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When the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 16.7degrees C a strong vinagerable odor is noticeable immediately. How many acetic acid phases must be present in bottle. Explain.
What is the molar mass of 35 g of an unknown substance that depresses the freezing point of .350 kg of water .50°C? Kf for water is 1.86C/m.
When a carton of milk spoils, a chemical transformation has occurred. Explain what indicates that this is a chemical transformation and not a physical transformation.
The standard change in gibbs free energy= -69.0 kJ/mol. What is the change in G for this reaction at 298K when the partial pressures are PNO=0.100 P02=0.350 PN02=0.700 atm
determine if a redox reaction would occur if you were to mix them in a single solution. For those pairs of substances that would not react, calculate the EOCELL of the unfavored reaction between the two substances.
What is the rate of the above reaction? What is the closest numerical value of K for the above reaction? What are the units for the rate constant for the reaction?
The initial DO of the mix is 9.0 mg/L. After 5 days, the DO is 4.0 mg/L. After a long period of time, the DO is 2.0 mg/L, and it no longer seems to be dropping. Assume nitrification has been inhibited so the only BOD being measured is carbonaceous..
What is the change of energy when an electron of boron travels from the 4th energy level to the 2nd energy level
If the endpoint is surpassed in the back-titration with NaOH, will the reported amount of antacid in the sample be too high or too low?
You are to prepare 250 grams of 7.00% sodium carbonate solution. How many grams of sodium carbonate and how many mL of water do you use?
Calculate the molarity and mole fraction of a 1.43 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.)
calculate the total volume of gas at 124c and 758mmhg produced by the complete decomposition of 1.45 kg of ammonium
If 2-methyl-2-butene is the only product formed, what is the Theoretical yield in mL? I have 12mL of 2-methyl-2-butonaol is the starting material reacting with H2SO4 which I have 20 mL of.
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