Answer:
I don't fully understand what this is about...
Explanation:
sorry :(
Answer:
The mass of the surrounding is 
Explanation:
From the question we are told that
The mass of
is 
The mass of water is 
The chemical equation for the dissociation process is

The specific heat capacity of the mixture is 
The combined mass of the solution is

The mass of the surround here is the mass of the coffee-cup calorimeter and this contain the mixture ( water and the NaOH ) so the mass of the surrounding is

All Elements are obtained in the periodic table & water is Not an element it is a compound.
Answer:
Anything in the environment that causes a change is called a stimulus.
Explanation:
The question asks average kinetic energy. So it is only related with the temperature. The higher temperature is, the higher kinetic energy is. So the answer is (4).