How does heat affect solubility of gases in a liquid?
a. solubility generally increases with heat.
b. solubility is not affected by heat.
c. solubility generally decreases with heat.
d. the particles of a solid lose their shape and do not dissolve properly when heated

What’s the scientific notation for the number 6,840,000,000

Can someone me with questions 12 and 13 plz.

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.