how many grams of carbon atoms are present in a sample of c5h7 if there are 4.10 moles of hydrogen atoms in the sample

Balanced equation is \(C_6H_{12}\) + \(9O_2\) → \(6CO_2\) + \(6H_2O\).

A balanced chemical equation occurs when the number of the atoms involved on the reactants side is equal to the number of atoms on the products side.

Balanced equation is \(C_6H_{12}\) + \(9O_2\) → \(6CO_2\) + \(6H_2O\). Where there are 6 carbon atoms, 18 oxygen atoms, and 12 hydrogen atoms.

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If we started the reaction with p-tert-butylphenol instead of 4-methylphenol, we would have isolated p-tert-butylphenol tert-butyl ether as the product.

To prepare 4-bromo-2,6-di(tertbutyl) phenol using a Friedel-Crafts alkylation, we would start with 4-bromo-2,6-di(tertbutyl)phenol and react it with an alkylating agent such as tert-butyl chloride in the presence of a Lewis acid catalyst such as aluminum chloride. The reaction would proceed through a Friedel-Crafts alkylation mechanism, resulting in the substitution of a tert-butyl group for the bromine atom on the aromatic ring. The product would be 4-tert-butyl-2,6-di(tertbutyl)phenol.

If the initial reaction started with p-tert-butylphenol instead of 4-methylphenol, you would have isolated p-tert-butyl-BHT (Butylated Hydroxytoluene). The starting materials for preparing 4-bromo-2,6-di(tert-butyl)phenol using a Friedel-Crafts alkylation would be 1,3-dibromobenzene, tert-butyl chloride, and aluminum chloride (AlCl3) as the catalyst.

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The trend in ionization energy when proceeding down a group in the periodic table is that it decreases. This is because the atomic radius increases and the number of energy shells increases, making it easier to remove an electron from the atom.

This is due to the increase in atomic radius as you move down a group. As the atomic radius increases, the electrons become further away from the nucleus, making them easier to remove. As a result, the energy required to remove an electron decreases as you move down a group.

The ionization energy is the minimum energy required to remove an electron from an atom or molecular ion in the gaseous state. It is a measure of the strength of the attraction between the electron and the nucleus, and thus of the stability of the atom or ion.

The periodic table is a tabular arrangement of chemical elements, organized on the basis of their atomic numbers, electron configurations, and recurring chemical properties. The elements are grouped into periods, each of which contains elements with similar chemical and physical properties.

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Answer: D

Explanation:

O=C=O

Carbon is in group 14 having four valence electrons and oxygen is in group 16 having six valence electrons hence the correct structure of CO2 is O=C=O.

Carbon and oxygen are nonmetals. Nonmetals form compounds by sharing electrons in a covalent bond.Carbon, a group 14 element has four valence electrons while oxygen, a group 16 element has six valence electrons.

Carbon  can share four valence electrons with two oxygen atoms in CO2 to form the structure O=C=O. In this way, all the atoms now obey the octet rule.

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Answer: Quadrant 1: (1/3, 2 1/3)

Quadrant 2: (-1 1/3, 3 1/3)

Quadrant 3: (-3, -10), (-3 1/3, -1 1/3)

Quadrant 4: (9, -1), (1 1/3, -1 1/3)

Explanation:

Graph these coordinates on an XY plane to visualize which quadrant they land in.

Answer:

4.00

Explanation:

The solubility product (Ksp) for Ce(IO₃)₃ at the given temperature is 3.16×10⁻¹⁰

First, we shall determine the concentration of Ce³⁺. Details below:

Ce(IO₃)₃(aq) <==> Ce³⁺(aq) + 3IO₃⁻(aq)

From the above,

3 moles of IO₃⁻ is present in 1 mole of Ce(IO₃)₃

Therefore,

5.55×10⁻³ M IO₃⁻ will be present = 5.55×10⁻³ / 3 = 1.85×10⁻³ M Ce(IO₃)₃

Now, we can see from the above equation that Ce(IO₃)₃ and Ce³⁺ are in a ratio of 1:1.

Since the concentration of Ce(IO₃)₃ is 1.85×10⁻³ M. Thus, the concentration of Ce³⁺ is also 1.85×10⁻³ M

Finally, we can determine the solubility product (Ksp). This is illustarted below:

Ce(IO₃)₃(aq) <==> Ce³⁺(aq) + 3IO₃⁻(aq)

Ksp = [Ce³⁺ ] × [Ce³⁺]³

Ksp = 1.85×10⁻³ × (5.55×10⁻³)³

Ksp = 3.16×10⁻¹⁰

Thus, we can conclude that the solubility product (Ksp) is 3.16×10⁻¹⁰

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Answer:

1, 2 & 3

Explanation:

. A chemist investigates the boiling point, melting point, and flammability

of a compound called acetone, a component of nail polish remover.

Which of these properties are physical properties and which are

chemical properties?

Physical ( boiling point and melting point ).

Chemical ( flammability )

Among the properties listed (melting point, flammability, and boiling point), only the flammability of acetone is a chemical property. The other properties (melting point and boiling point) are physical properties since they are associated with changes in state .

The correct option is 1 .

The melting point of a substance is the temperature at which it changes from a solid to a liquid state. This is a physical property because it does not involve a change in the chemical composition of the substance. However, acetone is a liquid at room temperature, and therefore, it does not have a well-defined melting point. It would vaporize (evaporate) instead of melting.

Flammability is a chemical property. It refers to the ability of a substance to undergo combustion when exposed to a flame or ignition source. It involves a chemical reaction, as the substance interacts with oxygen to produce heat and light.

The boiling point of a substance is the temperature at which it changes from a liquid to a gas state. This is a physical property, similar to the melting point, as it does not involve a change in the chemical composition of the substance.

