What mass of solute will dissolve in 100 g of water at the following temperatures?
2. KNO, at 70°C
b. Nach at 100°C
CNC 90°C
d. Which the above three substances
is most soluble in water at 15*C?

What three natural resources are found in the great lakes region

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness