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Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
question when a 90 g sample of an alloy at 100.0 oc is dropped into 90.0 g of water at 24.6 oc the final temperature is
a 33.00 sample of an unknown solution is titrated with a 0.110 solution. the equivalence point is reached when 28.38 of
A modern chealting agent used for this purpose is succimer (C4H6O4S2). Suppose you are trying to determine the appropriate dose for succimer treatment of lead poisoning.
When 8.6 g of toluene is mixed with 9 g of pure nitric acid, only 6.7 g of trinitrotoluene (TNT) is recovered from the mixture when it is separated from other undesired byproducts. What is the percent yield of the synthesis? C7H8 + 3 HNO3(l) ? C7H..
state the arrhenius bronsted-lowry and lewis definitions of acids and bases. given an acid-base reaction equation pick
Write the half reactions and the blanced equation for the galvanic cell: Ag(s) | AgCl(s) | Cl^-(aq) || Cl^-(aq) | Hg_2Cl_2(s) | Hg(l).
Describe briefly four types of batteries. In your description, include the redox reactions
Suppose buffer #1 is prepared using 40.0 mL 0.1 M HC3H5O3 and 60.0 mL 0.1 M C3H5O3- to give a final volume of 100.0 mL. What is the pH of this buffer
a compound contains 10.13 c and 89.87 cl by mass. determine both the empirical formula and the molecular formula of the
The saturated Ca(OH)2 solution has an equilibrium pH of 11.68. Determine the molar solubility and the Ksp, for Ca(OH)2 from this single pH measurement.
A major component of gasoline is octane (C8H18) . When octane is burned in air, it chemically reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O).
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