The ph of 0.50 m benzoic acid is 2.24. calculate the change in ph when 2.64 g of c6h5coona is added to 38 ml of 0.50 m benzoic acid, c6h5cooh. ignore any changes in volume. the ka value for c6h5cooh is 6.5 x 10-5.

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

Why are pipes bursting in the in extremely cold weather?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.