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In solid nickel the atoms are so tightly packed they touch each other. Using geometry and the equation 4r = a(2)1/2 and a = 3.524 calculate the value for r, the radius of a nickel atom. a. 2.27 b. 1.24 c. 3.9 d. 0.92 e. 4.7
Sketch a titration curve for the titration of 100mL of 1.25x10^-2 M ascorbic acid with 1.00x10^-2 M NaOH, given that Ka= 8.0x 10^-5 and Ka2= 1.6x10^-12. How many equivalence points should the curve have and what color indicator(s) could be used?
If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.02g of cisplatin (K2PtCl4+2NH3→2KCl+Pt(NH3)2Cl2), what is the percent yield of the reaction?
The gasoline combines with 340.0 kg of oxygen. What is the total combined mass of the carbon dioxide and water produced by combustion in the engine?
dependent Schrodinger equations of a particle with mass m confined in the one-dimensional potential (1/2)kx^2 , where k is some constant.
Suppose Joule encountered the waterfall at Niagara Falls. Calculate the height if the temperature difference between the top and bottom of the waterfall is 0.20° F.
Calculate q, w, ?E, and ?H for the process in which 80.0 g of nitrous oxide gas (N2O) is cooled from 162°C to 53°C at constant pressure of 5.00 atm. (See Table 9.1.) N2O Cv J/K mol = 30.38 Cp J/K mol = 38.70
Calculate the molarity (M) of the following solutions. Express the answer using 2 sig figures.
What would the atom ratio of 206Pb to238U be in a uranium mineral from a rock that is 1.0 × 10^9 years old? t1/2(238U)= 4.5 × 10^9 yr
Household vinegar is aqueous 5.00% acetic and CHC2H3O2 SOLUTION(by mass), if the density is 1,01g/ml calculate the mole fraction, molarity and molality.
which of the water samples that you tested had the highest calcium concentration? does this correlate with the total dissolved solids results you obtained
Which ions were present in the original solution? Write net ionic equations for the formation of each of the precipitates observed.
53.0 ml of 1.50 m solution is diluted to a volume of 268 ml. . determine the final concentration if a 134 ml portion of
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