PLEASE HELP DUE AT 2PM I'M DESPERATE, WILL GIVE BRAINLEST!! 1. When magnesium is burned in air, its mass increases. Explain why this is.
2. When a match is burned in air, its mass decreases. Explain why this is.
3. This equation is unbalanced Na + F2 → NaF. Explain how you know it is unbalanced.
4. Why does it need to be balanced? Refer to the conservation of mass in your answer
5. A student heats up a metal and finds that its mass increases. The students says “this is because heat has been added.” Explain why this is incorrect.
Ans no 1. As magnesium used to react with oxygen and due to the reaction the mass (weight) of magnesium increases , this reaction between oxygen and magnesium which form magnesium oxide in the air by forming white smoke increases the mass of magnesium
