2. 7500.0 ml of a gas are prepared at 900.0 mm Hg and 150.0 °C. The gas is placed into a tank
under high pressure. When the tank cools to 25.0°C, the pressure of the gas is 760 mm Hg.
What is the volume of the gas?

since electrons are negative the answer is neagtaive

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.