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It was observed that electrons were released with a kinetic energy(KE) of 3.50× 10^(-19) Joules When a metal was exposed to light at 3.09× 1015 s^(-1) of frequency,. Determine the maximum number of electrons that could be emitted from metal by a burst of light with a total energy (E)of 9.86× 10^(-7) Joules?
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
Explain the structure of the main mononitration product(s) of 3 bromo 1 nitrobenzen?
A nugget of pure gold of 4.80 grams is absorbed 284 Joules of heat. if the initial temperature was twenty eight degree Celsius then what was the final temperature of the Au? The specific heat of gold = 0.129 J/(g·°C)?
An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
Elemental analysis of putrescine (The rotten smell of a decaying animal carcass is partially due to a nitrogen-contained compounded) showed
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
What is the formula of the zinc sulfate hydrate? name this compound
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
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