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A 6.0 g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
a liver biopsy demonstrates cystathionine synthase and cystathionase levels are normal. this patient may have a deficiency of
Now take another 37 mL of the 0.50 M pH 6.83 buffer and add 1.3 mL of 1.00 M NaOH. Using steps similar to those above, calculate the new pH of the solution.
palladium crystallizes with a face-centered cubic structure. it has a density of 12.0 gcm3 a radius of 138 pm and a
Draw the lowest energy conformation of 3-ethyl-2,4,4-trimethylheptane, depicting the C3-C4 bond on a sawhorse.
To isolate the barium ion the hydrate was reacted with sodium carbonate to from a white precipitate of barium carbonate. Data from this reaction is given below:
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
A weak base indicator (In) may be considered to be in equilibrium with HIN+ and OH- ions. The color of the non-ionized molecule is green and that of HIn+ is yellow. What would be the color of this indicator in a very acidic solution? explain. HINT..
What is the frequency of a photon emitted from a hydrogen atom when an electron makes a transition
the speed of sound in air is 344 ms at room temperature. the lowest frequency of a large organ pipe is 30 s-1 and the
Balance and complete these reactions. Also write reaction type (combination, decomposition, single replacement, double replacement) a. Cu+ HNO3 ---> b.Cu(NO3)2 + NaOH ---> c. Cu(OH)2 (heat)---> d. CuO +H2SO4---> e. Zn + CuSO4 ---> f. Zn + H2SO4 --..
a 5.00 l volume of ethane gas is heated from 298 k to 596 k. if the pressure remains constant what is the final
chlorine triflouride gas at 708 mmHg and 50 degrees celcius. what is the mass (in g) of the sample?
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