Two 20.0-ml samples, one 0.200 m koh and the other 0.200 m ch3nh2, are titrated with 0.100 m hi. a. what is the volume of added acid at the equivalence point for each titration? b. is the ph at the equivalence point for each titration acidic, basic, or neutral? c. which titration curve has the lower initial ph? d. sketch each titration curve.

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5