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Question- You have 875 mL of an 0.51 M acetic acid solution. What volume (V) of 2.30 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.33? (The pKa of acetic acid is 4.76.)
Please carry out what you can and illustrate your work so I can follow. Thanks
Clearly sketch both a Michaelis-Menten plot (initial velocity vs. substrate concentration) and a Lineweaver-Burke (double-reciprocal) plot showing the activity of an enzyme
A sample of iron was heated to 148.0°C, then placed into 368 g of water at 23.6°C. The temperature of the water rose to 27.2°C. How many grams of iron were in the sample
the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
two vessels are labeled a and b. vessel a contains nh3 gas at 80 degrees celcuis and vessel b contains ne gas at the
Determine molality and the change in temp? If know those can plug them into the same equation: change in temp = iKfm
Two chromatographic columns (GC) are being compared for use in an analysis. One is a 50 cm long packed column that is 5 mm in inside diameter (ID), with a stationary phase that is 1um thick on the support packing and has a total of 25,000 theoreti..
why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical
show an example of your Ka or Kb calculation for NaC2H3O2 given that the measured pH is 7.20 and the [H+] is 6.3 x 10^-3
A 2.8x10^-4 km of a gas gas a pres dure of 25 psi when the temperature is 45c. What is the volume of the gas if the pressure is increased to 960.69 torr and the temperature is increased to 320 c
The density of ethanol is 0.7893 g/mL. Calculate the maximum work that could be obtained by burning 1.000 gallon of liquid ethanol
What chemical symbol should be used for X in the following nuclear reaction? 237/93Np->233/91Pa+a/z X
Compounds with nearly identical molar masses often have very different physcial properties. Choose the compound with the lower value. Solubility in water: di-ethylether or 1-butanol. Why is it lower?
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