Yes. bromine and sodium iodide can react to form sodium bromine and free iodine
The pressure of gas will increase because gaseous state is the final state and even if the heat added is evaporating some more gas is still added. It also depends on the temperature of heat added, if the temperature doesn't change the it's most likely for the pressure to be stable...
Hope it helps
A saturated is one in which the atoms are linked by single bonds. :)
<span>C. A completely new substance is formed.</span>
Hey there! The answer to your first question is SILICON, Nickle has 28 protons, silicon has 14, 14+14=28. Its the only element thats adds up. I dont know about the 2nd one myself.