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A reversible reaction is one where the reaction can occur both ways. Therefore, in a closed system where nothing can escape, some products made will always react in the reverse direction to make the react...

Both alkenes and alkanes are chains of carbon and hydrogen molecules. The chains can be different lengths and each length chain has a different name. 

An alkene is a chain which has a double bond b...

The different states at room temperature occur as a result of differences in the bonding and structure of chlorine and sodium chloride. In chlorine, there are covalent bonds between individual atoms which...

An atom has no overall charge because each element has the same number of protons and electrons. Protons have a +1 charge, and electrons have a -1 charge, these charges cancel out if there is the same amo...

acid + hydroxide > salt + water

so this makes Sodium Chloride and water