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The Ksp of calcium carbonate is 4.5x10^-9. What is the concentration of a saturated calcium carbonate solution?
Calculate the volume of 0.460 M radium hydroxide solution required to completely neutralize 10.00 mL of 1.17 M phosphoric acid
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
What is the wavelength (in meters) of a proton (mass = 1.673*10^-24 g) that has been accelerated to 30% of the speed of light.
calculate the number of NaCl formula units formed when 190 Na atoms and 98 Cl2 molecules react? 2Na + Cl2 → 2NaCl
Calculate the rate of Fe2 O3 production (kg/min) in the outlet solid stream, and the total molar flow and composition of the outlet gas stream.
Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius?
Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.
a 40 gram sample of water at 25 degrees celcius absorbs 500 joules of energy. what is the final temperature of the water? the specific heat of water is 4.18 joules/g degrees C.
Consider the following reaction: CO(g)+H2O(g)in equilibrium with CO2(g)+H2
hydroxylamine nitrate contains 29.17 mass % N, 4.20 mass % H, and 66.63 mass O. If its molar mass is between 94 and 98 g/mol, what is its molecular formula?
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
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