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Concentrated sulfuric acid (almost 100%) H2SO4 has a recognized density of 1.84 grams/cm^3. Based on this, calculate the molarity of this liquid.
a. 14.3 M
b. 15.5 M
c. 16.9 M
d. 18.8 M
e. 20.5 M
What feature of atomic emission spectra is incorporated in the schrodinger model of the hydrogen atom
An excess of solid nickel hydroxide (Ni(OH)2) is added to a flask of water. Find [Ni+2] at equilibrium and find pH at equilibrium.
What is the value of the mean ionic activity coe?cient for Ce2(SO4)3 when the electromotive force (EMF) for the cell: Ce(s) | Ce2(SO4)3(aq) | Hg2SO4(s) | Hg(l) is 3.208 V at 25 oC and constant pressure of 1 bar. The molality of Ce2(SO4)3 is 0.0170..
The following reactions ZnBr2 (aq) + 2AgNO3 (aq) -->Zn(NO3)2 (aq) + 2AgBr (s) KBr (aq) + AgNo3 (aq) --> AgBr (s) + KNO3 are examples of a. oxidation- reduction reactions b. acid- base reactions c. precipitation reactions d. a and c e. none of thes..
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base NaOH (aq)
A solution made from 6.50 g of an unkown compound in 27.8 g of diphenyl has a molality of 0.195 m. Calculate the molar mass of the unknown
Mg3N2 reacts with H2O to produce Mg(OH)2 and NH3. Determine the rate of change in the amount of Mg3N2 given the rate of change of Mg(OH)2 is 8.50×10-5 mol/s.
What is the theoretical yield and limiting regent if 2.6 g of benzaldehyde is reacted with 0.7 g of acetone to produce dibenzalacetone
an extended source emits 2.00 w cm-2 sr-1 nm-1 at 300 nm. calculate the spectral radiant power impingent on a 1.00 cm2
Describe the Liquid-liquid extraction of a mixture of potassium iodide , benzoic acid and napthalene. Explain reactions and interactions that are important
What is the change in the chemical potential of the liquid. as a function of change in temperature assuming the entropy near the boiling point is constant
Calculate the final temperature of the solution, assuming the delta H reaction for HCl + NaOH = -56.2 kJ/mole and that the solution's specific heat is the same as water: 4.184 J/g Celsius.
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