How many neutrons does potassium have? 2 19 20 39

A 500-g sample of Al2 (SO4) 3 is reacted with 450 g of Ca (OH) 2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?

Using VSEPR theory, a molecule with the general formula AX#E# (A is the central atom, X is the bonded atom and E is a lone pair of electrons), how many regions of electron density around the central atom in AX5? (the E subscript is zero)

How many milliliters of a 8.20 m licl solution contain 18.4 g of licl?

What would happen to a 10 kg block of ice if you slowly increased the kinetic energy of the molecules within the ice

Consider the reaction pathway graph below which process would produce a similar pathway

You live 15.0 miles away from a shopping center and wish to calculate the distance in feet. There are 5280 ft in one mile

What is shielding effect?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?

3 A2 + B2 >>> 2 units of product 3 AA + BB >>> 2 products 3 volumes + 1 volume >>> 2 volumes product 3 liters + 1 liter >>> 2 liters product 3 moles A2 + 1 mole B2 >>> 2 moles product Click to get the correct formula for the product of the reaction.

The density of a substance with a mass of 48 grams and a volume of 3 ml is what