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Which of these compounds are soluble in water? AgNO3, KCl, NaCl, AgCl, Al(OH)3, BaSO4, Ca(OH)2, H2SO4
Would the mass of the precipate collected be more, unchanged, or less if the residue was washed with hot distilled, deionized water instead
Zinc reacts with hydrocholric acid according to the reaction equation. Zn(s) + 2HCl(aq) arrow ZnCl2(aq) + H2(g) How many milliliters of 2.50 M HCl(aq) are required to react with 7.5 g of Zn(s)
What is true about ideal gas particles? a. Particles interact via the Lennard-Jones potential b. Particle volume is approximated as a sphere with diameter b
A certain weak base has a Kb of 7.40 x 10^-7. What concentration of this base will produce a pH of 10.06
how many grams of NaNO3 would you add to 250.0g of H2Oin order to prepare a solution that is 0.500 molal in NaNO3
Compute the number of rads and rems of radiation in five years from such a level of plutonium.
If the valve is open and the gasses mix and assuming that the temperature is constant, what is the final total pressure
What is the energy, in J/photon, of electromagnetic radiation that has a frequency of 2.89 x 1015Hz ? Express your answer to 3 significant figures in scientific notation and do not include units.(4.45 x 10-3 can be represented in scientific notati..
what is the DO concentration at saturation in water if the temperature is 10degree celcius and pressure is 1 atm?express your answer in mg/l of O2(oXYGEN).
What is the pH of a 0.15 M solution of the weak base ammonia (NH3). The Ka of the conjugate acid is (NH4) is 5.6e-10.
What pair of elements would you expect to exhibit the greatest similarity in physical and chemical properties. WHY.
Sodium hydroxide is slowly added to a 225 mL of a solution that is 3.0*10^-2 M Ba2+ and 1.5*10-3 M Cr3+. Which will precipitate first
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