One 55 grams serving of a particular cereal supplies 270 mg of sodium, 11% of the recommended daily allowance. how
many moles and atoms of sodium are in the recommended daily allowance?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume