Crack cocaine in the united States

It depends on how pure the powder (1 g of cocaine) was to begin with. 1g in its purest form will make 2g crack on average.

Cocaine refers to the drug in its powder form, while crack is cocaine that has been processed into a rock crystal, typically smoked. Crack is a more potent and fast-acting form of cocaine, leading to a quicker and more intense high. Additionally, crack is generally cheaper and more addictive than powder cocaine.

Crack/Cocaine is listed as a stimulant.

No, PCP and crack cocaine are two different drugs.