How many moles of ammonium ions are present in 0.13 L of 0.38 M ammonium sulfate?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.

What type of energy conversion occurs when you place your feet near the fire place and they become warm