The enthalpy of formation of gaseous carbon dioxide is −393.5 kj/mol. what is the equation that represents the formation of gaseous carbon dioxide? answer
a. unselected c(s) + o2(g) → co2(g)
b. unselected co(g) + ½ o2(g) → co2(g)
c. unselected co2(s) → co2(g)
d. unselected 2 co(g) + o2(g) → 2 co2(g)

Consider this initial-rate data at a certain temperature for the reaction described by

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Which of the following describes a situation where competition between producers exists