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Question- In 1982 a team of German physicists synthesized a new element by smashing an iron-58 nucleus into a bismuth-209 target. If a neutron was released from the collision, what is the new nuclide?
You must show your work in an efficient manner so I can understand it in clearly
How much heat is associated with the dissociation of a weak acid, NaHSO4 in water? HSO4^-+H20 >>> H3O^+ + SO4^2-? (not sure if this is a seperate part?) Is this dissociation exothermic or endothermic
mass is obtained in the reaction, what mass of S2O3^2- was present initially, assuming the reaction went to completion? the density of the HSO3^- solution is 1.45 g/cm^3
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
calculate the average rate of disappearance of A for each 40-s interval, in units of mol/s. c.) what additional information would be needed to calculate the rate in units of concentration per time?
Draw all unique isomers of the complex [Cr(en)Cl(H2O)3]2+. Indicate whether each one is chiral or achiral. (You can abbreviate the "en" ligand as "N-N" in your drawing).
The oxygen atom with its 2s orbital forms a s bond with one of the three sp2 hybrid orbitals of the carbon atom; the two hydrogen atoms with their 1s orbitals each form a s bond with one of the three sp2 hybrid orbitals of the carbon atom.
if you have a five carbon molecule that has an aldehyde group on one end and an oh group on the other and you put it
Why is it not possible for the molar mass of a monoprotic acid to have a value less than 1g/mol
Addition of 48.5mL of 2.238 m of H2SO4 (solution density = 1.1243 g/mL) to 48.5 mL of 2.238 M BaCl2 gives a white precipitate. What is the mass of the precipitate in grams
A certain reaction has an enthalpy of delta H= -24KJ as well as an activation energy of Ea =73kj. Explain what is the activation energy of the reverse reaction
Apotential of 0.33V is measured against a Ag/AgCl electrode. What would it be when measured against: NHE and SCE
You are given solutions of HCl and NaOH and must determine their concentrations. You use 30.6 mL of NaOH to titrate 100. mL of HCl and 18.0 mL of NaOH to titrate 50.0 mL of 0.0796 M H2SO4. Find the unknown concentrations.
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