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Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x< -0.20 nm, and x>0.00 nm, and V(x)=2.0*10-19 J otherwise.
SO2Cl2 decomposes to SO2 and Cl2 All are gases. .0260 moles of SO2Cl2 are introduced in 1 L bulb at 375K When system reaches equilibrium total pressure in bulb is 1.43 atm. Calculate partial pressur
Determine the degree of unsaturation of an organic compound with the molecular formula C7H6O2. interpret the value found in term of functional group of the compound.
That concentration (g / ml) should be prepared with a substance weight of 200g/mol melocular to give an absorbance of 0.8? Assume that the substance has a molar absorbance coefficient of 16,000 and
Draw lewis structure and identify the reacant acting as an acid and base and indicate if it is a bronsted lowry, lewis acid, or both
Ammonium sulfide in solid form decomposes to ammonia gas and hydrogen sulfide gas. It is a reversible reaction The Kp at 25 degrees C is .109 In an experiment Ammonia gas and hydrogen sulfide gas ea
Calculate the mass of solid NaCl that must be aded to 1.50 L of a .100 M AgNO3 solution to precipitate all the AG+ ions in the form of AgCl
Calculate the volume in mL of a solution required to provide .85 g of acetic acid (CH3COOH) from a .30 M solution
Complete and balance the following equation Write the ionic equation and net ionic equation. Indicate spectator ions and determine if a precipatie would form. (NH4)2C03(aq)+CaCl2
A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2gives 22.7 g of a mixture of CO2 and SO2
If you compare different TLC analysis with a different developing solvent, what trend do you see regarding solvent composition or solvent polarity and the distance a compound moves
Which one is pure of the following; Bronze and brass, Sugar, carbon dioxide and water, Soda water and brass, Gasoline
U know that a certain sugar molecule contains higher energy phosphate bond than the gamam phosphate of ATP under the standard condition
What are 5-8 characterstics that affect BP of a compound. Also, how would you order them in order of most important to least important
7.39 mmol of base was used when titrating 432 mg of a monoamine monocarboxylic amino acid from pH 0.8 to 12.0. What is the name of the amino acid
A sample of compound B having an unknown concentration is measured to have an absorbance of .90 in a 1.00 cm path length cell at 500 nm. What is the concentration of B in this sample, assuming Beer'
PbO + NaCl + H2O ---> Pb(OH)Cl + NaOH How many grams of PbO and how many grams of NaCl would be required to produce 10.0g of Pb(OH)Cl? a) Mass of PbO required = ? b) Mass of NaCl required = ?
What is the molecular formula of each compound. (Type your answer using the format C6H12O6 for C6H12O6 and use the same order of the elements as in the empirical formulas.
How many grams of CuSO4 5H2O are needed to prepare 100 ml of a .15 m solution CuSO4
(a) How many moles of potassium ions are in 272 g alum. (b) What is the mass % S in alum (to 3 significant figures). (c) What is the maximum amount of alum (in metric tons) that can be prepared from
Propane (C3H8) is widely used in liquid form as a fuel for barbecue grills and camp stoves. For 61.9 g of propane, determine the following. (a) Calculate the moles of compound. (b) Calculate the gra
Predict the aqueous phase equilibrium concentration of phenanthrene at 25*C if the values for this compound are Cs = 1.1 mg/L, P^v = 1.6 x 10^-7 atm, KH = 4.0 x 10^-5 atm*m^3/mol, and logKow = 4.52.
Hydrogen atoms are excited by a laser to the n=4 state and then allowed to emit. What is the maximum number of distinct spectral lines (lines of different wavelengths) that can be observed from this
Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation \rm ^A_ZX. Express your answer as a chemical symbol using isotope notation.