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Problem- Given that the average concentration of NaCl in the body is 0.15 M, what is the osmotic pressure of this solution at 20 °C?
I just need a general explanation of it please- Thanks!
A certain substance has a heat of vaporization of 44.76 KJ/mol. At what kelvin temperature will the vapor pressure be 4.00 times higher than
what is the final equilibrium temperature of the system? The heat capacities of water and gold are 75.29 and 25.42 J/mol/K, respectively.
Every antacid contains one or more ingredients capable of reacting with excess stomach acid (HCl). The neutralization products (among others) are CO2 and/or HO2. Write net ionic equations to reprsent the neutralizing action of the following antaci..
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q.
Calculate the pH when 16.00 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution.
How many grams of mercury(II) oxide are needed to produce 3.05 L of oxygen gas according to the following reaction at 25 C and 1 atm mercury(II) oxide (s)------ mercury (l) + oxygen (g)
an unknown salt is either naf nacl or naocl.when 0.050 mol of the salt is dissolved in water for form 0.500 l of
The Brass is a substitutional alloy consisting of a solution of copper and zinc. A meticulous sample of red brass consisting of 82.0% Cu and 18.0% Zn by mass has a density of 8780kg/m3. Explain what is the molality of Zn in the solid solution
Calculate the equilibrium constant at 40 K for a reaction with ?Ho = 10 kJ and ?So = 100 J/K.
what is the chemical reaction that takes place when you add calcium bromide with hg elemental mercury at 700 degree
1-mL of 0.007 M Na2SO4 was diluted in 100-mL of deionized water. What is the concentration of the Na2SO4 in ppm
you need to prepare 100.0 ml of a ph4.00 buffer solution using 0.100 m benzoic acid pka 4.20 and 0.140 m sodium
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