The diagram below represents a compressional wave. The region between points A and B corresponds to the wave's...
OA. wavelength
OB
amplitude.
OC. speed.
OD. frequency

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

How much energy is made when a pice of wood burns. how do you know

In 2002, the rare earth elements mine in mountain pass, california was closed because