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A solution is made up by combining 50 mL of a 0.58 M acetic acid solution and 50 mL of a 2.18 M sodium acetate solution. What is the pH of the new solution?
For each of the following give the sublevel designation (name of orbital), the allowable ml values, and the number of orbitals- a. n = 5, l = 3 c. n = 2, l = 0 b. n = 3, l = 1 d. n = 6, l = 2
A solution is prepared that initially contains 0.10 M Ag+(aq) and 0.80 M NH3 (aq). The Kf for the formation of Ag(NH3)2+(aq) is 1.7 x 10^7. Write the equilibrium equation that represents the formation of this complex ion.
During a tritration, 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What was the concentration of the original sulfuric acid solution?
The reaction 4PH3(g) -> P4(g) + 6H2(g) is found to be first order in PH3 with a rate constant of 1.6*10^-2 sec^-1 at 650 C. a)Give the rate law (rate equation) for the reaction and explicitly state how the reaction rate in this case would be defin..
On a mission to a newly discovered planet, an astronaut finds chlorine abundances of 13.85% for 35Cl and 86.15% for 37Cl . What is the atomic mass of chlorine for this location. The mass of 35Cl is 34.97 amu. The mass of 37Cl is 36.97 amu.
water boils at 63.7 Celsius. What weight of ehtyl iodide would be carried over by 1g of steam during steam distillation?
Decide whether or not each of the following metals dissolves in 1 M HCl . For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
When drawing the lewis structure of TeCl4, WHY does Te have a lone pair. It's already connected to four Cl atoms and has 8 electrons.
There is no meso form for carvone. What symmetry element is absent in carvone that would allow for the existence of a meso form
Determine the standard enthalpy change of the following explosive reaction by using the apprpriate enthalpies of formation
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
What is the pH of a buffer solution made with 20 g of acetic acid and 30 g of sodium acetate in 450 mL of water? (Ka = 1.8 x 10-5). If concentrated HCl is added, will the pH increase or decrease?
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