If 4520 kJ of heat is needed to boil a sample of water, what is the mass of the sample of water (ΔHvaporiztion = 2260kJ/kg) ?

How much charge does a proton have with the mass (amu) of 1

Hola alguien me dise El numero de la ballena azul es que quierobhacerle bromas si alguien lo sabe digabmelo los espero

Which are the more common types of solutions?

Connie was making sodium chloride by adding an acid to an alkali. She followed the progress of the reaction with a pH sensor. At which pH would she know that the acid and alkali had completely reacted to give a salt solution?

It is thought that bonding of adhesives occurs at the molecular level. what is the technical name of the force which holds glue to its bonding materials?

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people

How do compounds affect an atom's stability

You need to make 10 mL of 2 mg/ml solution of protein and you have 25 mg/mL solution. How much protein solution and water do you need to mix in order to make the required solution?

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container