Which describes a scenario in which the doppler effect is occurring?

a. the volume increases.
b. the pitch changes from low to high.
c. the pitch changes from high to low.
d. the volume decreases.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Tell me the iupac name of the following compounds: