Determining the precipitate expected
You mix 2.0 mL of 0.50 M Cu(NO3)2 with 5.0 mL of 0.50 M KI, and collect and dry the CuI precipitate. Calculate the following:
Moles of CuI precipitate expected from Cu(NO3)2
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Enter que Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.) Enter scientific notation as 1.23E4.
What is the approximate ?H in kJ for the following reaction as written: 2NH3(g) --> 3H2(g) + N2(g) Careful, what kind of bond does the nitrogen molecule make
Determine the equilibrium constant for the gas phase T= 298k , 1 atm total pressure , mixture of hydrogen , iodine and hydrogen iodide.
Consider the following function. f(x) = x^3 ln x b) Use l'Hospital's Rule to determine the limit as x ? 0+, c) Use calculus to find the minimum value., d) Find the interval where the function is concave up.
The rate constant of the reaction: a. Depends on the concentration of reactants b. Describes the rate of the reaction when it reaches equilibrium c. Is a thermodynamic constant that is always true for a given reaction d.
We place 1.32 mol PCl5 in a 1.0 L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask
How is it possible for temperatures below the ice to be actually warmer than surface temperatures
For the reaction NH4CL(aq)=NH3(g)+HCL(aq),delta g=58.8 kJ and delta h=86.4 kJ. Is this reaction favored. If so, how. What would be the entropy change for the reaction of 2.04 moles of NH4CL(aq) at 349K and 1 atm
Calculate a rough value of the concentration of OH- ion, [OH-], in the saturated solution.The approximate value of the Ksp for calcium hydroxide is 6.510?6
Iodine-123 is used to establish thyroid gland function. If after 79.8 hours, 1.56% of the original dose remains in the patitent, what is the half-life
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