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Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.165 M in propanoic acid and 0.125 m in potassium propanoate.
Could someone please help explain the Cubic Equations of state, as well as an example using Van der Waals and Redlich-Kwong equations
a solution initially 0.100 m in hocl and 0.300 m in naocl. what is the ph in 0.030 mol of solid naoh is added to 1.00 l
If you weigh the lauric acid to the nearest 0.1g and you weigh the unknown solid to the nearest 0.0001g, can you calculate a molar mass of your unknown solid to three significant figures. Show clearly your reasoning.
compound noradrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the empirical formula for noradrenaline?
Calculate the heat that must be supplied to 12.40 g of Ne(g) at 0.150 atm to raise its temperature from 25.0°C to 51.0°C under the following conditions
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentration is maintained at 2.0*10^-3M. What will be [M..
The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral distribution at this temperature
An empty gasoline can with dimensions 15 cm by 40 cm by 12.5 cm is attached to a vacuum pump and evacuated. if the atmospheric pressure is 14.7 lb/in^2.
At 10 degrees celcius the Henry's law constant for Chlorine in water is 0.13 M/atm. What is the concentration of Chloride in water if the particial pressure of Cl is 1.33 atm
how many CH 3 groups are there, per 1000 C atoms (main chain)? ethylene-propylene rubber (EPR) is completely amorphous you may ignore the ends of the chains
silver nitrate and sodium phosphate are reacted in equal amounts of 200.0 grams each to produce silver phosphate and
The aqueous solubility of CO2 at 20 degrees Celsius and 1.00 atm is equivalent to 87.8 mL of CO2(g), measured at STP, per 100 mL of water. What is the Molarity of CO2, in water, that is at 20 degrees Celsius and saturated with air at 1.00 atm. The..
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