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24 mL of 0.25 M NH3 solution is titrated with 0.40 M HNO3 solution, calculate the pH of the solution when 10 ml of HNO3 is added. Kb(NH3)=1.8*10^-5.
the dipole measured for is 0.380d . the bond distance is 161pm . what is the percent ionic character of the
Write down the reactions that occurred in each test tube if no reaction occurred then put NR on the product side Test tube.
If delta H is negative and delta S is positive, which of the following is true? a) The reasction os never spontaneous, b) the reaction is always spontaneous
what is the value of k using the equation delta Grxn=-RTlnk? (Assume -R is equal to -8.314 and T is 298K)
what is the final temperature of a metal sample weighing 34.526 g was heated to 98.0 degrees celcius then quickly
Calculate the correct volume of sulfuric acid which will need to be added to neurallize the base. The chemical reaction involves Al(OH)3 and Fe2O3 reacting with KOH and H2SO4 with the end product being KAL(SO4)2*12H2O.
Based on the number of chiral centers in Morphine, determine the maximum number of stereoisomers that are theoretically possible
Consider the following reaction: 2 HI(g) -> H2(g) + I2(g) If 3.55 moles of HI(g), 0.550 moles of H2, and 0.630 moles of I2 are at equilibrium in a 1.00 L container at 915 K
calculate the freezing and boiling points of each of the following solutions. 0.40 mol ethylene glycol and 0.17mol KBr in 122 g H2O.
A 10.00 mL aliquot of weak base is titrated with HCl. The equivalence point is reached after 17.21 mL of 0.4332 M HCl has been added. The pH is equal to 10.03 after 5.00 mL of HCl was added. Determine:
You decide to put your growing knowledge of chemistry to profit by making and selling boutique soaps that are ultra mild and have an almost neutral pH. What is the pH of your best liquid soap made from a fatty acid that has a pKa value of 2.0? The..
Use the ksp values to calculate the molar solubility of each of the following compounds in pure water BaSO4(ksp=1.07x10^-10) PbCl2(ksp=1.17x10^-5) Ni(0H)2(ksp)5.48x10^-16
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