Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas. If 2.2 grams of iron react with excess hydrochloric acid in a 10.0 L flask at 25°C, what is the pressure of the hydrogen gas in this flask in mm Hg?

Determine the energy released per kilogram of fuel used. given mev per reaction, calculate energy in joules per kilogram of reactants. consider 1 mole of tritium plus 1 mole of deuterium to be a mole of “reactions” (total molar mass = 5 grams).

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption