Classify each of the following reactions: i. decopositionii. combinationiii. combustion a. 2ch3oh(l)+3o2(g)→2co2(g)+4h2o(g) b. 2naclo3(s)→2nacl(s)+3o2(g) c. ba(s)+f2(g)→baf2(s) d. 2na(s)+h2o(l)→2naoh(aq) e. 2ch3oh(l)→2c(s)+4h2(g)+o2(g)

a) Combustion

b) Decomposition

c) Combination

d) Combination

e) Decomposition

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Explanation:

A decomposition reaction is defined as the reaction in which a compound splits or breaks into two or more number of atoms.

For example,  

A Combustion is defined as the reaction in which a hydrocarbon reacts with oxygen and leads to the formation of carbon dioxide and water.

For example,

A combination reaction is defined as the reaction in which two substances or compounds chemically react together to give a single product.

For example,

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.