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what is the difference between using blue dye and red dye when determining the rate law for the oxidation by sodium hypochlorite?
Diethyl ether is a volatile organic compound. The vapor pressure of diethyl ether is 401 mm Hg at 18°C and the Hvap = 26.0 kJ/mol. Calculate the vapor pressure of diethyl ether at 40°C.
Consider the reaction when aqueous solutions of sodium acetate and potassium sulfide are combined.
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
A standard hydrogen electrode is immersed in an acetic acid solution. This electrode is connected by an external circuit to an iron nail dipping into 0.10 M FeCl2. If Ecell is found to be 0.24 V, what is the pH of the acetic acid solution
consider a sample containing 5 mol of a monatomic ideal gas taken from state a to state b. calculate changeE, changeH,q, and w.
Rank the following redox-active coenzymes and prosthetic groups of the electron-transport chain in order in increasing affinity for electrons. Use 1 for the species with the lowest electrn affinity and a 5 for the highest affinity. Explain how you..
Using the following spectral information, determine the name of unknown organic compound A. For full credit, explain why/how the spectral information led you to your answer.
the partial pressure of oxygen in the atomsphere is 0.20 atm, what is the solubility of dissovled oxygen in blood? recall that the soulibilty of oxygen constant
A 20.0- sample of 0.125 HNO3 is titrated with 0.150 NaOH. Calculate the for at least five different points throughout the titration curve and make a sketch of the curve.
What Celsius temperature,T2, is required to change the volume of the gas sample in Part A ( T1= 35 degrees celsius, V1= 1120 L) to a volume of 2240 L? Assume no change in pressure or the amount of gas in the balloon.
A 397 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 639 mmHg. Calculate the moles of Ar present
What is the pH of the solution that results from adding 30mL of 0.015M KOH to 50mL of 0.015M benzoic acid, Ka = 6.3 x 10^-5
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