Given the balanced chemical equation: 4 Fe + 3 O2 > 2 Fe2O3

How many moles of iron(III) oxide, Fe2O3 , will be produced if 12 moles of iron, Fe, are consumed.

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

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