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2 years ago

Use the scenario below to answer the following

Chemistry

1 answer:

Rom4ik [11]2 years ago

5 0

Answer:

i had this question a couple of weeks ago i just cant remember the answer other wise i would tell you but im sorry:( <3

Explanation:

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Why LED is better option for testing the conduction of electricity?

Anettt [7]

Answer:

Led is a light-emitting diode, a semiconductor diode that glows when a voltage is applied. So, there is always a sure result of whether a substance conducts electricity or not as the light glows. That is why it is a better option for testing conduction of electricity.

Explanation:

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2 years ago

What does morality measure

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2 years ago

Which of the following causes clouds to form? (1 point)

elena-s [515]

The answer is B, early in the morning water covered areas (lakes,ponds,puddles,etc.) will vaporize a little bit because of the heat from the sun and it will continue all day, vapors rise towards the atmosphere and since it's a lot cooler there it will condense into a cloud which is full of tiny frozen water particles. Hope this helps <span />

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2 years ago

Read 2 more answers

What could be the fourth quantum number of a 1s^2 electron be?

Bumek [7]

The forth quantum number is Spin quantum number and the value of Spin Quantum Number of 1s² will be +1/2. Therefore, the correct option is (B) option

<h3>What is Spin Quantum Number ?</h3>

It describes the orientation of the electron spin (rotation) in space.

In the given case of 1s² configuration,

since, the Quantum numbers are known as:

Principal quantum number (n) which cannot be zero.

The allowed values of n are therefore 1, 2, 3, 4, and so on.

Angular quantum number (l) is able to be any integer between 0

and n-1.

Therefore, for example, If n = 1, l will be 0,

If n = 2, l can be either 0 or 1.

Magnetic quantum number (m) is able to be any integer between -l and +l.

Therefore, for example, If l = 3, m can be either -3 to +3.

Spin Quantum Number (ms): Ms = +½ or -½ accounts for the orientation of the spin axis of an electron as it is able to spin in only one of two directions.

Thus, since the fourth quantum number is Ms, spin, we infer that the answer is (B) option ie, Ms = +1/2 because it represents the positive spin on 1s².

Learn more about Quantum Number Here ;

brainly.com/question/15325270

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1 year ago

Calculate the molarity of a solution prepared by dissolving 0.2 mol sucrose in enough water to make a 100 ml solution.

Lelechka [254]

Taking into account the definition of molarity, the molarity of a solution prepared by dissolving 0.2 mol sucrose in enough water to make a 100 mL solution is 2 $\frac{moles}{liter}$ .

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

$molarity=\frac{number of moles}{volume}$