11) 2
Figure 2 shows the apparatus that a leamer set up.
181
glass tube
rubber bung
cotton wool soaked in
ammonia solution
cotton wool soaked in
concentrated hydrochloric acid
Figure 2
The white solid is formed because the molecules of hydrogen chloride gas and ammonia gas move at
random throughout the tube and eventually react with each other.
(a)
State the name given to this random movement of molecules.​

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology