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Question: If 9.5 grams of copper sulfate pentahydrate and 2 grams of iron are given, calculate which reactant is the limiting reactant. In other words, the formula is CuSO4+ 5H20. Given the limiting reactant above, how much copper, in grams, should be produced by this reaction.
a gas cylinder containing 6.38 mol of neon has pressure of 491mmhg at 295k. if 3.22mol helieum is added at constant
acetaminophen is a weaker acid than carbonic acid h2co3 but aspirin is a stronger acid than carbonic acid. prepare flow
write the equilibrium constant expression, Kc, for each of the following reactions: a)2HBr(g) H2(g)+Br2(g). b)2BrNO(g) Br2(g) + 2NO(g). c)CH4(g)+H2O(g) CO(g)+3H2(g).
Predict whether a reaction will occur in aqueous solution between the following pairs of substances. If a reaction does occur derive the net ionic equation. Specify the driving force : Precipitate formation (P) Water formation (W)
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12
plot the titration point. make sure there is enough data. F. what indicator wouldyou use for this titration. what color change would you observe.
Calculate the mass of zinc iodide formed when you have 1.o grams of zinc metal and 1.0 grams of iodide crystals
Which of the following compounds would have the lowest boiling point. a) CH4 b) HF C)K2O D) NO2 E) LiCl
Predict the sign of delta S for each of the following changes.
A sample of gas originally occupies 25.54L at 0.00 degrees C what is the new volume when it is heated to 21.00 degrees C (assume constant pressure)
A 25ml solution of quinine was titrated with 1.00 M hydrochloric acid, HCl. It was found that the soluiton contained 0.125 moles of quinine. What was the pH of the solution after 50 ml of the HCl solution were added? Quinine is monobasic with pKb=..
Calculate the wavelength of a photon emitted when the electron in a Li2+ ion relaxes from the n=6 energy level to the n=4 energy level.
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