Calculate the energy in kj/mol of a mol of photons
Calculate the energy in kJ/mol of a mol of photons in the gamma ray region of the electromagnetic spectrum that has a wavelength of 4.13 pm. Express answer in scientific notation.
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in one experiment, 0.3030 g of erythrosin b (M = 879.9 g/mol) was added to enough water to make 100.0 mL of solution A. 5.00 mL of solution A was added to enough water to make 100.0 mL of solution B. Finally, 5.00 mL of solution B was added to eno
An Olympic long jumper leaves the ground at an angle of 16.8 ° and travels through the air for a horizontal distance of 6.45 m before landing. What is the takeoff speed of the jumper?
The pKa of the acid function at the 2-position is approximately 2, whereas that at the 1-position is about 3. Which of the two is the more acidic and why?
What effects does MnO2 catalyst have on the rate of evolution of O2 gas? Write a balanced equation for the decomposition of H2O2.
A 3.40 kg block is held in place by a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal, as in Figure P4.60. Determine the minimum coefficient of static friction between block and ceiling that is required to k
Laser has a 1 m-long resonator with 98% and 100% mirror reflectances. Other loss mechanisms are negligible. The atomic transition has a central wavelength = 515 nm, spontaneous lifetime = 10 ns, and linewidth Δ = 3 pm (note the
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound?
The following model is used to represent the effect of the solar radiation on the photosynthesis rate of aquatic plants:P = Pm* e ^ ((- I/ Isat)+1).
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