From Ideal Gas Equation
PV = nRT
V = nRT/ P
= (0.5/12)*0.82*-20/1.5
=0.042*0.82*-20/1.5
Volume = 0.46
Density = 0.5/0.46
= 1.08 gm/cc
( Option D)
I believe it is a large mass of warm air rises, replacing the cooler air above
Answer:
HCl + Mg(OH2) ---> MgCl2 + H2O
Explanation:
hydrochloric acid + magnesium hydroxides ==> magnesium Chloride (a salt) + Water
HCl + Mg(OH2) ---> MgCl2 + H2O
Your answer is: A. tetrahedral
Hope this helped! :D