Consider these equations: 2S (s) + 3O2 (g)→2SO3 (g) , ΔH = −792 kJ 2S (s) + 2O2 (g)→2SO2 (g) , ΔH = −594 kJ 2SO2 (g) + O2 (g)→2SO3 (g) , ΔH =?
What is the missing ΔH ?
−294 kJ
−198 kJ
+198 kJ
+294 kJ

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

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point