A salt of KCl, potassium chloride, is dissolved in a beaker of an unknown solution. It is less soluble in the unknown solution than it is in a beaker of water at the same temperature. What explains the lack of solubility in the beaker of unknown solution?

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you