The following reaction reaches equilibrium at 650°c and atmospheric pressure:
n2(g) + c2 h2(g) → 2hcn(g)
if the system initially is an equimolar mixture of nitrogen and acetylene, what is the composition of the system at equilibrium? what would be the effect of doubling the pressure? assume ideal gases.

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h