A simplified version of the processing of iron ore into iron metal is as follows: 2Fe2O3 + 3C → 4Fe + 3CO2 How many grams of C are needed to produce 100 g of Fe?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

What information does a complete ionic equation give that the balanced equation doesn’t show?