1. The mole is important because it allows chemists to work with the subatomic w
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1. The mole is important because it allows chemists to work with the subatomic world with macro world units and amounts. Atoms, molecules and formula units are very small and very difficult to work with usually. Chemists have to measure using moles for very small things like atoms, molecules, or other particles.
2. The mass in grams of one mole of representative particles of that substance. The representative particles can be atoms, molecules, or formula units of ionic compounds. Its used in the lab.
3.There are 3 basic parts to a chemical equation: reactants, products, and the “yields” arrow.
4.The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion.
5.Oxidation involves loss, Reduction involves gain – of electrons. This acronym can be helpful when using redox reactions because it reminds us of the fundamental changes that occur in these types of reactions: oxidation involves the loss of electrons, while reduction involves the gain of electrons. By keeping this acronym in mind, we can quickly and easily identify the oxidizing and reducing agents in a given redox reaction, as well as determine which species are being oxidized and which are being reduced. This knowledge can help us balance redox equations and predict the outcome of chemical reactions involving electron transfer. the OIL RIG acronym is a useful tool for understanding the basics of redox reactions and can help us apply this concept to a variety of chemical situations.
6.the proportional relationship between two or more substances during a chem reaction. the concept of stoichiometry is the mass relationships between the reactants and products in a chemical reaction.
7.Reactants must combine to form new substances. Also the reactants need to be mixed in solution form as reactants mix in solution form Some reactions need to be heated to carry the reaction or some reactions, may release energy.
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