Que es PWM y como funciona el Valor Eficaz

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=72_C4WQ650s

In this video we'll balance the equation CaCO3 + HCl = CaCl2 + CO2 + H2O. Visit https://www.Breslyn.org for video guides on balancing equations and more! • To balance CaCO3 + HCl = CaCl2 + CO2 + H2O you'll need to watch out for two things. • First, be sure to count all of O atoms on each side of the chemical equation. Once you know how many of each type of atom you have you can only change the coefficients (the numbers in front of atoms or compounds) to balance the equation. • When you balance the equation, it is often easier leave the Oxygen atoms until last. • For a complete tutorial on balancing chemical equations, like calcium carbonate + hydrochloric acid, watch my video: • • How to Balance Chemical Equations in ... • • Important tips for balancing chemical equations: • Only change the numbers in front of compounds (the coefficients). • Never change the numbers after atoms (the subscripts). • The number of each atom on both sides of the equation must be the same for the equation to be balanced. • • Drawing/writing done in InkScape. Screen capture done with Camtasia Studio 4.0. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo).

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