System 1 (DEMO):Reaction of Sodium Metal with Water Observations: Reaction Type:
ID: 548457 • Letter: S
Question
System 1 (DEMO):Reaction of Sodium Metal with Water Observations: Reaction Type: Balanced Equation: (Na with HgO) Reaction in words: ignite in the presence of oxygen gas in the air. If you observed The hydrogen gas produced in the reaction can flames above, it was likely due to this reaction Reaction Type: Balanced Equation: (hydrogen gas with oxygen gas): System 2: Combustion Reactions of Methane (CH) and Cellulose (empirical formula-Ctloo) a Bunsen burner flame. Observe. Light a wood splint (primarily cellulose fibers). Observe Extinguish the flames. Complete the table below. Fishe is blve /are hefor e lismo the plane turned drame/3c(( ,rint.cntSh, Observations: Balanced Equation: (combustion of methane) Balanced Equation: (combustion of cellulose) Reaction in words: (combustion of cellulose)Explanation / Answer
Na (s) + H2O (l) give NaOH + + 1/2 H2 (g) (aq) (molecular equation)
This is an example of redox reaction
Net ionic equation is
Na+ + H2O give Na+ + OH- + 1/2 H2 (g)
In this reaction, metallic sodium reacts with water to form NaOH, where sodium is oxidises to Na+ and H+ resuces to 1/2 H2 (where the oxidation state is zero. This reaction is highly exothermic.
The reaction between H2 and O makes flame
the reaction is an example of redox reaction (H is oxidized and O is reduced)
H2 + 1/2 O2 give H2O
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