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Given the values of So given below in J/mol K, calculate the value of ?So in J/K for the combustion of 1 mole of propane to form carbon dioxide and gaseous water. S (C3H8(g)) = 271.3 S (O2(g)) = 203.1 S (CO2(g)) = 212.9 S (H2O(g)) = 188.0
Calculate the [H3O+] of the following polyprotic acid solution: 0.340M H3PO4 . and calculate the ph 2) Calculate the [H3O+] and pH of the following polyprotic acid solution: 0.360M H2C2O4 and calculate the pH
the partial pressure of helium is 341 mmhg and the partial pressure of neon is 112 mmhg, what mass of argon is present in the mixture?
The equilibrium constant kp for the following reaction is found to be 4.31 *10^-4 at 375 degrees C. N2(g)+3H2(g) 2NH3(g) Calculate the partial pressures of all species when equilibrium is reached.
what is the minimum amount of NaCl needed to get the 18.2 degrees? Its a molality equation
What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
1) How many litres of hydrogen gas will be produced by the decomposition of 90 L of water? (Assume that temperature and pressure are constant) Show ALL work.
What mass of potassium benzoate is needed to prepare one liter of a 0.135M solution of potassium benzoate?
Determine the point group of each of the three possible geometries of the hypothetical Be3+ on, ten draw the molecular orbitals for each geometry,
A total of 24.33 ml of 0.00245 M EDTA was used to titrate 100.00ml of a water sample. An AA analysis of the sample determined that the Ca2+ concentration is 9.32 mg/L.
The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation,
Make an energy level diagram for the nueclear spin states in a magnetic field. Calculate the transition frequency in a 0.1 T field.
If you start with 2 cubes of ice, each with a mass of 25.0g and at a temperature of -10C, and 25.0ml of water with a temperature of 100C, what will the final temperature of the mixture be? Assume fina l state is liquid water for all species.
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