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Ne4ueva [31]
3 years ago
12

A. On what continent would you find each of the following locations?

Chemistry
1 answer:
Fofino [41]3 years ago
6 0

Answer:

<h2><em><u>Durban, South Africa</u></em></h2>

Explanation:

please mark as brain and like please

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Equilibrium is characterized by
Hatshy [7]

Answer:

the thenhow to be my favorite you want to go don't think I love you too I don't think so ako wala load it out and then the words of the is being proud of you Fouck you Fouck

Explanation:

good morning I love you too baby girl women it's a

6 0
3 years ago
Which of the following choices would have a positive entropy change?
aalyn [17]

Answer:

  • The option <u><em>B) Fe₂O₃ (s) + 3C(s) → 2Fe(s) + 3CO₂(g),</em></u> because the reactants are only solid units and the products contain gas molecules.

Explanation:

A <em>positive entropy change</em> means that the entropy of the products is greater than the entropy of the reactants.

Entropy in a measure of the radomness or disorder of the system.

Let's see every reaction:

<u />

<u>A) 4NO₂ (g) + 2 H₂O (l) + O₂ (g) → 4 HNO₃ (aq)</u>

Since 5 molecules of a gas (high disorder) combines with 2 molecules of liquid to produce 4 units of aqueous HNO₃ you may expect that the product is more ordered than the reactants, which means that the change in entropy is negative (the entropy decreases).

<u />

<u>B) Fe₂O₃ (s) + 3C(s) → 2Fe(s) + 3CO₂(g)</u>

The left side (reactants) show only solid substances which is a highly ordered arrangement while the right side (products) show the formation a solid (ordered arrangement) and a gas (highly disoredered arrangement), so you can predict the increase of the system entropy, i.e. a positive entropy change.

The <u>equation C)</u> shows the combination of 12 gas molecules to produce 1 solid and 6 gas molecules, so you can expect that the entropy will decrease, i.e. a negative entropy change.

For <u>equation D)</u> the products include solid and gas reactants while the product is just one unit of solid substance, letting you to predict a negative entropy change.

4 0
3 years ago
If two-parent with AB blood group claim and say that they have a baby with O blood group is born to them and it is their own bab
Marta_Voda [28]
Yes but it’s a slim chance both parents carry two genes the child would have to have opposite gene from both parents
5 0
3 years ago
In the diagram, which of the following represents the activation energy?
Irina-Kira [14]
Can you post the diagram?
8 0
3 years ago
If we increase the temperature of the reaction that occurs in plants to create sugar. What direction does the equilibrium shift.
maxonik [38]

The reaction used to produce sugar in plants is Photosynthesis,

6CO₂ + 6H₂O + heat ⇆ C₆H₁₂O₆ + 6O₂↑

we can see that this reaction is endothermic, it absorbs heat to occur

If we were to add more heat or increase the temperature, the left side of the equilibrium will be able to react much more, which would produce more glucose (aka sugar)

Hence increasing the temperature will shift the equilibrium to the right or towards the Products

3 0
3 years ago
Read 2 more answers
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