Question 9 3 points) How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO, react with excess NH; according to the
equation 2NH3(aq) + H2SO4(aq) – (NH4)2SO.(aq)?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

What does the symbol (–hfus) indicate in a phase change?