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Oliga [24]
4 years ago
13

Retry: 1.Examine Record A. Use the three basic rules to figure out the ages of the layers. In Chart A, list the layers from youn

gest to oldest with the youngest layer in the first row.

Chemistry
2 answers:
zubka84 [21]4 years ago
7 0
I, D, B, E, H, C, J, F, A, G, K
Harman [31]4 years ago
3 0

Answer:

C, E, H, A, B, F, K, D, L, G, J, I.

Explanation:

Hello,

In this case we are dating each layer based on its deepness as the deeper the layer is, the farther back in time it is (older). In such a way, the youngest layer is C and henceforth by going down, we find older and older layers no matter if the layer is horizontal or diagonal, we just go down by straight line, therefore, from youngest to oldest, the order turn out into:

C, E, H, A, B, F, K, D, L, G, J, I.

Best regards.

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When you add a controlled amount of substance known as an impurity to a pure semiconductor, its conductivity increases. This pro
alisha [4.7K]

Answer:

See explaination

Explanation:

1. The addition of group 3A elements to group 4A semiconductors decreases the conductivity of the group 4A semiconductors: Wrong

The addition of 3A group elements inreases the conductivity and make them extrinsic semiconductors( p-type)

2. The conductivity of semiconductors can be increased by the doping process.: Correct

3.As the temperature increases, the conductivity of semiconductors decreases.. wrong

As the temperature increases, the conductivity of semiconductors increases.

4. The addition of group 5A elements to group 4A semiconductors increases the conductivity of the group 4A semiconductors: Correct : They will create n-type semicoductor.

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3 0
3 years ago
What gas will make a flame pop then go out
Vitek1552 [10]

Answer:

Hydrogen Gas

Explanation:

The hydrogen gas now in the test tube is flammable. So when I hold the tube over the flame, the hydrogen gas ignites and creates a popping sound. It is like a tiny bomb or fireworks.

Hope this helped! :)

8 0
3 years ago
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ankoles [38]

Answer: balanced reaction equation

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Explanation:

Part A- coefficients

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Part B

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Part C

If 1 mole of octane produced 9 moles of water from the balanced reaction equation

0.28 moles of octane will produce 0.28×9= 2.52 moles of water

Part D

If 12.5 moles of oxygen reacts with 1 mole of octane

0.63 moles of oxygen will react with 0.63/12.5=0.0504moles of octane

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4 0
3 years ago
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3 years ago
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