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The reactant concentration in a first-order reaction was 6.70×10-2 after 25.0 and 3.30×10-3 after 100 . What is the rate constant for this reaction?
calculate the theorretical yield of aspirin if 1.05 g of salicyclic acid is combined with 2.0 mil of acetic anhydride.
The equilibrium constant, Kp is 0.15 at 298 k for the reaction N2O4(g) 2 NO2(g) If the total pressure of the gas mixture at equilibrium
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached
If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
At 25 degrees Celsius, the reaction: H3O+ + NH3 --> NH+ + OH- is first order in each reactant, and has a rate constant of 4.3x 10^10 M^-1 s^-1
Given the pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water. Find the pH of the resulting solution.
C2H4+2O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent b. calculate the moles of water produced
If a reaction vessel initially contains only co and NH3 at concentrations of 1.00 m and 2.00m , respectively, what will the concentration of HCONH2 be at equilibrium?
what volume(in mL) of 0.0887 M MgF2 solution is needed to make 275.0mL of 0.0224 M MgF2 solution.
What mass in grams of carbon dioxide is produced if 85.0 mol of magnesium carbonate, MgCO3, are heated and allowed to decompose according to this equation? MgCO3(s)--> MgO(s) + CO2(g)
determine K for this reaction When a sample of 5.63 grams of pure C 5 H 6 O 3 (g) was sealed into an otherwise empty flask of 2.50 L and heated to 200.
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