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Calculate the [OH-] of a solution with pH=4 a-1.0 x 10^-4 b- 4 x 10^ -1 c-1.0 x 10^10 d- 1.0 x !0^-10 Calculate the [H3O+] of a solution with pH =2 a- 2 x 10^-10 b-1 x 10^10 c- 1.0 x 10^+2 d- 1 x 10^-12 e- 1 x 10^-2 What is the solubility constant expression Ksp, for copper (II) hydroxiide, Cu(OH)2? a-Ksp= [Cu^2+] [2OH-] b-Ksp= [Cu^2+] [OH-]^2 c-Ksp= [Cu(OH)2]/[Cu^2+][OH-]^2 e-Ksp= [Cu^2+] [OH-]^2/[Cu(OH)2] The rate of any chemical reaction can be determined by observing a- the ratio of product concentraion to reactant concenration b- the precent composition of the final product c- the amount of product formed in a unit of time d- the theoretical yield of the reaction e- the number of chemical bonds broken and remade in the following gas phase reaction what is the effect of adding more NO2 to the starting reaction mixture? 2 NO2 <=> N2O4 a- it would decease the final quanity of products b- it would slow the reaction down c- it would make the reaction more endothermic d- it would make the reaction more exothermic e- i would increase the final quantity of products
if a 1.22 g piece of gold is hammered into a sheet whose area is 32.4 ft2 what is the average thickness of the sheet?
how many mL of 1.00M NaOH should be added to .700 liter of 1.00M NaH2PO4? pKa = 6.82
If we assume that the atmosphere of the earth is an ideal gas mixture, then each component is described by a separate barometric equation. This model predicts that the concentrations of heavier molecules, and therefore their partial pressures, dec..
The thermodynamic properties for a reaction are related by the equation that defines the standard free energy, Delta G circ, in kJ/mol: Delta G circ=Delta H circ-T Delta S circ where Delta H circ is the standard enthalpy change in kJ/mol and Delta..
Balanced thermochemical equation and enthalpy diagram, The decomposition of zinc carbonate, ZnCO3(s), into zinc oxide, ZnO(s), and CO2(g) at a constant pressure requires the addition of 71.5kJ of heat per mole of ZnCO3.
Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 20.4 g of acetone?
Calculate the pressure in the mindanao trench. depth = 11.5 km and the average mass density of sea water
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
Gold has a density of 19.3g/ml .suppose you have 100.0 glonkins of gold., what volume in liters will the gold occupy.
a furniture factory needs 31.5 ft2 of fabric to upholster on a chair. its dutch supplier sends the fabric in bolts of
After filtering off this precipitate, the pH is adjusted to 8 and H2S is again added; no precipitate forms. No precipitate forms upon addition of (NH4)2HPO4. The remaining solution shows a yellow color in a flame test. Based on these observations,..
Write a Lewis structure for each atom or ion. Draw the particle by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons and nonbonding electrons.
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