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The melting point of iron at one atm pressure is 1535°C. Calculate the melting point at 100,000 atm if Δvfus and Δhfus are constant at 2.30 x 10-7 m3 mol-1 and 15.5 kJ mol-1, respectively.
Answer from back of textbook: 1.83 x 103 °C
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC
Why does benzyl alcohol, a primary alcohol, react rapidly in the presence of HCl to form benzyl chloride? If it's primary, shouldn't the reaction be slow?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
The half-reaction above is written for acidic conditions, with H+ and the protonated form of the weak acid. Convert it to basic conditions
The temperature of the water rose t oa final temperature of 27.84 C. Neglecting heat loss to the room and the heat capacity of the beaker itself, what is the specific heat of the alloy?
What are some sources of errors that are associated with standardizing a solution/titration, how can these errors be prevented
A student titrated a .4630g sample of unknown monoprotic acid with 0.1060m NaOH. Using a derivative curve, the student found, the equivalence point volume to be 28.70mL of NaOH
what volume of ammonia gas, measured at 660.3 mmhg and 58.2c, is required to produce 6.46 g of ammonium sulfate according to the following balanced chemical equation
A sample of S8 (g) is placed in a container at 1325 K at an initial pressure of 1.00 atm, where it decomposes to S2 (g) by the reaction, S8 (g) 4S2 (g), At equilibrium, the partial pressure of S8 (g) is 0.25 atm. The Kp at 1325K is
a turbine operates by the impact of a high velocity jet of steam against the turbine blades. The steam leaves the turbine at a lower velocity. For the turbine depicted, steam from a high pressure nozzle enters the air and strikes the blades of a t..
Problem- Given that P*(H2O)=0.02308 atm and P(H2O)=0.02171 atm in a solution in which 0.207 kg of a non-volatile solute(M=298g/mol)is dissolved in 0.892kg water at 293K, calculate the activity of and activity coefficient of water in the solution
1. what characteristic properties distinguish the transition elements from the group ia and-iia metals?2. name these
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