what is the name of this branched alkane?

Answer:

I LIKE TRAINS

Explanation:

SNAILS ARE YUMMY

Answer:

gases are able to spread out and fill whatever container they are in because they do not have. a definite shape their molecules are not tightly packed so they can cover over a vast area like our atmosphere.

Answer:

The answer will be ：

In year 1869

Russian scientist named Dmitri Mendeleev

Chart called Mendeeleves periodic table

increasing atomic masses

physical and chemical properties.

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Best of luck ！！

Answer:

Increasing its temperature.

Longer

and thinner

Explanation:

e2021

The resistance of a wire increases by increasing its temperature, using a longer wire and using a thinner wire.

The resistivity of wire describes the opposition to the flow of current in the wire.

[tex]R = \frac{\rho L}{A} \\\\\rho = \frac{RA}{L} \ (ohm-meter)[/tex]

where;

From the formula above, the resistance of a wire increases with

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Answer: The molecular formula will be [tex]C_6H_6O[/tex]

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

The empirical formula is [tex]C_6H_6O[/tex]

The empirical weight of [tex]C_6H_6O[/tex] = 6(12)+6(1)+1(16) = 94 g.

The molecular weight = [tex]2\times \text{vapour density}=2\times 47=94[/tex]

Now we have to calculate the molecular formula.

[tex]n=\frac{\text{Molecular weight}}{\text{Equivalent weight}}=\frac{94}{94}=1[/tex]

The molecular formula will be=[tex]1\times C_6H_6O=C_6H_6O[/tex]

Answer:

6.27 X 10^26 atoms

Explanation:

Write down the formula:

number of moles = mass/Ar    (Ar is atomic mass)

Ar of carbon = 12

mass = 12.5kg or 12500g

Substitue these values into the formula:

number of moles = 12,500g / 12 = 3125/3 or 1041.6

Convert this to atoms:

1 mole = 6.022 X 10^23 atoms

So, 1041.6 moles = 6.27 X 10^26 atoms

Answer:

B

Explanation:

cool air never rises so not A

C would mean its getting warmer

and heat flows from warm to cool so not D

we are left with B

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Answer:

I believe it is Avogadro's number: 6.022 × 10²³

Explanation:

One mole of a substance is equal to 6.022 × 10²³ units of that substance

Answer:

c. energy

Explanation: an atom increases negative charge put frustration/ stress on other electrons causing alot of energy to be released.

Answer:

the first one is the answer

Answer:

Phrases that describe the oceans are

cover more than 70 percent of Earth

constantly in motion

interact with other Earth systems

Explanation:

What are the two most important properties of ocean water?

Two of the most important characteristics of ocean water are its temperature and salinity.

Answer:

5.5 L

Explanation:

First we convert 10 g of propane gas (C₃H₈) to moles, using its molar mass:

Then we use the PV=nRT formula, where:

1 atm * V = 0.23 mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 293 K

Answer:

No because if there was an attraction hydrogen would not do it's function

Answer:

As(OH)3 or AsH3O3

Explanation:

Answer:

dissolving is classified as a physical change because it can be reversed back to its original form

explanation:

Dissolving is an example of a reversible change. For example, when salt is mixed with water it disappears because it dissolves in the water to make salty water. But we can get the salt can back again by boiling off the water. That leaves the salt behind.

Answer

5.6 L

Explanation:

whatever you start with, you end with the same amount.

(LAW OF CONSERVATION)

The amount of oxygen and gasoline that can be produced is 5.6 liters

The question above is answered with the law of conversation of mass. This law of conversation of mass states that  no form of energy can be destroyed, instead it is changed from one form to another type of form.

In this law, it is expected that you end with the same amount you started with. According to the question above, since the amount that you started  with is 5.6 liters then you will end with 5.6 liters also.

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Answer:

Potential energy

Explanation:

Answer:

it readily gains another electron. the outer electron shell is closer to the nucleus, than iodine for example, which makes it less shielded (greater attraction for another electron = violent reaction to get it)

Explanation:

The atoms of helium are required to equalize the mass of a silver atom is 8.4 x 10 ⁻⁴⁸.

Atoms are the minute particles that are present inside elements.

