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17.2H2 + O2 – 2H20
How many moles of oxygen are needed if 8 moles H2 are used?

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Define a is a tiny pavket of energy

One similarity and one difference between an element and a mixture of elements