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A object of 50.0 grams Ag(silver) is combined to 75.5 milliliters of H2O ,water contained in a graduated cylinder. Determine What would be the total volume in the graduated cylinder if density of Ag= 10.5 g/mL.?
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
A 1.0 L buffer solution is 0.250 M LiC2H3O2 and 0.050 M HC2H3O2 . Which of the actions will destroy the buffer? (a)adding 0.050 moles of LiC2H3O2(b)adding 0.050 moles of HCl(c)adding 0.050 moles of HC2H3O2(d)adding 0.050 moles of NaOH.
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?
Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
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