Answer:
D
Explanation:
Because speed is a scalar quantity which he has only magnitude and no direction while velocity is a vector quantity because it has both magnitude and direction.
Answer:
2NaOH + 2Al +2H2O = 2NaAlO2 +3H
Explanation:
Aluminum is an amphoteric element it reacts with both bases and acids to form a salt and hydrogen gas.The reaction is highly exothermic.
Answer:
In order to help identify foods containing carbohydrates,
-Anything that contains sugar, starch, or cellulose is a carbohydrate.
-Anything that contains fiber is a carbohydrate.
-Anything that is derived from plants is a carbohydrate.
-Anything that contains dairy or gluten is a carbohydrate.
Answer:
exothermic
Explanation:
boiling water releases heat and is therfor exothermic
condensing is the reverse reaction and is endothermic