The standard enthalpy change for the following reaction is -555 kJ at 298 K 4 C(s, graphite) + 6 H2(g) + O2(g) 2 CH3CH2OH(l) ΔH° = -555 kJ
What is the standard enthalpy change for this reaction at 298 K?
2 C(s, graphite) + 3 H2(g) + 1/2 O2(g) CH3CH2OH(l)

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line