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What is the persent yield of diethyle ether. b, During the proecess 45% of ethanol that did not produce diethyl ether react by the side reaction. What mass of ethylene is produced
When 20.6 gm of methane and 39.7 gm of chlorine gas undergo a reaction that has a 73.3 % yield. What mass of CH3Cl forms. Hydrogen chloride also forms.
Draw the three organic product and the one inorganic product of the following acid catalyzed dehydration reaction.
Can someone explain to me what is metastability, what does it mean. If you could, can it also be explained in terms of geology
The temperature of the water rose from 25.00 degree C to 28.21 degree C. Assuming all the heat from the metal was transferred to the water, calculate the specific heat of the metal.
Calculate the pH of a solution prepared by mixing 20.5 mL of a .5 M sodium flouride solution with 32.5 mL of a .750 M hydrofluoric acid solution
During an experiment, a student mixed 14.5 mL of a .5 M sodium flouride solution with 15.6 mL of a .750 M hydrofluoric acid solution. The measured pH was 3.24. Calculate the pKa.
If the coal is burned in teh DPH power plant that uses 2300 tons of coal per day, what is the daily production of calcium sulfite, if the conversion is 98%? if 50 pounds of calcium oxide costa $13.5
What is the net ionic equation for the precipitation reaction, if any, that occurs when an aqueous solution of Zn(CH3CO2)2 is mixed with an aqueous solution of CaCl2
In a two-phase region the value of Xb determines the relative proportions of the two phases in the system. What is the expression for molar proportion Xv
Pressure was exerted with a piston on molten naphthalene at 95°C. The vapour pressure of naphthalene under 1.0 bar is 2.0 kPa and its densityis 0.962 g cm 3. What is its vapour pressure when the
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
What is the approximate K+ ion concentration in a 0.75 M K2SO4 solution? A) 0.375 M B) 0.75 M C) 1.25 M D) 1.50 M E) 2.25 M
During osmosis A) pure solvent diffuses through a membrane but solutes do not. B) pure solutes diffuse through a membrane but solvent does not. C) pure solvent and a solution both diffuse at the sam
How many grams of sucrose (C12H22O11, 342.3 g/mol) would be needed to make 2.5 L of a solution with an osmotic pressure of 14 atm at 25°C? (R = 0.0821 L×atm/K×mol) A) 0.57 g B) 6.8 g
What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m. A) 17.6°C B) -176°C C) -1.50°C D) 1.50°C E) -17.6&
How would this change the experimental procedure for the conversion of CuSO4 to metallic copper
General Chemistry The pH of a solution of NH3 and NH4Br is 8.90. What is the molarity of NH4Br if the molarity if NH3 is 0.016M
Write orbital diagrams to represent the electron configuration of carbon before sp3 hybridization
The absorbance at 340 nm was 0.427 in a 1.000 cm cuvet. The molar absorptivity for this compound at 340 nm is = 6130 M-1 cm-1. Calculate the concentration of compound in the cuvet
How many grams of reactant are left over when 132.00g of propane are reacted with 96.0g of oxygen to form carbon dioxide
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide. cyclohexane occurs as the cis cycloalkene rather than the trans isomers. explain
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide compare the results of the two E2 reactions you ran and discuss how using different bas
A recessive genetic condition can prevent some people from expressing the carbohydrate core that is typical for the O blood type. As a result of this condition, two parents with A, B, or AB blood ty