Prove that: F = Gm₁m₂ /d^2​

answer:

is Well-Known Member. For a 35" you should be in the 28-32 range on road.

Explanation:

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Answer:

green n yellow and white and black and white sq

Answer:

the answer to the qustion is 0.013089701 na

Explanation:

n/a

Answer:

5095 JULLITET LI\

Explanation:

28.5 J is the amount of energy transferred to the coin.

The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases by 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).

Energy is calculated mCΔT formula  where,

m(mass)= 6.30  grams

C(specific heat capacity)= 0.377 j/g

ΔT(change in temperature)= 32.0°C- 20°C= 12 °C

Energy is, therefore:

Q = mCΔT

Q= 6.30 g  x 0.377  j/g /°C x   12 °C

Q= 28.5 J

Hence, 28.5 J is the amount of energy transferred to the coin.

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Answer:

28.5 J is which what is the amount of energy transferred or given to the coin.

Explanation:

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The mass of  2.75 ×   [tex]10^{-4}[/tex]moles NaOH will be 1.1 x  [tex]10^{-2}[/tex] grams

Recall that:

Mole = mass/molar mass.

Thus, mass = mole x molar mass.

In this case, the mole is  2.75 × [tex]10^{-4}[/tex] moles and the molar mass of NaOH is 40 g/mol.

Mass =  2.75 ×  [tex]10^{-4}[/tex]x 40 = 1.1 x  [tex]10^{-2}[/tex] grams

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Answer:

Answer is option B or:

1.10 x 10–2 g NaOH

Explanation:

hope this helps! (edge)

Answer:

The periodic table

Explanation:

As you can see in the screenshot. Each element on the periodic table has an atomic number and a mass number. The atomic numbers are arranged in numerical order from right to left in the periodic table. The second number there is the atomic mass.

When doing stoichiometric ratios, you need to use the atomic mass of each element to determine the molecular/molar mass.

example. Find the molar mass of

H₂SO₄

Hydrogen (2) + sulphur (1) +oxygen (4)

= atomic mass of H(2)+ atomic mass S(1)+ atomic mass oxygen(4)

=1(2) + 32(1)+16(4)

=2+32+64

=98

N.B We do not use the co-efficient when looking for molar mass, we only use the atom and subscript

Answer:

um Im not sure what the heck that is

The molarity of the potassium acetate solution given the data is 1.584 M

This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

Mole = mass / molar mass

Mole of CH₃COOK = 19.4 / 98

Mole of CH₃COOK = 0.198 mole

Molarity = mole / Volume

Molarity of CH₃COOK = 0.198 / 0.125

Molarity of CH₃COOK = 1.584 M

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Answer: 1/12

Explanation:

A carbon-12 atom has a mass of 12 amu, so multiplying this by 1/12, we get 1 amu.

Answer:B

Explanation:got it right

The statement, "It is technically challenging to create nuclear fusion reactions safely and efficiently", is related to nuclear fusion reaction. Thus, Option B is correct.

This is due to the need to reach and maintain the extreme temperatures and pressures required for the reaction to occur and to confine and control the plasma in which the reaction takes place.

Nuclear fusion is a promising source of energy that has the potential to provide abundant, clean & sustainable power. However achieving nuclear fusion requires overcoming several challenges including the technical difficulties of creating and controlling the extreme conditions required for the reaction to occur.

Fusion reactions can produce high-energy neutrons that can damage the materials used to contain the reaction and require special handling and disposal. While progress has been made in developing fusion technologies, there is still much work to be done to make fusion a viable source of energy for the future.

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Answer:

The release of energy from fuels is used to make other forms of

energy. When gasoline burns in a car engine, some of the

chemical energy in the gasoline is converted into heat. The heat

is converted into mechanical energy. The mechanical energy

moves the car .

if you know that I am right please mark it as brainliest

Answer:

It is asking for 3 energy conversions like Mechanical energy is one of them

Explanation:

Answer:

2.77g of [tex]AlCl_{3}[/tex] can be produced.

Explanation:

Use stoichiometry.

