Hot water rises cold water sinks. So the warm water will stay at the bottom. Transfer of heat through the molecules will make all the water boil
Answer : The heat energy needed would be, 6486.5125 J
Explanation :
To calculate the change in temperature, we use the equation:

where,
q = heat needed = ?
m = mass of aluminum = 223 g
c = specific heat capacity of aluminum = 
= change in temperature
= initial temperature = 
= final temperature = 
Putting values in above equation, we get:


Therefore, the heat energy needed would be, 6486.5125 J
B. Sublimation
Sublimation is the change of a liquid from the liquid state to the gas state. That’s why it’s only involves a physical change. Also, you can go back to the liquid stage.
Answer: c
Explanation:
A reaction in which two or more molecules combine together to result in the formation of a larger molecules then this type of reactions are known as addition reactions.