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Half a cup (approximately 120mL) of ethynlalcohol, C2H5OH, (d=0.789 g/mL) is poured into a soft drink bottle at room temperature.
At 755mm Hg and 25C it has a density of 1.71g/L. Cyclo propane mixed in the proper ratio with oxygen can be used as an anesthetic.
When 1.00g germanite as treated this way, the germanium presented was totally converted into the 0.177g of a chloride which is having 33.9% by mass of germanium. Determine the percentage of germaniu
Suppose that the partition coefficient, K, for portioning of compound A among the diethyl ether and water is 3; that is, A preferentially partitions into ether.
Supply a flowchart for separating a diethyl ether solution containing anthracites, benzoic acid, 2-naphthol, and 4-nitroaniline. All compounds are solids when pure.
Calculate the mass in grams of acid to be used if the volume of NaOH to be used is 25 mL when a sample of solid monoprotic acid with molar mass equal to 159.2g/mol was titrated with the 0
The combustion of 0.6654 g of an organic compound with a molecular mass of 46.07 amu causes the temperature in the calorimeter to rise from 25.000oC to 30.589 oC in a constant volume bomb calor
Would you expect a beam of protons accelerated through the same potential to be diffracted when it strikes the film of gold? Electrons accelerated through a certain potential are diffracted by a thi
Discuss why ammonia has 2 C_3 axes? The symmetry elements for ammonia are 2C_3, 3 sigma_v. Does that mean ammonia has 2 C_3axes?
Explain how many seconds would it take for the reaction to be 90% complete when a certain reaction A→ products is second order in A. If this reaction is 10% complete after 20. S.
What is the empirical formula of aspartame if aspartame is an artificial sweetener that is found to be 57.14% carbon, 6.16% hydrogen, 9.52% nitrogen, and 27.18% oxygen?
C6H5COOH (aq) +CH3COO- (aq) ↔C6H5COO- (aq) +CH3COOH (aq) is 3.6 at 25 degrees C. If Ka forCH3COOH is 1.8 x 10-5, determine the acid dissociation constant for C6H5COOH?
At this temperature, the methanol vaporizes and decomposes according to the reaction, a quantity of liquid methanol, CH3OH, is introduced into a rigid 3.00-L vessel, the vessel is sealed, and the temp
At 25 degrees C 15.00 g of solid ammonium hydrogen sulfide is introduced into a 500ml flask, the flask is sealed, and the system is allowed to reach equilibrium.
Calculate the numbers of kilograms of copper sulfide could be formed from the reaction of .9 mol of copper with excess sulphur?
What is the proximate volume of one drop of an aqueous solution? Depending upon the tip of a dropper pipet, there are approximately 25 drops per milliliter of water.
Calculate the molarity of 10% concentrated HCL? Of 5% sodium hyrdoxide? Determine how many moles of each reagent are in 1 mL of these solutions?
Estimate the minimum and maximum number of bonds that chlorine (Cl) forms? Assume chlorine bonds with hydrogen. Is the minimum 1and the maximum 7?
Assuming that both of these compounds consist of molecules that contain only one atom of phosphorus per molecule, 2 compounds that contain only phosphorus and an unknown element x have ratios mass x
A pound of M&M's candies contains 320gcarbohydrate, 96g fat, and 21g protein. Determine the fuel value in kJ in a 42-g serving? Determine how many Calories does is providing?
Determine the pH and p OH for a0.50M solution of HCN by using the approximation method. Calculate the value of Kb for HCN by using Kw, Ka, and relationships, Kb.
Determine the percent by mass of acetic acid, CH3COOH, in a solution of 0.620M CH3COOH. Suppose the density of the solution is 1.07 g/mL.
At SATP 1750mL of hydrochloric acid is allowed to react with the 150L of sulphur dioxide to produce the chlorine gas and the hyposulphurous acid, the concentration of the acid was?
Write down the formula equation and the net ionic equation for the neutralization reaction among the indicated substances.
Allosteric regulation of myoglobin function refers to positive cooperatively of oxygen binding to this protein.Beta pleated sheets can exist with their peptide chains either in parallel or anti-parall