Consider the balanced equation below

PCl3 + Cl2 - - > PCl5

What is the mole ratio of PCl3 to PCl5?

1:1

2:1

3:5

5:3

1 mol of an Ideal Gas expands through a turbine adiabatically to produce work. Assuming steady flow conditions, how much work is lost due to the entropy generated, if the surroundings are at 300 K? Give the value of lost work to the nearest J.

A doctor needs to know how the chemicals in a medicine will dissolve in water. what property of matter does the doctor need to look up?

In humans, infections by fungi and protists are usually more difficult to treat than bacterial infections. Suggest an explanation that is based on cell structure.

A ballon has a volume of 253.2 mL. the volume of the balloon is decreased to 165.4 mL determine new tempature

Does oxygen release thermal energy

A good way for someone to identify similar substances is to measure their densities true or false

At 25 ∘c, kp = 25 for the reaction h2 (g) + i2 (g) ⇌2hi (g). at equilibrium, the partial pressure of both h2 and i2 is 0.296 atm. what is the partial pressure of hi at equilibrium?

In a resonant hybrid of a molecule like CH3CO2-, how are the electron orbitals of the carbon in CO2 sp hybridized?

Consider the formation of nitrogen dioxide and oxygen: NO (g) + O3 (g) ⇌NO2 (g) + O2 (g) The reaction is first order in O3 and second order overall.

Iron has a density of 7.86 g/cm3. calculate the volume (in dl) of a piece of iron having a mass of 4.15 kg.