How long will it take 600 grams of plutonium 239 (half-life = 24,000 years) to decay to 18.75 grams?

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

How many moles of al3+ ions are in 1.25 moles of al2o3

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle