1. Calculate the mass of hydrogen needed to completely react all the oxygen: 2. Liquid hydrogen has a density of 71 g/L. What is the minimum volume of liquid hydrogen needed to completely react all the liquid oxygen?

3. Calculate the volume (in liters) of the combined fuel tanks:

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

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

Acontrol during an experiment. might change remains constant does not exist does change