Atomic mass of silver is 107.86 g/mol

Mass of one atom of silver will be

[tex]\dfrac{ 107.86 }{6.022 \times 10^{-23}} = 1.79 \times 10^2^4[/tex]

Atomic mass of helium is 6.941

[tex]\dfrac{6.022 \times 10^{-23}}{4.0 \times 1.79 \times 10^2^4 } = 8.4 \times 10^{-48}[/tex]

Thus, the atoms of helium are required to equalize the mass of a silver atom is 8.4 x 10 ⁻⁴⁸.

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Answer:

Transform

see image below:

Answer: i gotcu the answer is mass

Explanation: The more weight of the object the more its subject to gravity like a feather barley is while a bowling ball smashes into the ground :D

The property allows objects to be subject to gravity is mass. Therefore, option B is correct.

Mass is a physical body's total amount of matter. Inertia, or the body's resistance to acceleration when a net force is applied, is also measured by this term.

The strength of an object's gravitational attraction to other bodies is also influenced by its mass. The kilogram serves as the SI's fundamental mass unit. The amount of matter object present is also known as mass.

The amount of matter that makes up every item or body is the greatest way to understand mass. Everything that we can see has mass. Examples of objects with mass include a table, a chair, your bed, a football, a glass, and even air. The mass of a thing determines whether it is light or heavy.

Thus, option B is correct.

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The carbon and silicon have in common that they belong to the same column (family), therefore they have the same number of total electrons. So, option B is correct.

Carbon's closest analogue is silicon. Silicon and carbon are both tetravalent atoms that primarily form covalent (non-ionic) compounds. However, aside from the fact that both elements "can form four covalent bonds," there is surprisingly little in common between them.

Carbon has an atomic number of 6 and an electronic configuration of 2, 4. Silicon has an atomic number of 14 and an electronic configuration of 2, 8, 4. Because both elements have the same number of valence electrons, they are classified as being in the same group.

Thus, option B is correct.

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The given reaction is an example of displacement reaction. Here, one mole of oxygen reacts with one mole of oxygen molecules. Hence theoretically 32 g of sulphur needs 32 g of oxygen.

Displacement reactions are a kind of reactions where one element or group is displaced with other element or group. There are both single displacement and double displacement reaction.

The reaction of sulfur oxide with metallic copper producing copper oxide and copper sulphide is an example of single displacement reaction. The prior reaction for this is the combination of sulfur and oxygen.

Here, one mole of oxygen reacts with one mole of oxygen molecules. Hence theoretically 32 g of sulphur needs 32 g of oxygen. Thus each is reacting in 1 :1 ratio and giving the oxide of sulfur.

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The English translation of your question is as follows:

Oxygen and sulfur react with copper to form copper oxide (CuO) and copper sulfide (CuS), respectively. How much sulfur reacts with oxygen? 1° Cu + O2 =2CuO 2° Cu + S = CuS 3° S + O2 = 2SO

Without tasting a colorless liquid, an acid or a base can be determined using indicators.

The three most common indicators to test for acids and bases are: Litmus. Methyl orange. Phenolphthalein.

To learn more about :  Indicators

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Answer:

2.35 x 10²⁴ atoms Al

Explanation:

Given 3.9 moles of aluminum (Al), determine number of aluminum atoms in that quantity of substance.

By definition a mole is the mass of substance containing one Avogadro's Number (N₀) of particles. That is, 1 mole = 1 N₀ = 6.023 x 10²³ particles*.

So, if 1 mole aluminum contains 6.023 x 10²³ atoms of aluminum then

3.9 moles Al = 3.9 moles Al  x  6.023 x 10²³ atoms Al/mole Al = 2.35 x 10²⁴ atoms Al.

________________

*The complete equivalent relationship is ...

1 mole (atoms or compounds) = 6.023 x 10²³ atoms or molecules = 1 formula weight of the substance = 22.4 Liters (if in gas phase at STP conditions (0°C and 1atm pressure).

________________

Sure hope this is understandable ... if not, kick back a note. Doc

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Answer:

There are several ways that scientists communicate our results, including written reports and scientific journal publications, and by giving presentations to our colleagues and the public. One popular venue for scientists to present to colleagues is at scientific conferences.

Explanation:

Answer:

-Good writing explaining their data they have discovered

-Their research is shared with the other scientists, and is peer reviewed

-They present their results at national and international conferences where other scientists can listen and give their input.

Explanatio

Answer:

epic

Explanation:

hakuna matata