Asolution is made by adding 50.0 ml of 0.200 m acetic acid (ka = 1.8 x 10-5 ) to 50.0 ml of 1.00 x 10-3 m hcl.
a. calculate the ph of the solution.
b. calculate the acetate ion concentration.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?