Posted by **Shylo** on Tuesday, February 10, 2009 at 12:49am.

Please help me with this question from my homework package

What is the minimum number of photons with wavelength 645nm needed to prepare 135 grams of glucose?

When the thermochemical equation is

C6H12O6(s)+ 6O2(g)--> 6CO2(g)+ 6H2O(g) Reaction is -2539.01 Kj/mol

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