Which of the following reactions are considered single replacement reactions? (2 points) pls help me [Select ALL that apply]

2 Mg + O2 → 2MgO

CaO + H2O → Ca(OH)2

Fe + CuCl2 → FeCl2 + Cu

Au2S3 + 3 H2 → 2 Au + 3 H2S

NaNO3 + KC2H3O2 → NaC2H3O2 + KNO3

2 MgNH4PO4 → Mg2P2O7 + 2 NH3 + H2O

a chemical reaction happens

explanation:

h

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.