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Determine the ratio of the more stable chair conformation to the less stable conformation at equilibrium at 298Kfor the following compounds: iodocyclohexane and cholrocylcohexane.
Select the ions or atoms from the following sets that are is electronic with each other: (a) Na+, Sr2+, Br- (b) Y3+, Br-, Kr (c) N3-, P3-, Ti4+ (d) Fe3+, Co3+, Mn2+
Write down the equation for the reaction, if any, of lithium with the nitrogen. If there is a reaction producing the LixNy, determine the value of x+y?
Provide the grams H, C, and O present in the substance, the empirical mass, the empirical formula and the molecular formula of the substance. Where the molar mass 116.16 g/mole
Explain how much heat is released when the 4.25 g of propanol is burned? Determine the numbers of grams of propanol must be burned to obtain the 150. kJ of heat ?
Assuming the specific heat of the resulting solution is equal to that of pure water; determine the final temperature of the solution if the molar heat of solution of a substance is fo
Explain how much KOH(s) must be dissolved in exactly 1 L of solution, so that 25.00mL of this solution is needed to titrate to the equivalence point a solution which is having 0.3220g of a monoproti
Consider the titration among the 25.00 ml of 1.00 x10-2 M solution of hydroxyl acetic acid with 1.50 x10-2 M solution of KOH. Determine the pH for 0.00ml and 2.00ml of base added. Ka= 1.48 x
What were the partial pressures of oxygen and helium when a 6.00-L gas tank contained a mixture of oxygen and helium at a pressure of 20.1 atm and the mixture was 75% helium?
Determine the numbers of grams of potassium chloride are essential to make the100.0 mL of a .200 M solution?
Discuss how do you determine the grams needed and determine the numbers of grams (to the nearest 0.01 g) of NH4Cl (Mm = 53.49 g/mol) must be added to the 650. mL of 0.898-M solution of NH
Discuss the staining theory for Basic, Gram and Negative Staining and illustrate the relative advantages of each of these techniques.
Calculate whether each of the five compounds is predominatelyionically or covalently bonded. Indicate whether the compound would be expected to be more soluble in the methylene chloride or more solu
Compound "A" (C6H14) provides three different monocholrides when subjected to photochemical chlorination. One of these monochlorides offers no reaction when treated with the KOH/alcohol.
Determine how are the 3s, 3p, and 3d orbital similar and different from each other. In what ways are all s orbitals alike, and in what ways are s orbital that have different principal quantum numbe
The formula for Epsom salts can be written as MgSO4•xH2O, where x indicates the number of water molecules. Epsom salts, a strong laxative used in veterinary medicine, is a hydrate, wh
A mass of NaOH which is having 4.0 g dissolved in the 5 mL of water. Then, a 4.0 mL aliquot of this solution is diluted to 500 mL of solution. Determine the approximate concentration of NaO
Discuss how pH might affect absorbance measurement and why this produces a significant matrix effect by considering the properties of p-Nitro phenol.
At 100atm pressure and 298K one mole of an ideal gas (Cv, m = 1.5 R) initially in a gas tank, is allowed to expand adiabatically against a fixed external pressure of 1 atm.
Determine the numbers of kilojoules of heat are absorbed when the 7.90 g of Mg O(s) are decomposed into the Mg(s) and O2(g) at constant pressure?
If 21.82 ml of the NaOH solution were required to neutralize completely 12.12 ml of the malonic acid solution, a solution of malonic acid, H2C3H2O4, was standardized by titration with 0.100M NaO
How can estimate the maximum height, neglecting all forms of friction, to which a car of mass 1000kg can be driven on the 1.00 gallon of fuel given that the engine cylinder temperature is 2000C and
Write down the correct structure for the product and outline a stepwise mechanism leading to its formation. (R)-2-Iodohexane undergoes reaction with potassium cyanide to produce a single enantiomerica
Discuss how long will it take hydrogen chloride to effuse down an identical capillary tube at the same conditions of pressure and temperature? It takes 32.0 seconds for ammonia to effuse down a cap
Potassium hydrogen phthalate (KHP) is a weak monoprotic acid. Determine how many mole of NaOH are needed to neutralize the .616g of KHP?