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If a molecule having an ionization energy of 11.51 eV produces a photoelectron having a kinetic energy of 8.6508E-19 J, what is the wavelength of the incident radiation?
Consider a gas in a container with an initial pressure, temperature, and volume. What will happen to the volume of the gas if the number of moles are increased 6 times (6x), the pressure is quadrupled and the temperature is tripled
phosphorus-32. is a radioactive isotope with a first order constant of 0.0485 days-1.if a sample has an initial mass of 0.48g of phosphorous-32,how much of the isotope remains after 15.5 days?
What is the final temperature in a squeezed cold pack that contains 50.0g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18 for the solution, an initial temperature of 27.0 C, and no heat transfer between the cold pack and the..
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction.
Complete the molecular equations for the precipitation for the following equation(please include the states) Al(NO3)3+3NH4OH
Which term or terms could be used to describe this sample of gold? Check all that apply. mixture heterogeneous mixture homogenous mixture solution pure chemical substance compound element
The Ka for boric acid is 7.3 x 10-10. What is the pKa of boric acid?
Write a detailed sheet/ flow chart for the isolation and purification of 1-bromobutane. Designate how each minor-product is removed form the major product and which layer holds the product in each experimental step performed.
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg?
determine the functional form of phit and the frequency of a pendulum bob whose mass is m and is attached to a massess
A sample containing both enantiomers is found to have an observed rotation of +0.87 degrees in a one dm tube at a concentration of 0.025 g/mL. What is the optical purity of the sample? What is the % of the dominant enantiomer in this sample?
Aqueous solutions of each of the following salts {sodium acetate, sodium phosphate, sodium formate, and sodium carbonate} have a pH that is > 7. The reason for this is that the anion undergoes a so-called "hydrolysis reaction".
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