Conservation of Mass Draw enough molecules to conserve mass in each reaction aluminum bromine -> aluminum bromide Br Al Al Br Al Al Br Br Draw more bromine How many of cach atom are in the rcactants? How many of cach atom are in the products? A aluminum Br bromine A auminum Br bromine Balanced equation sodium water sodium hydroxide hydrogen

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Q: 33. Under basic conditions, how many moles of OH are there in the overall balanced reaction? 01 O…

A: Answer :---- The balanced equation are :---4Au + 2O2 + 8CN- + 2H2O → 4[Au(CN)2]- + 4OH-

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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.