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The density of helium is .01784g/l at S.T.P. I a given mass of helium at S.T.P is allowed to expand to 1.500 times its inital volume bu changing the temperature and pressure, compute its resultant density
The dissociation pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water
Electron Donor and Receptor in Metal Complexes, In the first step of the catalytic cycle, the alkene bonds to palladium to make a new metal complex The alkene is now a ligand because the pi-bond of the alkene is donating some of its electrons to p..
what are the differences in the type of inhibition caused by heat, acid or base, and heavy metal ions on enzyme activity?
Calculate the number of molecules inside the cell, which is 3.6um long and 1.2 um in diameter.
A concentrated sulfuric acid solution is 65.0% H2SO4 by mass and has a density of 1.55 g/mL at 20°C. What is the mass of 8.00 L of the concentrated sulfuric acid solution?
C2H4 + 3O2 = 2CO2 + 2H2O If you start with 54 grams of ethylene (C2H4) how many grams of carbon dioxide will be produced?
How many joules of energy are necessary to heat the steam from 100.0C to 114.0C if the specific heat of steam is 2.02 J/ g C
At 350 K, Kc = 0.142 for the reaction 2BrCl(g) -> Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal concentrations of bromine and chlorine, 0.058 mol/L. What is the equilibrium concentration of BrCl? Answer in units of M.
A 1.23 mol sample of KOH is dissolved in 425 ml water. find the molarity of the solution
Why does dropwise addition of acetophenone to a grignard reagent warrant precautions in lab?
when 8.00g of NaOH is added to a calorimeter filled with 75.0mL of HCl the temperature of the solution increases for 25.0 C to 33.5 C. calculate the molar heat of neutralization for the NaOH. (assume that the density of the solution is 1.00gmL)
Naming compounds containing double as well as triple bonds, Alkenes contain double bonds while alkynes contain triple bonds. How do you name a compound that has both a double and a triple bond
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