Agas with a volume of 4.0 l at 90.0 kpa expands until the pressure drops to 20.0 kpa. what is its new volume if the temperature doesn't change?

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

May someone me with these science questions