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gregori [183]
2 years ago
9

The change in velocity over a specific amount of time Includes speeding up. slowing down or changing direction. This is known as

O speed acceleration changing speed​
Chemistry
1 answer:
Nana76 [90]2 years ago
3 0

Answer:

Acceleration

Explanation:

Acceleration = \frac{velocity}{time}

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Stable nuclei with low atomic numbers, up to 20, have a neutron to proton ratio of approximately ________.
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1 to 1. Most small atoms have the same number of protons and neutrons
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What is the reason for heat transfer from one substance to another?
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What information is needed to determine the energy of an electron in a many-electron atom? a) n. b) l. c) ml. d)ms
mel-nik [20]

Answer:

The correct answer is b.

Explanation:

The quantum number n specifies the energetic level of the orbital, the first level being the one with the least energy. As n increases, the probability of finding the electron near the nucleus decreases and the orbital energy increases.

In the case of atoms with more than one electron, the quantum number l also determines the sublevel of energy in which an orbital is found, within a certain energy level. The value of l is designated by the letters s, p, d, and f.

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3 years ago
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To protect yourself from consuming too much _____, you should limit your consumption of swordfish, king mackerel, and shark. a.
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b. mercury

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3 years ago
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To completely convert 9. 0 moles of hydrogen gas (h2) to ammonia gas, how many moles of nitrogen gas (n2) are required?
evablogger [386]

To completely convert 9. 0 moles of hydrogen gas (h2) to ammonia gas, 3.0 moles of nitrogen gas (n2) are required.

<h3>What are moles?</h3>

The mole is a SI unit of measurement that is used to calculate the quantity of any substance.

<h3 />

The given reaction is \rm  N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)

By the stoichiometry rule of ratio hydrogen: nitrogen

3 : 1

The reacted moles of nitrogen is equals to H/3 moles of reacted hydrogen

So, moles of nitrogen  

\rm Moles\; of\; nitrogen = \dfrac{9.0 }{3} =3.0\;mol

Thus, 3.0 moles of nitrogen gas (n2) are required.

Learn more about moles

brainly.com/question/26416088

#SPJ4

3 0
2 years ago
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