a powder has a mass of 40.0g when the powder is added to 30.0ml of water the total volume is 45.0ml what is the denaity of the powder

Blank occurs when water molecules at the surface of a pool have enough kinetic energy that the attractive forces holding them to the liquid can be overcome

What subatomic particle stabilizes the nucleus?

Carbon Dioxide reacts with ammonia NH3 and water producing ammonium bicarbonate (ammonium hydrogen carbonate.) How many kilograms of ammonium bicarbonate, ammonium hydrogen carbonate, are produced if 4575 L of ammonia is reacted at STP?

How Do Single-Celled Decomposers Get Energy?

A volleyball contains 1.36 g of nitrogen gas. How many moles of N2 gas are in the volleyball?

The compound h3po4 is named: a. nitric acid. b. sulfuric acid. c. phosphoric acid. d. ethanoic acid.

What does charles law state

Hf is a stronger acid than nh + 4. which base would be stronger: f - or nh3? 1. f - 2. both bases would be equal in strength. 3. nh3 4. cannot tell from the information given. 5. neither f1 - nor nh3 would be bases.

The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. Calculate the density and molality of the solution.

Whats 2 properties of iron?