amount of time the two substances are in contact. area in contact between the two substances. specific heat of the material that makes up the substances. the density of the two substances in contact.
To remove magnesium oxide layer from the ribbon which may prevent or slow down the burning of magnesium ribbon.
Of which reaction may I ask? And do you mean 1-bromo-2-methylcyclohexane??
C is correct. Have a good day!
Answer:
In thermodynamics, the Joule–Thomson effect describes the temperature change of a real gas or liquid when it is forced through a valve or porous plug while keeping it insulated so that no heat is exchanged with the environment. This procedure is called a throttling process or Joule–Thomson process