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It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=.
If 3.00g of hydrosulfuric acid is reacted with 3.00 g of silver nitrate, calculate the mass (in g) of solid silver sulfide formed.
What is the pH of the solution formed by adding 2.77 grams of nicotinic acid (M. Wt. = 123.11 g/mol) to 250 ml of 0.050 M NaOH? For Nicotinic Acid Ka=1.4x10-5 and Kb=7.1x10-10
What are the equilibrium partial pressures of \rm PCl_3 , \rm Cl_2, and \rm PCl_5, respectively. For the exothermic reaction PCl3(g)+Cl2(g)\rightleftharpoons PCl_5(g) K_{\rm p} = 0.100 at a certain temperature.
Predict the initial and final products for the following reaction involving 2-pentyne. Hint: the products are isomers and in equilibrium with each other.
1. Predict the maximum oxidation state and the most stable secondary oxidation state for the following elements: i. Bi ii. W iii. Os
if 0.11 g of h2o2 decomposes in a 2.50 l flask at 25 degrees celcius what is the pressure of o2 and
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
Neon lamp spectrum shows many more distinct lines than that of hydrogen lamp. The reason is that
For the cell reaction, Cu^2+(aq) + Zn(s) (arrow) Cu(s) + Zn^2+(aq), E^* cell = 1.10V. Use the Nernst equation to determine E cell when the molar concentrations of Zn^2 and Cu^2+ are 1.0 M and 1.0 x10^-7 M, respectively.
Cd2 forms two complexes with C2H3O2, with the following formation constants:(a) Find K2 for the reaction, (b) You prepare 1.00 L of solution containing 0.110 mol CH3CO2Na and 4.00 × 10-4 mol Cd(ClO4)2. Compute the fraction of cadmium in the form ..
Circle the compound in each pair that you would predict to be more soluble in water. Give a very brief explanation for your choice. a. Nitrogen gas or Hydrogen fluoride gas b. Quartz crystal or (NH4)2SO4 crystal
What NaCl concentration results when 234 mL of an 0.640 M NaCl solution is mised with 6.52 mL of a 0.450 M NaCl solution
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