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boiling point elevation When the normal boiling point of a solvent is raised by the presence of a solute. Can be found using the equation ΔTb = i · Kb · msolute, where i is the van ‘t […]

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Ksp stands for the solubility product constant for an equilibrium expression. different ionic solids have different Ksp values. The Ksp can be calculated as ([concentration of product1]*[concentration of product 2])/[concentration of reactant]. However, when calculating the Ksp, since […]

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Ksp stands for the solubility product constant for an equilibrium expression. different ionic solids have different Ksp values. The Ksp can be calculated as ([concentration of product1]*[concentration of product 2])/[concentration of reactant]. However, when calculating the Ksp, since […]

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When two aqueous solutions are mixed and a solid, the precipitate, is formed, a precipitation reaction has occurred. However, not all solutions that are mixed together will form a precipitate. When calculating if a precipitate will occur in […]

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Chemical reactions are occurring all around us. When we turn on the stove, gas reacts with oxygen to produce heat. When oxygen reacts with iron and water, iron hydorixde, or rust, forms. Plants take in oxygen and sunlight […]

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In this lab, copper was plated onto nickel. A copper wire was wrapped around a nickel. The nickel and copper wire was placed into an electrode. Energy was transferred from a 9V battery to the copper. After about […]

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Oxidation States Sometimes, the transfer of electrons is very obvious like when ions are formed. Other times, it is less obvious as in the combustion of ethane. As a result, scientists came up with the concept of oxidation […]

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Lowell High School Chemistry Stoichiometry Online Help [Go back to Stoichiometry Tutorial Main Page] Practice Problems Here: Back to Stoichiometry Practice Problems Practice Problem #1: Oxygen gas can be produced by decomposing potassium chlorate using the reaction below. […]

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Lowell High School Chemistry Stoichiometry Online Help [Go back to Stoichiometry Tutorial Main Page] Stoichiometry Practice Problems: Practice Problem #1: Oxygen gas can be produced by decomposing potassium chlorate using the reaction below. If 138.6 g of KClO3 […]

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Solution Stoichiometry Guides Stoichiometry Balancing Redox Half-Reactions Acid-Base Titrations Steps for Solving Stoichiometry Problems Find out what ions are present in the solution after the reaction has occurred. Basically split the compounds that can dissociate and leave the […]
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