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If the product is Rb+ and the reactant is Rb, calculate the change in the oxidation state of rubidium (oxidation state of rubidium in product minus the oxidation state of rubidium in the reacta
If the product is IO2- and the reactant isIO3-, calculate the change in the oxidation state of iodine (oxidation state of iodine in product minus the oxidation state of iodine in the reactant)
A sample of helium has a volume of 325 mL and a pressure of 655 mm Hg. What will be the pressure if the helium is compressed to 125 mL (T constant)?
A mixture of gases contains 8.57 g of N2, 5.26 g of H2,and 3.71 g of NH3. If the total pressure of the mixtureis 1.79 atm, what is the partial pressure of each component?
When 1,2-epoxypropane is treated with sodium ethoxide in ethanol1-ethoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. Explain why and how the reacti
Calcium nitrite is use das a corrosion inhibitor in lubricants. What is the molality of asolution prepared by dissolving 18.5 g of calcium nitrite in 83.5 gof distilled water?
The solubility of the oxidizing agent potassium permanganate is 7.10 g per 100.0 g of water at 25°C. What is the mole fraction of potassium permanganate in this solution?
The value of ΔH for the reaction below is -186kj. How much heat in KJ is realeased when 2 mol of NaOH is formed in this reaction? 2Na2O2 (s) +2H2O (l) yields4NaOH (s) + O2 (g)
How do you write a balanced equation for an acidified potassium dichromate solution that is mixed with potassium iodide solution?what is the reducing agent in the above reaction?
Provide a synthesis of 2-ethylhexanol using butanal as the only source of carbon. What two molecules were condensed in an aldol reaction to produce Ph=CHCOPh? Include Mechanism.
If the solvent is water, the crystal lattice energy of asolid is absorbed Hydration energy is related to the attractions between solute particles
If the angle of collision between molecules A and B in areaction is favorable, reaction energy is less than when the angleof collision is unfavorable.
Calculate ΔG(knot) and show that the reaction isspontaneous at 25 degrees Celsius. Is there any temperature range in which this reaction isnot spontaneous?
If a 432 mL sample of gas at 177 °C is allowed to expand(at constant pressure) to a volume of 593 mL, what will be the new temperature (in °C)?
Enter the oxidation state for the element iodine inPbI2. Enter sign followed by Arabic numeral for oxidation state magnitude. Use 0 if the oxidation state is zero.Examples are: +2 or -4.
How many moles of either NaOH or HCl (state clearly whichyou choose) should be added to the solution in (b) to produce asolution that has a pH of 11.00? Assume that no volume changeoccurs.
The centrifuge rotates with an angular velocity w, so the molecules in the rotating frame feel an equivalent centrifugal force in the radial direction of mw^2r. Find how the relative density p(r) of
Calculate the theoretical Iodine Value(IV) of a representative sample of your fatty acidsubstance. Show your work. Iodine MW = 253.8 g/mol.
What would the overall balanced reaction be if methylamine gas is bubbled into distilled water? Can someone please provide the correct answer with a thorough explanation as to why this reactio
How many ligands are there?How many counter ions are there? What is the oxidation number of the metal ?
A chemist claims to have found a complex ion where the most intensely absorbed light is 547.0 nm. Estimate the crystal field splitting energy for this ion in kJ/mol.
At a certain temperature the reaction CO2 (g) + H2 (g) ? CO (g) +H2O (g) has Kc = 2.50. If 2.00 mol of carbon dioxide and 1.5 mol of hydrogen are placed in a 5.00 L vessel and equilibrium is establi
An empty 2.0 L soda bottle is filled with water at room temperature (23oC). It is placed in a refrigerator for 1hour. When the bottle was removed, the water had cooled to15oC.