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Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties.
(a) CaCO3, Ksp = 8.7x10^-9. __ mol/L
(b) CdCO3, Ksp = 5.2x10^-12. __mol/L
(c) PbI2, Ksp = 1.4x10^-8. __mol/L
1.202 g of a solid white acid are dissolved in water and completely neutralized by the addition of 35.26 mL of 0.482 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
Predict the proton NMR spectrum expected for CH3CHBrCH3. Indicate the proton responsible for the observed peak. Sketch the spectrum.
Calculate the molar mass (g/mol) of a gas whose root mean square speed is 796 m/s at 512 K.
the equilibrium constant for the reaction hno2aq h2ol rarrno-2 aq h3oaq is 4.3 times 10-4 at 25? c. will nitrous acid
The decomposition of H2O2 is a first order reaction. Consider H2O2 has its initial concentration as 2.32M. What will be the concentration at t=1200 seconds? Use k=7.30*10^-4*s^-1
What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
Assuming an ideal solution, what is the molecular mass of the compound?
what percent of ca3po42 a major component of bone is ca and what mass of ca is present in 1 kg ca3po42? 3.46 how many
Calculate the density of hydrogen sulfide gas, H2S, at 60.°C and 953 mmHg. Obtain the density in grams per liter.
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..
Among the elementary subatomic particles of physics is the muon, which decays within a few nanoseconds after formation. The muon has a rest mass 206.8 times that of an electron. Calculate the de Broglie wavelength associated with a muon traveling..
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