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Question- Calculate the pH of a solution prepared by dissolving 0.37 mol of formic acid (HCO2H) and 0.23 mol of sodium formate (NaCO2H) in water sufficient to yield 1.00 L of solution. The Ka of formic acid is 1.77x104.
Please illustrate work if possible thanks
Platinum metal is used in jewelry. It is as well used in automobile catalytic converters. Explain what is the mass of a cube of platinum 3.19 cm on an edge? The density of platinum is 21.4 g/cm3.
Find the partial pressure of each product and the total pressure in the flask at the end of the reaction?
a certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. the volume of the
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the equilibrium constant at 40 K for a reaction with ?Ho = 10 kJ and ?So = 100 J/K.
A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state
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three gases hydrogen argon and methane are confined in a 9.00 l vessel at a pressure of 14.0 atm. the vessel contains
What is the change in chemical potential of any pure liquid when it vaporizes at its normal boiling point
Question- Calculate the value of Keq at 298 K for each of the following reactions
A weather balloon is filled with 5.0 liters of helium at 27C and 1.0 atm. what volume does the balloon have when it has risen to a point in the atmosphere where the pressure is 60 torr and the temperature is -160 C
You are given the chemical reaction: 4AsF3 + 3C2Cl6 -> 4AsCl3 + 3C2Cl2F4.If 1.3618 moles of AsF3 are allowed to react with 1.000 mole of C2Cl6.
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