Which particles determines the name of the element?

Identify how the colligative properties of a solvent change when a solute is added, forming a solution.

What is the wavelength of microwaves of 3.0 * 10 to the 9th power hz frequency? a. 0.050 m c. 0.10 m b. 0.060 m d. 0.20 m

109. Give the symbol for each element and electron configuration for each atom. a. nitrogen b. beryllium c. phosphorus d. potassium

Strontium carbonate + sulphuric acid, chemical equation

What is the complete ionic equation for H2SO4 (aq) + Cal2 (aq) - > CaSO4 (s) + 2HI (aq) ?

Which are the organs of the digestive system

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?