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The human eye is able to detect as little as 2.35 x 10 ^-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light that can be detected by the human eye.
the mass of the flask is measured when the outside of the flask is wet. However in part B.3 the outside of the flask is dried before its mass is measured.
Which one of the ions (i) Cl- and (ii) Ce3+ will be oxidized by MnO4- in acidic solution? Write balanced equations for these and calculate the standard potential for each reaction?
Cv and Cp denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then (A) Cp âˆ' Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas.
An unknown liquid with a boiling point of 58 C at 670 mmHg is soluble in water, cyclohexane and alcohol, what's the liquid.
Hypervenilation raises the pH of the blood in a condition known as respiratory alkalosis. Common treatment is to have the patient breathe into a paper bag,
A 1.70-g sample of a large biomolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
What is the difference in density of the air at the top and bottom of the room? (Hint: assume that the volume and pressure is the same, if you like, you can take the volume to be 1L and the pressure to be 1atm, but if you think carefully you may r..
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0g of luminol into a total volume of 75.0 mL of H 2 O .
Provide the structure of an aromatic compound with seven carbon atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds)
When a 4.25-g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 degree C to 16.9 degree C.
Determine the order of the reaction and write a narrative of your approach to determine its order. What is the rate constant for the reaction?
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