Discover Questions

Calculate the pH of a solution that is 0.0600 M HC7H5O2 and 0.120 M NaC7H5O2. The Ka for HC7H5O2 is 6.5 × 10-5.? Let a = the length of a car in meters. Let b = the length of the same car in centimeters.
Which number is greater, a or b?
Use the drop-down? How would the expression (x^2+4)(y^2+4) be rewritten using Two Squares? How can a trillion events be measured in the span of a microsecond? If the light resulting from so called nuclear fusion produces a color temperature of Green,how come we see the Sun from Earth as amber?