(v) Complete the process of iron rusting by filling the blanks. Suggest a way to prohibit the process.
The iron rust is formed due to
reaction. Different regions on
iron surface become anode and cathode.
• Reaction on anode region :
Fee
- Fe2+
(aq)
+ 2e -
• Reaction on cathode region :
O2(g) + 4H+ +
(aq)
→ 2H,0a)
When Fe 2+ ions migrate from anode region they react with
form Fe3+ ions.
... to
A reddish coloured hydrated oxide is formed from ..
ions. It is called
rust.
2Fe3+
(aq)
+ 4H,00
→ +
+
(aq)
A way to prevent rusting
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-
1
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Actual ingredients of lab (the cookies i am actually making) 1/2 cup sugar 1/2 cup brown sugar 1 1/3 stick margarine 1 egg 1/2 tsp salt 1 tsp vanilla 1/2 tsp baking soda 1 1/2 cup flour 1 1/3 cup chocolate chip can you answer the questions below ? discussion 1. suppose you are given the following amounts of ingredients: 1 dozen eggs 24 tsp. of vanilla 1 lb. (82 tsp.) of salt 1 lb. (84 tsp.) of baking soda 3 cups of chocolate chips 5 lb. (11 cups) of sugar 2 lb. (4 cups) of brown sugar 1 lb. (4 sticks) of margarine a. for each ingredient, calculate how many cookies could be prepared if all of that ingredient were consumed. (for example, the recipe shows that using 1 egg- with the right amounts of the other ingredients- yields 24 cookies. how many cookies can you make if the recipe is increased proportionately for 12 eggs? ) b. to determine the limiting reactant for the new ingredients list, identify which ingredient will result in the fewest number of cookies. c. what is the maximum number of cookies that can be produced from the new amounts of ingredients?

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