The literature value for the pKc of bromocresol green is 4.70 at 25 degrees Celsius. A student experimentally determined the pKc value of bromocresol green as 4.67. What is the % relative error for this student's result?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!