True or false. like poles of magnet attract each other while unlike poles repel each other.

Identify the atom that increases in oxidation number in the following redox reaction. 2MnO2 + 2K2CO3 + O2?2KMnO4 + 2CO2 a. O b. Mn c. KD. C

What visible evidence indicates that a solution is saturated?

Which property decreases when the element in group 17 are considered in order of increasing atomic number

Calculate the number of atoms in 23 g of sodium (Na).

How many kilometers are there in 4.5 x 10^3 meters?

Constance is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. the soup has to cook for 4 hours. while the soup is cooking, what will happen to some of the minerals that are in its ingredients?

Which of the following form solid solutions? Select all that apply. naturally occurring minerals gases present in air HCl and water sugar and water metal alloys

Alan's go-kart travels 1750 feet per minute, and Barry's go-kart travels 21 miles perhour. Who's go-kart travels faster?

What needs to happen for a solute to dissolve in a particular solvent? A) the attractions between the solute and solvent molecules must be greater than the attractions keeping the solute together and the attractions keeping the solvent together.

Which is a conversion factor for this statement of equality: 12 in. = 1 foot? 12 feet1 in. 12 feet 1 in. 1 in. 12 feet 1 in. 12 feet 1 foot12 in. 1 foot 12 in. 1 foot1 in. 1 foot 1 in.