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When titrating 0.15 M HCl with a calcium hydroxide solution of unknown concentration, 35 mL of acid are required to neutralize 25 mL of the base.
a. Write the balanced molecular equation.b. Write the balanced net ionic equation.c. How many moles of H+ are present?d. How many moles of OH- are required to neutralize the acid?e. What is the molarity of the base?
Calculate the standard free energy change at 25 degree Celsius with F=96,500 for 3Fe^2+(aq) + 2Cr(s) --> 3Fe(s) + 2Cr^3+(aq)
Calculate the volume in liters of a 0.133mol/L copper (II) sulfate solution that contains 150.g of copper (II) sulfate (CuSO4).
AgBr is the light-sensitive compound in most photographic films. Assume, when film is exposed, that the light energy absorbed dissociates the molecule into atoms.
Determine the linear and volume shrinkages that occur during the drying and sintering of a gel containing 5 vol% solids if the dried gel and the sintered gel have a solids content (relative density) of 50% and 100%, respectively
A sample of oxygen occupies 10.0 L at 4.00 atm pressure. At what temperature will the pressure equal 3.00 atm if the final volume is 8.00 L.
A 7.8g sample of C6H5NH3Cl is dissolved in water to make 450.mL of solution. What is the pH of the solution? pKb(C6H5NH2) = 9.37.
Provide me with your exact logic used to get the answer. A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
A copper wire with a mass of 4.32 g reacts with sulfur to form 5.41 g of a copper sulfide compound. a) Determine the number of moles of copper and sulfur in the compound. b) Determine the empirical formula of the product.
Given the initial rate data for the reaction A+B->C, determine the rate expression for the reaction. [A], M [B], M delta[C]/delta t (initial) M/s
ferrophosphorus fe2p reacts with pyrite fes2 producing ironii sulfide and a compound that is 27.67 p and 72.13 s by
The Ksp for PbSO4 = 2.53 X 10-8. What is the molar solubility of PbSO4 in a 4.20M solution of gallium sulfate?
If the tempurature of the combined solution rises to 27.8 degree C what is the DeltaHrxn (delta heat reaction) (in kJ/mole) for this process?
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