2 Fe 2+ (aq) + H2O2 (aq) - --> 2 Fe 3+ (aq) + 2 OH- (aq) Using the balanced redox equation above, what is specifically reduced?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c