formation and nature of chemical bonds between atoms in a molecule.
- Thermochemistry: deals with the study of heat energy changes that accompany chemical reactions.
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