Kobe Bryant was recorded to have thrown a basketball 10m in 0.75 seconds. What was the ball’s speed


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From the calculation, the voltage of the electrolytic cell is -0.92 V

An electrolytic cell is is cell that produces energy by a nonspontaneous chemical process. The anode of this cell is zinc while the cathode is aluminum.

The voltage of the cell is obtained from Ecathode - E anode = -1.66 V - (-0.74 V) = -0.92 V

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Answer:

B

Explanation:

I did this and got it correct.

Answer: 0.0000025 liters

Answer:

35 °C is the final temperature.

Comment if you need step to step explanation.

A 100.0 gram sample of water at 50.0°C is mixed with a 50.00 gram sample of water at 20.0°C. 35 °C is the final temperature of the 150.0 grams of water.

The physical concept of temperature indicates in numerical form how hot or cold something is. A thermometer is used to determine temperature. Thermometers are calibrated using a variety of temperature scales, which historically defined distinct reference points or thermometric substances.

The most popular scales are indeed the Celsius scale, sometimes known as centigrade, with the unit symbol °C, the Fahrenheit level (°F), as well as the Kelvin scale (K), with the latter being mostly used for scientific purposes. Among the seven units inside the International Units of Measure is the kelvin (SI).

Final temperature = (m₁×T₁×c₁  +  m₂×T₂×c₂)/( T₁+ T₂)

                            =  (100.0×50.0×4.18  +   50.00×20.0×4.18 )/( 50.0+ 20.0)

                           = 35 °C

Therefore,  35 °C is the final temperature of the 150.0 grams of water.

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Answer:

Nothing

Explanation:

BECAUSE DONT ASK

Answer:

2

Explanation:

Answer:

Electronic configuration consist

on the basis of sub shell

Answer:

Cl has 7 dots

if its Cl2; Cl-Cl it will contain 14 dots

Explanation:

The electron-dot formula of the chlorine molecule Cl₂is shown in the attached diagram below.

A lewis electron dot structure is used to represent the number of bonds, the bonding atoms, and the lone pairs left in the atoms in the molecule.

Lines are shown between atoms that are bonded to one another and excess electrons or lone pairs are represented as dot pairs and are placed next to the atoms.

As the valence electrons of each chlorine atom are equal to seven from the electronic configuration of the chlorine atom.

First, the total number of valence electrons in a chlorine molecule is 7 + 7 = 14.

As each chlorine atom needs only one electron to complete its octet. As the octet completes, the rest of the electrons are assigned as the lone pairs of atoms. Therefore, each chlorine atom has three lone pairs of electrons on it.

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Answer:

Molecules in solids are tightly packed because the atoms are freezed together. Molecules in liquids are loosely packed because atoms are broken down and can move anywhere. Molecules in gases are free; the atoms can move or spread anywhere.

Solids do not move; hence no speed.

Liquids move and slide past past each other.

Gases move freely at high speeds

Answer:

E = 65.37×10⁻²² J

Explanation:

Given data:

Energy of photon = ?

Frequency of photon = 9.86×10¹² Hz

Solution:

Formula:

E = h.f

Here h is planck's constant its value is 6.63×10⁻³⁴ js.

E = 6.63×10⁻³⁴ js × 9.86×10¹² Hz

  Hz =  s⁻¹

E = 65.37×10⁻²² J

The energy of photon is 65.37×10⁻²² J.

Answer:

I can help you know how to mark the points.

For the first one point, if you look at the lines that go side to side, you need to find the line that is 20 degrees that's above the blue line. Next, if you look at the lines that go up and down, you need to find the line that is 30 degrees, but is to the right of the blue line. When you plot your point, it should somewhere along the coastline of Saudi Arabia.

For the second point, if you look at the lines that go side to side, you need to find the line that's 40 degrees that's below the blue line. Next, if you look at the lines that go up and down, you need to find the line that is 10 degrees that's to the left of the blue line. When you plot your point, it should be located somewhere in the South Atlantic Ocean.

For the third point, if you look at the lines that go side to side, you need to find the line that's 20 degrees that's below the blue line. Next, if you look at the lines that go up and down, you need to find the line that's 40 degrees that's to the right of the blue line. When you plot your point, it should be kind of located in the Indian Ocean, but not too far from Africa.

(Not too sure how accurate the instructions were, I haven't done longitude and latitude lines in a while)

Explanation:

Picture:

Answer:

a. Plum pudding model

Explanation:

The plum pudding model of the atom was proposed by J.J. Thomson. It was the model he derived from his experiment on the gas discharge tube.

J.J Thomson was the first person to discover electrons which he called cathode rays because in the discharge tube, they emanate from the cathode.

