Which of the following is an example of a reaction that you've seen in your everyday life ?
a. fire burning
b. water freezing
c. salt dissolving
d. ice melting

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

Which activity is an innate behavior