Answer:
Two reagents that can be used to distinguish between ethane and ethyne are Tollens' reagent and ammoniacal CuCl solution.
The cohesion-tension theory<span> is a </span>theory<span> of intermolecular attraction that explains the process of water flow upwards (against the force of gravity) through the xylem of plants.</span>
Answer:
B 144.0 s is the best answer of this question
solution:
You need to find the frequency, and they have already given you the wavelength. And since you already know the speed of light, you can use formula (2) to answer this problem. Remember to convert the nano meters to meters because the speed of light is in meters.