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A photon has a wavelength of 293 nm. Calculate the energy of the photon in joules. Enter your answer in scientific notation.? What is the product of the aldol condensation between 4-methylbenzaldehyde and 4-methylcyclohexanone? The ratio of corres ponding sides of similar triangles is 14:15 what is the ratio of the perimeters? Is it possible for a chemical reaction to happen instantly? In other words, is it possible for the time of a reaction be zero? For the parent function y=√x the effect of a = 2 and h = -2 is the graph is stretched by a factor of |2| and moves 2 units to the left?