A large cylindrical tank contains 0. 750 m3 of nitrogen gas at 27°c and 7. 50 * 103 pa (absolute pressure). The tank has a tight‐fitting piston that allows the volume to be changed. What will be the pressure if the volume is decreased to 0. 480 m3 and the temperature is increased to 157°c?.

The answer would be d

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.