Exercice 3: Equilibrer les équations suivantes Ni H2SO4 H2 Niz(SO.)3 a. +] -> b. NH4F AlCl3 NHẠCI AIF3 -> C. NazCO3 H3PO4 NasPO4 H2O CO2 d. Al (OH)3 H2CO3 Alz(CO3)3 H20 e. H2SO4 NaOH NazSO4 H20 f. H3PO4 HAP207 H2O -> H3PO4 Mg(OH)2 Mg3(PO4)2 + H2O 9.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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