In the following reduction of iron ore, 3C + 2Fe2O3 → 4Fe + 3CO2, iron is reduced and is oxidized. A)

carbon

B)

carbon dioxide

C)

oxygen

D)

iron oxide

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

How does concentration affect reaction rate