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Chapters 12-14 (5 types of chemical reactions: (Double replacement:…
Chapters 12-14
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Ch12) STOICHIOMETRIC: The calculation of quantities in chemical reactions. Mass and Atoms are conserved in every chemical reaction. MOLE RATIO: conversion factor derived from the coefficients of a balanced equation interpreted in terms of moles. LIMITING REACTION: the first reactant that is used up.
THEORETICAL YIELD: Maximum amount of product that could form from given amounts of reactants. ACTUAL YIELD: the amount of product actually formed when carried out in lab. PERCENT YIELD: the ratio of the actual yield to the theoretical yield expressed as a percent. PERCENT YIELD: is a measure of efficiency of a reaction carried out in the lab.
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In the decomposition of lead nitrate: 2Pb(NO3)2->2PbO+4NO2+O. How many grams of oxygen are produced when 11.5gNO2 is formed?
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Catalyst: speeds reaction, is nor a product of final equation.
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The balanced equation for the reactio that takes place between potassium and sodium chloride is K+NaCl-->KCl+Na
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When Iron rusts in air, iron(lll)oxide is made. How many moles of oxygen react with 2.4 mol of iron in the rusting reaction: 2.4mol Fe times3 mol O2/4mol Fe=1.8molO2
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Ionic bond take electrons, Covalent bonds share electrons