You have 1 mole of gas in a cylinder with a piston at 150 K. You move the piston to double the pressure (during this movement the temperature remains constant).  How much does the volume change? You then raise the temperature to 300 K, keeping the pressure the same.  What is the final volume relative to the starting volume in this experiment?

An investigator’s scene sketch is often an extremely important investigative aid.

Put the following steps of the scientific process in order: 

GPS technology is now being used to protect victims of sexual assault by providing information as to the victim’s whereabouts in the event that the attacker attempts another assault.

Officers may not seize contraband they discover during a legal search, but must ask consent.​

DNA is extremely durable and generally unaffected by heat, sunlight, moisture, bacteria, or mold.​

This U. S. President emerged as a heroic president who preserved the Union despite the deep differences the raging conflict of the 19th  century. 

Evidence not discernible to the naked eye can be detected by laser-beam photography.​

​What type of evidence tends to show innocence of the accused and must be disclosed?

Words that have little emotional effect, for example, cried, are called:​