1. which is not true of binary compounds? a. the name of the positively charged nonmetal ion is changed to end in –ide. b. the positively charged metal ion is written first. c. these contain only two elements. d. these usually consist of a metal and a nonmetal.

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!