How many red photons (4.00e14 Hz) would it take to equal the energy of 20,000. green photons (565 nm)? A. 2.66e-5
B. 4.27e25
C. 2.66e5
D. 2.89e5

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.