What is the main function of vacuoles in a plant cell?

What is a polar liquid?

How do you know which element is the most reactive in the periodic table?

A gas has a pressure of 98kPa at 75.0°C, what is the new temperature if the pressure is reduced to 10kPa?

Suppose the mass spectrum of a hypothetical monatomic element X contains a signal at mass number 13 and another of identical height at mass number 15. A. Sketch the mass spectrum. Make sure each axis is properly labeled. B.

What happens to the energy that is lost when water freezes

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.

Draw the condensed structural formula for the ammonium salt formed when lidocaine reacts with hcl.