1an ideal gas at 65 °c occupies a volume of 2.5 l at a pressure of 3.4 atm. how many moles of gas are present in the sample? (r = 0.08206 l·atm/mol·k) 0.63 moles 0.31 moles 1.6 moles 3.3 moles

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Gymnast always perform on padded mats. how does the mats protect the gymnast

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.