Answer:

1)Oxygen atoms have 8 electrons and the shell structure is 2.6. The ground state electron configuration of ground state gaseous neutral oxygen is [He]. 2s2. 2p4 and the term symbol is 3P2.

Explanation:

2)If the element were to become excited, the electron could occupy an infinite number of orbitals. However, in most texts the example will be the next available one. So for oxygen, it might look like this: 1s22s22p33s1 - where the valence electron now occupies the 3s orbital in an excited (i.e. not ground) state

Answer:

You'll find someone. There's a someone for everyone.

Explanation:

And I know how you feel.

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

volume = final volume of water - initial volume of water

volume = 13.91 - 12 = 1.91 mL

We have

[tex]density = \frac{15}{1.91} \\ = 7.853403141...[/tex]

We have the final answer as

Hope this helps you

Answer:

Hello, Im Mack :)

Here is the Correct Solution for your question:

Answer is 7.85 g/mL

Explanation:

The density of a substance can be found by using the formula

-volume = final volume of water - initial volume of water

-volume = 13.91 - 12 = 1.91 mL

-Final Answer is: 7.85 g/mL

Hope this helped you out :)

Comment if you need further help, and I'll reply asap.

Have a great day my friend\ and best of luck to your studies :)

Answer: acid rain

Explanation: Acid rain is one way in which rocks can be chemically weathered. It can harm forests and crops, damage bodies of water, and contribute to the damage of statues and buildings. In this activity you will simulate the chemical weathering of limestone, which is a soft, sedimentary rock that reacts easily to acid rain.

No, unless you're doing some sort of course where they demand that you do. It's useful to remember the general features of the periodic table (what each block is, where they are in relation to each other, roughly where the most common elements are), but memorizing the entire thing would simply be a mnemonic exercise

Hope this helped

Answer:

i used a vent to vented

Explanation:

Answer: If an Atom has 12 Electrons then if it is a Neutral atom then the Atomic Number of the Atom will be 12.

The Electronic Configuration of Element with Atomic Number 12 will be :

⇒ 1s² 2s² 2p⁶ 3s²

We can notice from the Electronic Configuration that :

Given atom has 2 electrons in the 1st shell.

⇒ In the Shell : n = 1

Number of Electrons = 2

In the similar way : Number of Electrons in 2nd shell = 2 + 6 = 8

⇒ In the Shell : n = 2

Number of Electrons = 8

In the similar way : Number of Electrons in 3rd shell = 2

⇒ In the Shell : n = 3

Number of Electrons = 2

Explanation:

When an electron starts in the n=4 shell of a neutral hydrogen atom and once it has fallen to the n=1 shell, then 3 photons will be emitted.

If any electron is presnt in the highest energy shell of an excited atom and when comes back to the ground state then emission of energy takes place.

As we know that by the absorption of one photon, electron will goes on the succeding shell from the previous shell. Similarly when electron come back to the 3rd shell from the 4th shell of a hydrogen atom then 1 photon will emit, from 3rd to 2nd shell 2nd photon will emit and from 2nd to 1st shell 3rd photon will emit.

Hence 3 photons will be emitted once electron will fall into 1st shell from the 4th shell.

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Answer:

  (A) is the answer

Explanation:

(A) heat a saturated sugar water solution, dissolve more sugar, then let the solution cool

Answer:

the answer is a

Explanation:

im on edg rn

Answer:

Explained below

Explanation:

In a decomposition reaction, a substance (commonly a molecule) descomposes in the elements that originally formed it.

The standard formula is:

AB > A + B

In fact, is the opposite of a synthesis reaction.

An example of decomposition reaction is:

H2O > 2H + O

Iron (II) (Fe) oxidized, aluminium (Al) reduced. Hence, option D is correct.

An electrolytic cell converts electrical energy into chemical energy or vice versa.

Oxidation-reduction reactions are balanced by two half overall chemical equations into an oxidation equation and a reduction equation.

Iron (II) (Fe) oxidized, aluminium (Al) reduced of the following is an electrolytic cell.

Hence, option D is correct.

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Answer:

You are correct however there is also potential energy because the energy is released over a period of time.

Hope this helps!

Answer:

A Mineral can be identified if they have the following properties:

1) Naturally occurring: it should be present in nature on its own, steel is not a   mineral because it is made manually.

2) Inorganic it should not be produced by any organism

3) Solid It should not be in liquid or gaseous state, water is not a mineral because its liquid.

4) Definite chemical composition it should have a limited variation in its chemical properties.

5) Ordered internal structure it should have definite internal repeating structure that does not varies much.

Answer:

applying for a license

Answer:

Applying for a license

Explanation:

This is because you have to have observations,hypothesis and a scientific equation when using The Scientific Method.

Answer:

The answer would be "True"