Amedeo Avogadro (1776-1856). Gives the relationship between volume and amount when pressure and temperature are held constant. Remember amount is measured in moles. Also, since volume is one of the variables, that means the container holding the gas is flexible in some way and can expand or contract.medeo Avogadro (1776-1856). Gives the relationship between volume and amount when pressure and temperature are held constant. Remember amount is measured in moles. Also, since volume is one of the variables, that means the container holding the gas is flexible in some way and can expand or contract.
Definition of presidence. plural. -s. 1 : the action or fact of presiding : direction, superintendence by the presidence and guidance of an unseen governing power â William Wollaston. 2 : presidency 1a preserve both the senate and the presidence â P. G. Hamerton.
Example Sentences for preside. 1  He has some very important meetings he is to preside at coming off soon, and here he is, hung up. 2  It is exactly the opposite to the American position; in which the President does not preside at all. In spite of sects and theological speculators, as long as Islam lasts, his spirit will continue to preside over its destinies. He had believed her to be planning to preside in the Mountain Avenue mansion.