2 C8H18 + 25 O2 → 16 CO2 + 18 H2O How many moles of water are produced by the combustion of 43.25 moles of octane?

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a. inner transition b. noble gases c. representative d. transition

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?