Answer : The correct option is (A).
Explanation : 
- Endothermic reaction : When two liquids are combine into a flask, then the flask feels cold when we touch it because the system absorbed heat from the surrounding.
In general, endothermic process absorbs heat and cool the surrounding.
- Exothermic reaction : When two liquids are combine into a flask, then the flask feels hot when we touch it because the system released heat into the surrounding.
In general, exothermic process releases heat and rise the temperature of surrounding.
 
        
             
        
        
        
<span>the process or action by which one thing absorbs or is absorbed by another.</span>
        
                    
             
        
        
        
Answer:
82.0343 g/mol
Explanation:
Count each element and the number of atoms for each element. Add them all together. Use the periodic table.
 
        
             
        
        
        
Answer:
Wowww this is cool did you draw this?
Explanation:
brainlest po
 
        
             
        
        
        
Answer:
Explanation:
scientific notation of 0.000467 is
   4.67*10^-4