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Fe(2)O(3) (S) + 2AI (s) to 2Fe(l) + AI(2...

`Fe_(2)O_(3) (S) + 2AI (s) to 2Fe(l) + AI_(2)O_(3)(s) ` + Heat . This reaction is called .

A

calcination

B

thermit reaction

C

thermal reaction

D

displacement .

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To determine the type of reaction represented by the equation: \[ \text{Fe}_2\text{O}_3 (s) + 2 \text{Al} (s) \rightarrow 2 \text{Fe} (l) + \text{Al}_2\text{O}_3 (s) + \text{Heat} \] we can follow these steps: ### Step 1: Identify the Reactants and Products In the given reaction, the reactants are iron(III) oxide (Fe₂O₃) and aluminum (Al). The products are liquid iron (Fe), aluminum oxide (Al₂O₃), and heat. **Hint:** Look for the states of matter (solid, liquid) and the substances involved to understand the reaction better. ### Step 2: Analyze the Reaction Type This reaction involves the reduction of iron(III) oxide by aluminum. Aluminum acts as a reducing agent, and it reduces Fe₂O₃ to iron while itself being oxidized to aluminum oxide. **Hint:** Consider how one substance is being reduced and another is being oxidized to identify the reaction type. ### Step 3: Determine the Characteristics of the Reaction The reaction is highly exothermic, meaning it releases a significant amount of heat. This characteristic is crucial in identifying the reaction type. The heat produced is often used in practical applications, such as welding railway tracks. **Hint:** Look for reactions that produce heat and involve metals, as they often indicate specific types of reactions. ### Step 4: Classify the Reaction Given that this reaction produces molten iron and aluminum oxide while releasing heat, it is classified as a Thermite Reaction. Thermite reactions are typically used in applications requiring high temperatures. **Hint:** Recall that Thermite reactions are known for their use in welding and metal production due to the intense heat they generate. ### Conclusion The reaction is classified as a **Thermite Reaction**. **Final Answer:** This reaction is called a Thermite Reaction. ---

To determine the type of reaction represented by the equation: \[ \text{Fe}_2\text{O}_3 (s) + 2 \text{Al} (s) \rightarrow 2 \text{Fe} (l) + \text{Al}_2\text{O}_3 (s) + \text{Heat} \] we can follow these steps: ### Step 1: Identify the Reactants and Products In the given reaction, the reactants are iron(III) oxide (Fe₂O₃) and aluminum (Al). The products are liquid iron (Fe), aluminum oxide (Al₂O₃), and heat. ...
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When 10g of AI is used for reduction in each of the following alumino thermic reactions. Which reaction would generate more heat and by hwo much? a. 2AI + Cr_(2)O_(3) rarr AI_(2)O_(3) +2Cr b. 2AI +Fe_(2)O_(3) rarr AI_(2)O_(3) +2Fe Standard heat of formation of AI_(2)O_(3), Cr_(2)O_(3) , and Fe_(2)O_(3) are -1676 kJ, 1141 kJ , and -822.2 kJ , respectively.

The thermite reaction used ofr welding of metals involves the reaction 2Al(s) + Fe_(2)O_(3)(s) rarr Al_(2)O_(3)(s) + 2Fe(s) What is Delta H^(@) at 25^(@)C for this reaction ? Given that the standard heats of formation of Al_(2)O_(3) and Fe_(2)O_(3) are - 1675.7 kJ and - 828.4 kJ mol^(-1) respectively.

Knowledge Check

  • Fe_(2)O_(3) + 2Al rarr Al_(2)O_(3) + 2Fe Above reaction is

    A
    combination reaction
    B
    double displacement reaction
    C
    combustion reaction
    D
    single displacement reaction
  • Consider the following reactions. DeltaH^(@) values of the reactions hve been given as -x, -y and z kJ. Fe_(3)O_(4)(s) to 3Fe(s) + 2O_(2)(g), DeltaH^(@) = z kJ 2Fe(s) + O_(2)(g) to 2FeO(s), DeltaH^(@) =-x kJ 4Fe(s) + 3O_(2)(g) to 2Fe_(2)O_(3)(s), DeltaH^(@) =-y kJ Heat of reaction for the reaction, FeO(s) + Fe_(2)O_(3)(s) to Fe_(3)O_(4)(s) is :

    A
    `(x+y+z)/2`
    B
    `(2z-x-y)/2`
    C
    `(x+y-2z)/2`
    D
    `(2x+2y+z)/2`
  • If DeltaG= -177K cal for (a) 2Fe(s)+O_(2)(g) to Fe_(2)O_(3)(s) and DeltaG= -19Kcal for (b) 4Fe_(2)O_(3)(s)+Fe(s) to 3Fe_(3)O_(4)(s) What is the Gibbs free energy of formation of Fe_(3)O_(4) ?

    A
    `+ 229.6` kcal/ mol
    B
    `-242.3` kcal/mol
    C
    `727` kcal/mol
    D
    `-229.6` kcal/mol
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