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Explain the differences between photo-chemical smog and London type smog as far as composition and color is concerned in at least 5 lines.
By how much will the pH change if 0.025 mol of HCl is added to 1.00 L of the buffer that contains 0.15MHC2H3O2and 0.25MC2H3O2-? UseKa= 1.8 × 10-5for HC2H3O2.
What volume of 0.300 M HNO3 will be needed to react with 24.0 ml of 0.250 M KOH? Calculate the molarity of 40.0 ml of a H3PO4 solution neutralized by 120.0 ml of 0.530 M NaOH
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
Question- One drop has a volume of about 0.05 mL, thus the concentration of Cu2+ in the dilute half-cell is about (0.05mL/25mL)(0.1M)=2x10^-14 M. use Nernest equation E=-(0.0592/n) log [An+ Mdil] / [An+ Mconc] to calculate it at 298K.
Calculate the molarity of a solution of HBr if 34.80 mL of the HBr solution neutralize 0.834 g of Na2CO3. The following is the unbalanced equation for the reaction
When solid mercury (II) is heated, it forms solid mercury (II) oxide and gaseous nitrogen dioxide and oxygen. what is the balanced equation?
How many moles if sulfuric acid will react with 18 mol of Aluminum?
Problem- The rate constant for a first order reaction is 1.20 x 10^-2 s^-1 at 45 degrees Celsius and an initial concentration of N2O5 is 0.01500M with no NO2 and O2 present.
what wavelength of light in nm is absorbed by a ground state hydrogen atom could cause an electron to transition to n=3
Calculate How many palladium atoms will have to be laid side by side to span a distance of 4.28 mm if The radius of a palladium atom is 137 pm.?
the process (A-> B is first order with a half-life of 0.21 seconds. How long would it take for 15.0M of A to decrease to 0.25 M?
What is the solubility product constant for Ag3PO4 if 6.37 mg of Ag3PO4 can be dissolved in 850 mL of water?
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