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guapka [62]
3 years ago
5

The most reactive metals are the ________ to corrode.

Chemistry
1 answer:
katrin [286]3 years ago
3 0

Answer:

2. quickest

Explanation:

because they have lower activation energy.

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Help which one will it be
salantis [7]

Answer:

D

Explanation:

6 0
2 years ago
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Why is the electron in a Bohr hydrogen atom bound less tightly when it has a quantum number of 3 than when it has a quantum numb
Vadim26 [7]

Answer: An electron having a quantum number of one is closer to the nucleus

Explanation:

The Bohr model relies on electrostatic attraction between the nucleus and orbital electron. Hence, the closer an electron is to the nucleus the more closely it is held by the nucleus and the lesser its energy (the more stable the electron is and the more difficult it is to ionize it). The farther an electron is from the nucleus ( in higher shells or energy levels), the less the electrostatic attraction of such electron to the nucleus due to shielding effect. Hence it is less tightly held.

3 0
3 years ago
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Someone please help me!! I'll give brainlest!
Trava [24]

Answer:

Section Three

1. D

2. B

3. A

4. G

5. C

6. F

7. E

Section Four

1. F

2. E

3. B

4. A

5. C

6. D

7. G

Explanation:

4 0
2 years ago
CH4 + 202 → CO2 + 2H2O<br> How many grams of O2 needed to produce 36 grams of H2O?
Pavel [41]

Answer:

Mass = 64 g

Explanation:

Given data:

Mass of water produced = 36 g

Mass of oxygen needed = ?

Solution:

Chemical equation:

CH₄ + 2O₂       CO₂ + 2H₂O

Number of moles of water produced:

Number of moles = mass/molar mass

Number of moles = 36 g/ 18 g/mol

Number of moles = 2 mol

Now we will compare the moles of water and oxygen.

             H₂O       :          O₂

                2         :           2

Mass of oxygen:

Mass = number of moles × molar mass

Mass =  2 mol × 32 g/mol

Mass = 64 g

8 0
3 years ago
Why people in different parts of the world wear differet clothes
Svet_ta [14]

Answer:

People around the world wear different clothes because the way of life of people is different around the world..

The culture and heritage of the people around the world also varies...

Not only is it clothes, but food, language etc also varies as it depends on the culture and heritage as earlier said.

Happy to help

Pls mark as Brainliest

5 0
3 years ago
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