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Problem- The Ksp of zinc hydroxide, Zn(OH)2, is 3.00 x 10^-17. Calculate the molar solubility of this compound.
Give reasons or calculations to sustain your answer
Problem- A light emitting diode emits photons with an energy of 3.221 x 10^-19 J. What is the energy per mole of photons emitted. Ans. 1.94 x 10^5 J/mol.
The decomposition of NO2 (shown below) has a KP = 4.8 × 10-6 at a certain temperature. If 1.36 atm of NO2 is placed in a flask at this temperature
calculate the temperature of an isothermal flash drum required to vaporize 40% of a liquid mixture of 60 mole% isopropanol and 40mole% n-butanol.
a caboxylic acid and an ester b bromobenzoic acid and benzoyl bromide c succinic acid and napthoic acid d maleic acid
Suppose A 5.0mL sample of vinegar was titrated with 7.2mL of 0.55 M NaOH(aq). If the density of the vinegar solution is .00 g/mL, explain what is the mass percent of acetic acid present
The student next added 3M KOH solution to the aqueous solution and Mg(OH)2 precipitated. After filtering the solution and drying the precipitate, the student recovered 1.10g of Mg(OH)2. Calculate the percent Mg(OH)2 in the mixture
Calculate the indicated quantities for a system consisting of 1 mol of N2 gas. Assume ideal gas behavior. a) The gas initially at 10 atm pressure is expaneded tenfold in volume against a constant external pressure of 1 atm, all at 298 k. Calculate ..
compound q has a molecular formula c6h10. q reacts rapidly with br2ccl4 and also reacts rapidly with cold concentrated
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland (760 normal pressure). How would the boiling points of a liquid compare in these two locations? Why?
How many molecules of water are required to carry over 1 molecule of iodobenzene? How many grams of water per gram of iodobenzene?
Describe the residue left on the filter paper after you have filtered the water, sand, and sodium carbonate mixture. What do you think this residue contains
If 8.0 moles of the gas A is placed in a 60.0 L tank with 1.0 moles of B at 0 degrees celsius and 1 atm, they react according to the equation. 2A(g) + B(g) ---> 3C(g) + D(g) How many moles are present in the tank when the reaction is complete
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