The standard enthalpy of combustion of octane (C8H18) at 25oC and 1 atm according to the following reaction is 5471 kJ/mol C8H18(l) + 12.5 O2(g) 8CO2(g) + 9H2O(l) ∆H = −5471 kJ Calculate ∆H for a 20-gallon tank full of octane.

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon