How many moles of al (cn) 3 are in 225 g of the compound?

A 01.0kg baseball is hit through a neighbors window. just before it hits the window, the ball has a kinetic energy of 200j. what was the balls velocity just before it hit the window?

What's sodium chromate formula without subscript

How to start of my science introduction about the history of matter?

Compare the arrangements of individual particles in solids, liquids, and has

What is the mass in grams of BaCl2 that is needed to prepare 200 mL of a 0.500 M solution

What is potential energy? The energy of change The energy of position or composition The energy of mass or volume The energy of motion

How many significant figures are in the measurement 0.023040 cm?

Can y'all give me some examples of physical changes

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)