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A proton is approxomately (a) 200 times larger than electron (b) 2000 times larger than electron (c) 200 times smaller than electron (d) 2000 times smaller than electron (27) which are isotopes? An atom that has an atomic number of 34 and a mass isotope of an atom that has (a) an atomic number of 32 and a mass number of 76 (b) an atomic number of 34 and a mass number of 80 (c) 42 neutron and 34 protons (d) 42 protons and 34 neutrons
Antitumor agent, cisplatin, Pt(NH3)2Cl2 is prepared from the following reaction: K2PtCl4 + 2 NH3 ? Pt(NH3)2Cl2 + 2 KCl Assume that 10.0 g of K2PtCl4 reacts with 10.0 g of NH3.
What is the entropy change for a particle in this system if the final number of microstates is 0.680 times that of the initial number of microstates
In Part A, we saw that the theoretical yield of aluminum oxide is 1.40 mol. Calculate the percent yield if the actual yield of aluminum oxide is 0.672 mol.
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 21.2cm higher than the level in the arm open
This experiment focused on a carbonyl group converted to an imine and then to an amine. Explain what spectroscopic techniques you could use to identify the progress of this reaction
Give the basicity order? List from most to least basic. 3. Explain the basicity order in terms of resonance and inductive (polar) effects and solvation effects.
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
the intermediate(s) structure and reaction conditions, They are multistep so if you could please explain the route you chose
How many grams of Cuso4 are needed to prepare a .150 molal solution in 300 grams of water?
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
Suppose you wished to control the PO43- concentration in a solution of phosphoric acid by controlling the pH of the solution. If you assume you know the H3PO4 concentration, what combined equation would be useful for that purpose? Include physical..
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
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