Answer:
1. Density of metal object = <em><u>11000 kg / m3</u></em>.
2. Could the object be gold = <em><u>No,because the density of gold is 19300 kg / m3</u></em>.
The answer to this problem is =12
False-- most of the time not enough energy is put into the system, so the compounds or whatever cant break down fully into their elements
Answer:
a) reaction with oxygen
2mg +o2---------2mgo
b) Agno3+NaCl ----------AgCl+NaNo3