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Margaret [11]
2 years ago
11

What kinds of chemical reactions have you seen around your home? (Think about cooking or grilling.) Explain the evidence you hav

e seen that they are chemical reactions.
Chemistry
1 answer:
KATRIN_1 [288]2 years ago
5 0

Answer:

When your cooking, or baking a cake. For example, If you bake a cake you are adding ingredients to the cake. When you still the cake into the oven all the ingredients are reacting to each other, causing a chemical reaction.  

Explanation:

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Answer:

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Explanation:

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8 0
3 years ago
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An iron bar at 200c is placed in thermal contact with an identical iron bar at 120c in an isolated system
Step2247 [10]

Conduction: In the conduction, the heat is transferred from the hotter body to the colder body until the temperature on both bodies are equal.

In thermal equilibrium, there is no heat transfer as the heat is transferred till the temperature on the bodies are not same.

In the given problem, an iron bar at 200°C is placed in thermal contact with an identical iron bar at 120°C in an isolated system. After 30 minutes, the thermal equilibrium is attained. Then, the temperature on both iron bars are equal.Both iron bars are at 160°C in an isolated system.

But in an open system, the temperatures of the iron bars after 30 minutes would be less than 160°C. There will be heat lost to the surrounding. The room temperature is 25°C. There will be exchange of the heat occur between the iron bars and the surrounding. But It would take more than 30 minutes for both iron bars to reach 160°C because heat would be transferred less efficiently.

7 0
3 years ago
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Serggg [28]

Answer:

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Explanation:

4 0
3 years ago
What is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl?
Free_Kalibri [48]
Hope this helps you.

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Given the following unbalanced equation:
Naily [24]

Answer:

3.4 mol C3H8

Explanation:

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