How much heat energy is required to raise the temperature of 20 kilograms of water from 0°c to 35°c?

One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Building glycogen from glucose molecules is an example of