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Determine the number of sub shells are found in the n1=8 level? Determine the number of orbital have the value n3=5 and l3=4?
Determine the numbers of significant figures are justified in the mean and how would you report the most probable mass of the object? Explain.
Aqueous silver ions react with the bromide or iodide ions and aqueous chloride, to give solid silver halide. For example, mixing solutions of calcium chloride and silver nitrate causes the precipita
Determine the percentage volume change when the FCC γ iron(a=0.365 nm) undergoes its polymorphic transformation to BCC δ iron (a =0.293 nm) at the 1394oC.
Determine the concentration of a NaOH solution if 15.0 mL of the solution are required to neutralize 18.0 mL of a 0.312MHCl solution.
Find out the liquid if a liquid that has a density of 0.80+ 0.01g/ml and 0.80-0.01 g/ml is insoluble in cyclohexane. Determine the colors of CoCL2, and CoCL2.6H2O? Find out their solubility in cold wa
Manganese is a key component of enormously hard steel and its element occurs naturally in various oxides. A 542.3 g sample of manganese oxide has an Mn/O ratio of 1.00/1.42 and consists of manganois
At 25C the volume of a sample of pure HCl gas was 189mL and108mm Hg. It was wholly dissolved in about 60mL of water and titrated with an NaOh soution; 15.7mL of the NaOH solution were needed to neut
If the solubility of the product and reactant were switched, how would you follow the isomerization process and how would you know when it was complete?
Describe the function of the acetic acid if in a dry 100ml conical flask dissolves 3.2g of acetanilide in 5mlof glacial acetic acid by warming gently on the steam bath.
Determine the pH of a mixture of 0.3 M carboxylate ion (COO-) and 0.8 M carboxylic acid (COOH). The pka of carboxylic acid is 2.76.
Suppose through the reactor half the reactants are consumed in each pass. The distillation produces a stream of methanol with 1% CO. The recycle stream have 5% methanol.
A fire extinguisher for home use is made of steel cylinder of 550mL having water and carbon dioxide. The extinguisher weighs 1.54kilograms empty and 2.53 kilograms when fully filled by the gas mixtu
Analyze the wavelength of a photon required to excite a transition among its neighboring vibrational energy levels. A hydrogen atom is absorbed on the surface of a gold nano-particle by a bond forc
The atomic radius for the element neon is 7.0 x10^1 pm. The area of the head of an average flat-headed straight pin is 3.50 x 10 ^-4 in^2. Determine the number of neon atom scan fit across the diame
The phosphoric acid and phosphorous acid have essentially the same value of Ka and the sulphuric acid has a Ka 10,000 times which is greater than the Ka of sulfurous acid. Discuss in terms o
Describe the structure of the compound when the compound Na2 (crypt) has been prepared. Discuss what is the unusual about this compound?
Explain how close are the two dislocations when the mobile one stops? Consider two parallel edge dislocations of the same sign on parallel glide planes, which is having five Burgers vectors apart.
Determine what will be the outcome if the measurements are made to find out the total angular momentum and the total energy?
Determine the maximum amount of alum (in metric tons) that can be prepared from 17.1 metric tons of scrap aluminum (1 metric ton = 1000 kg)?
The bitter tasting compound quinine is used as a protection against the malaria and it is a component of tonic water which is having only C, H, N and O.
The solution has a vapor pressure of 261 torr. Hexane and Pure pentane have vapor pressures of 151 torr and 425 torr respectively, at room temperature. Find out the mole fraction of hexane?
X melts at 150C, Y melts at 120 C and a mixture with 40%Y and 60% X melts at the 100C. If a solution containing 20% X and 80% Y then what will be the composition of first and last crystal that forms
What happened to the composition of the halide mixture during that time when a student left some alkyl halides (RBr and RCl) in an open pot for several minutes?
Develop the molecular orbital diagrams for the hypothetical He2+ and He2 species. Based on these models, determine which species is more likely to exist? Also discuss would either of these