What temperature is the vapor pressure equal
An organic substance has an enthalpy of vaporization of 29.0 kJ/mol. The compound has a vapor pressure of 524 mm Hg at 25 °C. At what temperature is the vapor pressure equal to 115 mm Hg?
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The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol. Determine the heat of solution of KCl.
When the bus moves with constant velocity, the passenger observes that the falling raindrops are now making an angle of 20 with respect to the vertical.What is the ratio of the speed of the raindrops to the speed of the bus?
If your air conditioner is more than several years old, it may use the chloroflurocarbon CCl2F2 as the heat transfer fluid. The normal boiling point of CCl2F2 is -29.8 C and the enthalpy of vaporization is 20.11 kJ/mol.
The plates each have an area of 2 × 10-3 m2, and the spacing between the plates is 6 × 10-3 m. There is no dielectric between the plates. Calculate the energy stored in the capacitor.
The specific heat capacity of silver is 0.235 J/g K. Its melting point is 962 C and its enthalpy of fusion is 11.3 kJ/mol. What quantity of heat in joules is required to change 5.00 g of silver from a solid at 25 C to a liquid at 962 C?
Assume that event A occurs with probability 0.4 and event B occurs with probability 0.5. Assume that A and B are disjoint events. The probability that either event occurs (A or B) is
The pilot of an airplane traveling 170 {km/h} wants to drop supplies to flood victims isolated on a patch of land 140 {m} below. The supplies should be dropped how many seconds before the plane is directly overhead?
List these stress states in order of increasing likelihood of causing failure according to (a) the maximum-normal-stress theory, (b) the maximum-shear stress theory.
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