WebYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: X-ray photons with a wavelength of 0.135 nm. Express the energy numerically in kilojoules per mole. E_1 = _______ gamma-ray photons with a wavelength of 2.60 times 10^-5 nm. Express the energy numerically in kilojoules per mole. Weba, 1 W/m2 ~ 4.6 photons (micromol/m2/s) b, 1 W/m2 ~ 0.25 lux c, 1 lux ~ 0.019 micromol/m2/s The calculation from b and c is different from a. What do you think about it? Do you have field data to...
How To Measure Lighting Level In Horticulture: PAR, PPF
WebMultiply the result by the number of photons that you want to measure. The result will be the joules of energy contained in the photons. In the example, we multiply by 12 … WebKilojoules per mole (kJ/mol) A Joule, J, is the SI unit of energy and is defined as one kg.m 2 /s 2 23. Kilocalories per mole (kcal/mol) Nanometer(nm) The prefix "nano" means 1 x 10-9: Hertz (s-1, Hz) A Hertz is a unit of frequency defined as a reciprocal second, s-1. For example, AC current cycles polarity 60 times per second, so we could call ... roper lake az fishing report
Ch. 21 Short Answer - Physics OpenStax
Web7 jun. 2015 · The number of "green" photons emitted per second can be found by google: "2000 lumens / (82 lumens/watt) * 800/6000 * 630 nm /planck's constant /speed of light" which says 1019 "green" photons/second. Share Cite Follow edited Jun 7, 2015 at 21:52 Ricardo 6,114 19 50 84 answered Jun 7, 2015 at 15:25 tomnexus 7,282 3 18 35 WebThe minimum quantum requirement for photosynthesis under optimal conditions is about nine. Thus, the energy used is 9 × 50, or 450 kcal per mole of oxygen evolved. Therefore, the estimated maximum energy efficiency of photosynthesis is the energy stored per mole of oxygen evolved, 117 kcal, divided by 450—that is, 117/450, or 26 percent. Web14 apr. 2024 · In this study, we traced 2.7 × 10 9 photons (each photon has an energy of 4.42 × 10 −19 J, thus, the total energy of the traced photons is 1.2 nJ) from the light source to a receiver with an MC simulator based on the Jerlov II water parameters shown in Table 1 and the parameters described in in the experimental setup of transmitter and receiver. roper ladies horseshoe athletic boot