PLEASE HELP based on the solubility graph, what effect does increasing the temperature of these substances have in their solubility? does this suggest that these substances are solids or gases? explain.

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?