The solubility graph below shows the amounts of four substances that will dissolve in 100 grams of water at various water temperatures.
Which substance has 80 grams of solute dissolved in 100 grams of water
at 50 C?

Scientist wants to react a barium chloride salt with an acid. to speed up the reaction, the scientist crushes the barium chloride salt until it is a fine powder. this speeds up the reaction by a. increasing the ph of the salt. b. increasing the surface area of the salt. c. increasing the pressure of the salt. d. increasing the temperature of the salt. im thinking more a not 100% sure

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements