Which of the substances below would have the lowest boiling point? propane, with a vapor A. pressure of 998 kPa at 293K

B. water, with a vapor pressure of 2.3 kPa at 293K

C. ethanol, with a vapor pressure of 5.83 kPa at 293 K

D. butane, with a vapor pressure of 220 kPa at 293 K

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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