Choose from the following descriptions of solid:
hcl(s)
(a) composed of macromolecules held together by strong bonds
(b) composed of atoms held together by delocalized electrons
(c) composed of positive and negative ions held together by electrostatic attractions
(d) composed of molecules held together by intermolecular dipole–dipole interactions
(e) composed of molecules held together by intermolecular london forces

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

the answer is d. 74.02

the maximum mass of nh3 is nh3 in grams

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.