What is the h+ of a solution with [oh-] = 5.37 x10-6 m at 25 oc?
8.55 x 10-8 m
1.86 x 10-9 m
2.84 x 10-12 m
4.13 x 10-3 m
5.95 x 10-6 m

If a reaction has g of -136kj at 110°c, will it be spontaneous at this temperature (110°c)? yes or no

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

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.