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A .150 gram sample of solid lead(II) nitrate is added to 125 mL of .100 M sodium ... .100 M sodium iodide solution. Calculate the number of moles of each reactant? .... 1.51x10 15 atoms Si to mol Si 2. 4.25x10-2 mol H2SO4 to molecules H2SO4 3. .... when 10.2g MnO2 react with 18.3g HCl which is the limiting reactant.
Can someone show me how to draw the reciprocal lattice for a simple tetragonal structure with a=0.4nm and c=0.5nm?
Into how many tubes can you dispense 450microliters of buffer using a micropipette set at 2.5 microliters
Solid CO2 (dry ice) sublimes at 195 K and its heat of sublimation ?Hsubl = 25.2 kJ/mol. A block of dry ice with a mass of 32.1 g sublimes. What is the entropy change, ?S, of the CO2? (Enter your answer in J/K).
Draw the structure of a DNA nucleotide represented by the abbreviation "C." Do not include formal charges on the phosphate group.
Calculate the amount of energy released when 8.02g of Hydrogen reacts with excess Oxygen.
compute the number of grams of h2so4 in 1 gallon of battery acid if the solution is 38.9 sulfuric acid by mass and has
List the following in order of decreasing H3O+ concentration, highest to lowest. A) HC2H3O2, Ka= 1.8x10^-5 B) HClO, Ka= 3.5x10^-8 C) H3BO3, Ka= 7.3x10^-10 D) HC7H5O2, Ka=6.3x10^-5 E) H2S, Ka=1.0x10^-7
A volume of 95.0ml of h2o is initially at room temperature 22.0 C. A chilled steel rod at 2.00 *C.is placed in the water. If the final temperature of the system is 21.2 *C. what is the mass of the steel bar?
Why does the pink color of phenolphthalein fade away and is soda pop acidic. Why
A cubic meter of a gravel-and-sand aquifer has been contaminated with 20 L of tetrachloroethylene. If the amount of tetrachloroethylene dissolved in aquifer water is 20 percent of its aqueous solubility,
considering the given chemical equationnbsp 2h2sg2h2gs2g for the equilibrium where givennbsp kc9.0x10-8 at the
A disulfide bridge forms between two cysteine residues. d. Disulfide bridges can exist between two amino acid residues on the same chain. e. Disulfide bridges are formed by an irreversible oxidation reaction.
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