How many moles of iron (IV) sulfide are required to produce 64 grams of SO2 according to the equation, 4 FeS2 + 11 O2 → 2 Fe2O3 + 8 SO2? A. 0.40 mol b. 0.50 mol c. 0.60 mol d. 3.2 mol e. 6.0 mol

Select the correct answer. you have a nightlight plugged into an outlet in the hallway, which uses 3.5 watts when plugged in. if the house circuit provides 120.0 volts, what is the current through this bulb?

Classify this reaction: 2al+n2-> aln.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt