Liquid, solid, and gas are all different substances
Answer:
Activating a glow stick is the example of a chemical change, as snapping one will cause a chemical reaction, causing the glow. All of the other options are physical changes because nothing new is formed. Hope this helps!
The action force is you sitting on the chair and the reaction force is the gravity on the chair that is caused by you sitting on the chair
526 L O2 x 1 mol O2 / 22.4 L = 23.5 mol O2
Answer:
The lattice energy of MgS is 4 times larger than that of NaCl
Explanation:
because, MgS has a higher charge that is Mg2+,S2− M g 2 + , S 2 − than NaCl (Na+,Cl−) ( N a + , C l − ) .
