| http://www.w3.org/ns/prov#value | - ??? ??? In a formula, the reactant side is on the... left ??? ??? ??? In a formula, the product side is on the... right ??? ??? ??? The arrows means... yields" ??? ??? ??? C + O?? = CO?? ??? ??? ??? 2 H?? + O?? = 2H??O ??? ??? ??? HCl + NaHCO?? = NaCl + CO?? + H??O ??? ??? ??? O??, N??, C, Al, and Cu are all examples of elements ??? ??? ??? H??O, CO??, and NaCl are all examples of compounds ???
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