Balanced equation: [tex]3Al + 3NH_{4} ClO_{4}[/tex] ⇒ [tex]Al_{2} O_{3} + AlCl_{3} +3NO + 6H_{2} O[/tex]

[tex]NH_{4} ClO_{4} : AlCl_{3}[/tex]

      3        :     1                        **[tex]n=\frac{m}{M}[/tex]

 0.0623**   :    [tex]x[/tex]                        [tex]n=\frac{7.32}{117.49}[/tex]   = 0.0623

      [tex]3x=0.0623\\x=0.020767[/tex]

[tex]n=\frac{m}{M}[/tex]    

[tex]m=nM[/tex]

m= (0.020767)(133.34)

m= 2.77g                                  

Answer:

convert the 25.13 g of Fe2O3 into moles by dividing by its molar mass (159.69) to get that. When looking at the stoichiometric coefficients, we can see that for every 1 mole of Fe2O3, there needs to be 3 moles of CO.

Explanation:

Answer:

A Dendrologist! They are the type of Scientist that studie trees.

Answer: When adding sugar to tea, it was observed that the sugar kept dissolving. After a minute, all of the sugar was completely dissolved, as no extra particles can be added and be seen floating around.  The mixture is then considered to be

Explanation:

The molecule of  mixture  cannot be seen hence, it will be considered as homogeneous mixture.

A molecule is just a collection of more than two atoms bound together by chemical bonds; depending on the context, the phrase doesn't have to include ions that meet this requirement.

Solids, liquids, as well as gases, can all be homogeneous mixtures. Through, they have almost the same look and chemical makeup.

When sugar will be dissolved, the sucrose molecules get separated from one another. The materials that make up individual molecules stay together like sucrose molecules sucrose molecules, so the molecule will not break up.

Therefore mixture can be considered as molecule and homogeneous mixture.

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Answer:

See below ~

Explanation:

The respective pairs are :

× Ribose ⇒ The sugar of RNA

× Double helix ⇒ Structures of DNA

× Watson & Crick ⇒ Proposed the double helix model

× Base pair ⇒ Adenine - Thymine pair

× Cytosine ⇒ The nucleotide pair of Guanine

Answer:

Option C

Explanation:

Organisms break down starch into glucose

Answer:

Organisms break down starch into carbohydrate subunits.

Explanation:

So option C is correct

The elaboration likelihood model emphasizes the use of direct persuasion and peripheral persuasion methods.

What is direct persuasion and peripheral persuasion?

This theory involves a dual process which explains how attitudes are changed in individuals through persuasion.

These methods help in the formation of attitude which makes, in this case,  option use of direct persuasion and peripheral persuasion.

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Answer:

C. direct . . . peripheral

Explanation:

Because I said so.

Answer: Environmental chemistry

Explanation:

The number of molecules of oxygen in the cylinder is 6.02×1023 molecules

Data obtained from the question

Number of mole of oxygen = 1 mole

Number of molecule of oxygen =?

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02×1023 molecules. This implies that 1 mole of oxygen contains 6.02×1023 molecules.

Since the cylinder contains 1 mole of oxygen, then the number of molecules of oxygen present in the cylinder is 6.02×1023 molecules.

in digital signals, codes are used while in analogue signals do not use signals.

Signals are defined as the instructions which are transferred to another source in other to deliver a message.

There are two types of signals which include the digital and analogue signals.

The digital signals uses codes which is a secret way of sending messages while analogue doesn't use codes.

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The valence electron of the light metals are all in the range of 1 to 3.

Valence Electron is the number of electrons in the outer shell of an atom which participate in bond formation.

Number of Valence Electron in Boron is 3 and other light metals lighter than Boron have 1 , 2 of Lithium and Beryllium respectively,

The valence electron of the light metals are all in the range of 1 to 3.

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Answer:

D.

Explanation:

This is because this option would allow one to see the sorroundings of the new building. The others only give perpectives on what the new building looks like, isolated from its sorroundings.

Answer:

What is the main problem with windmills?

Image result for Guided Practice Old-fashioned windmills are not aerogenerators because

As with all energy supply options, wind energy can have adverse environmental impacts, including the potential to reduce, fragment, or degrade habitat for wildlife, fish, and plants. Furthermore, spinning turbine blades can pose a threat to flying wildlife like birds and bats.

Why are the windmills not moving?

Why do the turbines not spin at times? The most common reason that turbines stop spinning is because the wind is not blowing fast enough. Most wind turbines need a sustained wind speed of 9 MPH or higher to operate. Technicians will also stop turbines to perform routine maintenance or repairs.