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Determine the molecular weight of an unknown gas if 200 mL of this gas diffuses through an apparatus in 180 seconds while the 250 mL of NO2 under the same conditions diffuses through the same appar
Determine the numbers of grams of water must be added to 200 mL of NaOH solution in order to have a solution with a specific gravity of 1.157, 13.55% when the specific gravity of NaOH = 1.3
Determine the numbers of kilocalories of heat will be formed by 160 grams of methane if every mole of methane produces 192 kilocalories of heat.
Determine the numbers of mL of the HCl will be required? In neutralization reaction, the number of milli equivalents of the acid and the base must be equal at the end point iIf the 20 mL of
Determine the concentration of a solution made by adding the 30 mL of water to 35 mL of a 6.0 M solution, assume that the volumes are additive. Discuss in detail.
Explain what was the molecular weight of the substance in g/mol when the 2.75 g of a substance was dissolved in the water to yield 150 mL of solution and the concentration of that solution was dete
The solubility of an unknown compound X in ethanol is found to be 1.4grams per 10 mL at 78ºC and 0.21 grams per 10 mL at 0ºC. Calculate the minimum amount of ethanol required to re-crystal
Assume that x0 is solution to equation Ax = b (where A is matrix and x and b are vectors). Illustrate that x is solution to Ax = b if and only if y = x - x0 is solution to system Ay = 0.
What volume of water must you add to make a solution that is 25.00% by weight sucrose if the mass of sucrose you add to the beaker is 12.241 g? Assume the density of water is 1.000 g/mL.
What volume will it swell to in toluene if a cross-linked sample of poly isobutylene swells 10 times its original volume in cyclohexane? Discuss in detail.
The salt is generally soluble in the aqueous layer even if the starting acid was not soluble in the aqueous layer. The solubility of organic molecules can be moderated by the use of acid-base chemis
Explain which occurs in the aqueous acid solution. Determine the coefficient of H2S when the equation is balanced by using the set of smallest whole-number coefficients?
Find out smallest set of initial prime numbers by which any 3-digit number n must be divided to set up whether n is prime or composite?
A pure substance A has a liquid vapor pressure of 800 mm Hg at 150°C, 320 mm Hg at 125°C, and 60 mm Hg at the triple point, 85°C. The melting point of A decrease slightly as pressure inc
Assume the solution behaves ideally. Consider an aqueous solution containing sodium chloride that has a density of 1.01 g/mL. The freezing point of this solution at 1.0 atm is -1C. Determine the pe
Describe the relationship between the ionic radii and the atomic numbers of the Noble gases? Determine the importance of obtaining the percent yield of a product.
Write the quadratic function for area of rectangle in terms of width. Determine vertex of graph of quadratic function and interpret its meaning in context of problem.
Calculate the final temperature and volume, consider one mole of ideal gas at 0oC, if the gas is expanded by reducing the pressure from 5 atm to 1 atm by:
Determine the theoretical yield of cis stilbene and Tran's stilbene withes staring material of 100 microliters and 100 mg respectively.
Manager of the money market fund has invested $4.2 million in certificates of deposit which pay interest at rate of 5.4%/year compounded quarterly over the period of five years.
Illustrate the complete, condensed, and line structural diagrams for the isomers of C5H12. Determine the numbers of true isomers did u draw and find out the difference among the tru
Discuss how would the electrons formed in a cathode ray tube filled with the neon gas compare with the electrons formed in a cathode ray tube filled with chlorine gas?
Determine the numbers of mols of iron ion are there in the solution? Determine the numbers of mols of phosphate ion are there in the solution?
Consider P be the non-empty family of sets, consider I be non-empty set and consider {Ci} for all i in I be family of chains in P. Is intersection of Ci always a chain in P? Write the proof or the cou