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Question- A particular monochromatic green light source emits light with a frequency of 594 THz. What is the energy of a photon emitted from this light source?
I am stuck in between this question please help me out
Problem- A sample of 300.0 g of drinking water is found to contain 38 mg Pb. What is this concentration in parts per million
High-purity benzoic acid (C6H5COOH; ?Hcomb = -3227 kJ/mol) is a combustion standard for calibrating bomb calorimeters. A 1.169 g sample burns in a calorimeter (heat capacity of calorimeter alone = 1365 J/°C) that contains exactly 1.200 kg of water..
Question- Nitrogen dioxide dimerizes to form dinitrogen tetraoxide. 2 NO2(g) ? N2O4(g) Calculate the value of Kc, given that the gas phase equilibrium constant, Kp, for the reaction is 1.3 × 103 at 273 K
Calculate the pressure, in atmospheres, of 3.94 mol CO(g) in a 4.25 L tank at 31 degrees C.
Kc=4.6*10-3 for the reaction below at 25 celsius. evaluate Kp at 25 celsius N2)4(g)---->2NO2(g)
Compute the radioactive heat gain in watts by a loaf of bread at a surface temperature of 100 C. The surrounding oven surface temperature is1000 C. the total surface area of the bread is 0.15 m2 as well as the emissivity of the bread surface is 0...
An electrochemical cell has an Eocell of 2.00 V and transfers 1 mole of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G
if the hindenburg held 2.0 times 10^5 m^3 of hydrogen gas at 23 degrees C and 1.0 atm, what mass of hydrogen was present
consider a solution that is 0.10 m in a weak triprotic acid a triprotic acid is an acid which has three h or hydrogen
The percentage of an additive in gasoline was measured six times with the following results: 0.14, 0.15, 0.16, 0.17, 0.20, 0.11%. Find the average and RSD and 90% confidence intervals for the percentage of the additive.
Determine the osmotic pressure of a solution that contains 0.042 g of a hydrocarbon solute (molar mass = 340 g/mol) dissolved in benzene to make a 350-mL solution. The temperature is 20.0°C.
What mass of zinc can be plated onto a metal sheet (a process call "galvanizing") from an aqueous zinc sulfate solution using a 0.755 amp current for 1.50days
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