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IgorLugansk [536]
2 years ago
5

How many atoms of chlorine are represented below? 9NaCL

Chemistry
1 answer:
Margaret [11]2 years ago
6 0

Answer:

there are 9 Chlorine atoms

Explanation:

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Consider the assumption that the four molecules of interest have approximately the same molar mass and very similar polarizabili
Igoryamba
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3 years ago
One mole of Ca is equal to how many atoms​
Irina18 [472]

Answer:

1 mole of calcium contains 6.023 \times 10^{23} atoms.

Explanation:

1 mole is the amount of a substance that contains exactly 6.023\times 10^{23} constituent particles. 1 mole of a substance is always equal to the atomic mass of the element.

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3 years ago
A solid ice cube absorbs 151.7 J of energy as it warms from 0.00°C to 4.70°C. What is the mass of the ice cube?
chubhunter [2.5K]
I believe you do 151.7= 4.18x (4.70) because you use the formula q=mcat
5 0
3 years ago
What is the electron configuration for N (nitrogen)?
ollegr [7]

Answer:

1s^22s^22p^3

Explanation:

Nitrogen has the atomic number = 7

So, No. of electrons = 7

<u><em>Electronic Configuration:</em></u>

1s^22s^22p^3

<u>Remember that:</u>

s sub shell holds upto 2 electrons while p sub shell upto 6

7 0
3 years ago
It's actually Science but I didn't find it.
fomenos

Answer:

Forces acting on an object may be balanced or unbalanced. When the forces  acting on an object have <u>equal</u> strength and act in opposite directions, they  are <u>balanced</u>. These forces cancel out one another, and the <u>motion</u> of the  object does not <u>change</u>.  When the forces acting on an object are <u>unbalanced</u>, they do not cancel out  one another. An unbalanced force acting on an object results in the object’s  motion <u>changing</u>. The object may change its <u>speed</u> (speed up or slow down), or it may change its <u>direction</u>.  <u>Friction</u> is a force that resists the motion or the tendency toward motion  between two objects in contact with each other.  <u>Gravity</u> is a force that pulls objects toward one another. For example, Earth  pulls all objects toward it.

Explanation:

3 0
3 years ago
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