How many gallons of 30% liquid caustic does it take to raise the ph of 1,000 gallons of water from 7ph to 8ph

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.

Define the kinetic molecular theory

How does a noncompetitive inhibitor reduce an enzyme’s activity?