4. below. Balance each equation by placing the proper
The chemical equations for reactions a-e are listed
coefficient in front of each chemical formula.
A. NaOH + HCl → NaCl + HOH
B. NaOH +hno3➡️ nano3 +hoh
C. NaOH + H, SO. → Na, So+ HOH
d. NaOH + CH, OOH → CH, COONa + HOH
E. NaOH + H2PO4 → Na, PO + HOH

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.