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If 1L of .100M acetic acid is at equilibrium, how will the following change affect the equilibrium concentration of H+? The solution is diluted by a factor of 3.
Which of the water samples that you tested had the highest calcium concentration. does this correlate with the total dissolved solids results you obtained
How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
A sample of chloroform is found to contain 10.5 g of carbon, 93.1 g of chlorine, and 0.88 g of hydrogen. If a second sample of chloroform is found to contain 20.8 g of carbon, what is the total mass of chloroform in the second sample?
What is the mass density of hydrogen relative to air at the same temperature and pressure? What mass of payload can be lifted by 10 kg of hydrogen, neglecting the mass of the balloon
When MCl4(NH3)2 is dissolved in water and treated with AgNO3, 2 moles of AgCl precipitate immediately for each mole of MCl4(NH3)2. Whats the coordination number of M in the complex?
Suppose that a certain biologically important reaction is quite slow at physiological temperature (37 degrees C ) in the absence of a catalyst.
The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.10mL of a 0.410\it M \rm HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
Consider a 2430-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car?
Describe how you would prepare the following aqueous solution: 230 g of a solution that is 0.60 molal Na2CO3 starting with the solid solute.
How many grams of Br2 would there be in 8.00 moles of Br2?
hot methanol and then stored the recrystallization solution until the next lab period. What possible effect on your results due to this experimental error could take place?
A microwave oven operates at 2.70 . What is the wavelength of the radiation produced by this appliance
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