Question

how to complete reactions?

like
Al + HCI
S+O2


please explain..​

Answer 1

Explanation:

Al+2HCl gives AlCl2+H2

S+O2 gives SO2

Answer 2

Answer:

In a synthesis reaction, two or more chemical species combine to form a more complex product. In this form, a synthesis reaction is easy to recognize because you have morereactants than products. Two or morereactants combine to make one larger compound.