A set sample of gas has an initial volume of 445 mL and pressure of 2.5 atm. The gas is changed to STP and the new vo1umr is 289 m. L What was the original temperature in °C?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?