(2) The pressure of a fixed mass of gas at 30 °C is 3 x 109 Pa (abs. pressure). What would be its pressure if the volume of the gas is doubled and its
temperature is increased to 60 °C?

In a system, when potential energy decreases, then entropy also decreases. true false

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.