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Approximate the smallest kinetic energy in J that an electron would process if it were inside the nucleus of a hydrogen atom with no potential energy. As a first approximation, you may believe the nucleus as being a one-dimensional box of a length 10-14 m, with walls that are infinitely high. Suppose now that the electron is attracted to the proton. And they are separated by 10-14 m. Utilize coulomb's law to estimate the attractive energy. Based on results do consider the electron could be found within the nucleus? Explain
what is the ph at the equivalence point when 100 ml of 0.15 m hydrofluoric acid hf is titrated with 0.5 m sodium
What substitution product(s) is(are) obtained when 2-chlorobutane reacts with Ag/NO3/ethanol-water (1:1)
What is the pH of a 0.0278 M solution of CaO? HINT: CaO is ionic and dissociates into ions. What is the oxygen ion that results? What kind of an acid or base is it? You need to write out the acid/base reaction to get the stoichiometry right.
must be dissolved in 15.0g of camphor to lower its freezing point by 2 degrees celsius? constant k of camphor = 37.7 (*C x kg)/mol
considering the given equation fe2o3 s 3 co g ? 2 fe s 3 co2 g this is the overall reaction for the production of
Which one of the following pairs is a conjugate acid-base pair?
A sample with an unknown quantity of an analyte with a molecular mass of 71.24g/mol was dissolved in 250mL of ethanol. Then 5.0mL was withdrawn and diluted to 200mL.
Draw the structure of the organic product that is formed when 3-methylcyclopentanol is treated with the following reagents: 1) TsCl, pyridine; 2) NaCN.
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
what is the value of equilibrium constant Kp if the total pressure is 11 atm?
A sample of nitrogen gas, N2 is collecyed in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degress celsius. How many grams of nitrogen gas are present in this sample.
Show the electron configuration of phosphorus,P . Be sure to arrange the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
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