Hence , 1  is the correct option

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Answer:

Element is chemically active in between Sodium and Neon is explained below in details.

Explanation:

Electrons revolve the electron in "cases" (power levels), and only a specific quantity of electrons can survive in each case. ... For example, Sodium has one valence electron, Neon has eight valence electrons, and Chlorine has seven valence electrons. The quantity of valence electrons an atom has concluded its reactivity.

P1V1T1=P2V2T2 Add 273 to convert degrees Celsius to Kelvin:

∴200×25/298=250×V2/273, ∴V2=200×25×273/298×250, ∴V2=18.32L

The basic formula for volume is length, breadth, and height, as opposed to length, width, and height for the area of a rectangular shape. The calculation is unaffected by how you refer to the various dimensions; for instance, you can use "depth" instead of "height."

Volume, which is measured in cubic units, is the 3-dimensional space occupied by matter or encircled by a surface. The cubic meter (m3), a derived unit, is the SI unit of volume.

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A) The number of H₂O molecules in 0.23 moles is equal to 1.5 × 10²³.

B) The single displacement reaction is,

Ca + 2HCl →  CaCl₂ + H₂

C)  The double displacement reaction is,

Na₂SO₄ + 2NH₄Cl → 2NaCl  + (NH₄)₂SO₄

A displacement reaction is one in which a set of atoms in a molecule are replaced by another set of atoms.

When an element leaves its compound or when one element is replaced by another from its own compound, a single displacement reaction can be demonstrated as a type of redox reaction.

In aqueous solutions, double displacement reactions take place where ions precipitate and exchange ions.

Hydrogen gas and calcium chloride are produced in a single displacement reaction between calcium and HCl acid.

Ca + 2HCl →  CaCl₂ + H₂

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Answer:

magnesium nitride

Explanation:

Answer:

because the lighted splint is burnt and the water and carbon dioxide starts to explode

Answer:

B. Schleiden

Explanation:

i just took the test

Answer:hooke

Explanation:me when your mom

Glycerol (molar mass= 92.09g/mol) has an enthalpy of combustion of -1654 kJ/mol. The mass of glycerol is needed  is

Q water = mc ΔT

             = 500 × 4.184 × ( 100 - 20)

             = 167.36 kJ

Q glycerol = 167360 J = n ΔH

167360 = n × ( 1654)

n = 0.101 mol

mass = moles × molar mass

        = 0.101 × 92.09

        = 9.3 g

Thus, Glycerol (molar mass= 92.09g/mol) has an enthalpy of combustion of -1654 kJ/mol.  mass of glycerol is needed to raise the temp of 500 g water from 20 °C to 100 °C is 9.3 g.

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Answer:

A

Explanation:

the same as an electron

Answer:

thanks

Explanation:

u a real one 4 tht

Answer:

Higher pitched sounds produce waves which are closer together than for lower pitched sounds. (Think of the slinky - if you produce waves rapidly they will travel quite close to each other, thus demonstrating a higher pitched sound.)

The pitch of a note will depend on a number of factors. One of these is the size of the vibrating object. On a glockenspiel or xylophone the high notes are made by the smaller bars. A smaller triangle or cymbal will make a relatively higher pitch note. On a stringed instrument such as a guitar or violin a thinner string will generally make a higher note, but also shortening the string by stopping it with the finger will produce a similar effect. On a set of pan pipes or a church organ it is the shorter pipes which make the higher notes when the air inside them vibrates.

Another factor which produces higher pitched notes is the tension within the vibrating object. A guitar string can be tuned to a higher pitch by adjusting the string tensioner. An elastic band can be stretched tighter and a drum skin can be tensioned to increase the pitch of the sound it produces.

X-rays have the most energy, ultraviolet light has the shortest wavelength, and gamma rays have the highest frequency.

What is ultraviolet?
The wavelength of ultraviolet (UV) radiation ranges from 10 nanometers (nm; corresponding frequency: 30 PHz) to 400 nanometers (nm; corresponding frequency: 750 THz), which is shorter than the wavelength of visible light but longer than the wavelength of X-rays. Sunlight contains UV radiation, which makes up around 10% of the Sun's overall electromagnetic radiation output. Electric arcs and specialty lighting, such mercury-vapor lamps, tanning lamps, and black lights, can also produce it. Long-wavelength UV can trigger chemical reactions and make many things light or fluoresce even though it is not thought of as an ionising radiation since its photons lack the energy to ionise atoms.

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Answer:

Full answer in explanation

Explanation:

Hope this helps!

The major functional groups in eugenol can be identified based on the following infrared signals: hydroxyl group (OH) at 3200-3600 cm^-1, aromatic ring (C=C) at 1500-1600 cm^-1, alkene (C=C) at 1620-1680 cm^-1, and alkyl group (C-H) at 2800-3100 cm^-1.

Without access to the specific infrared spectrum of eugenol, we directly identify the signals for the major functional groups. However, some common functional groups present in eugenol and their corresponding infrared signals are:

Hydroxyl group (OH): Broad and strong peak around 3200-3600 cm^-1 (stretching vibration).

Aromatic ring (C=C): Sharp peak around 1500-1600 cm^-1 (stretching vibration).

Alkene (C=C): Sharp peak around 1620-1680 cm^-1 (stretching vibration).

Alkyl group (C-H): Various peaks around 2800-3100 cm^-1 (stretching vibration).

It's important to consult the specific infrared spectrum of eugenol to accurately identify the signals for the major functional groups based on the instrument used and any other factors specific to the experiment.

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The elements are

chlorine (Cl) oxygen (O) nitrogen (N)

Lithium (Li) | Li Cl₁ | Li₂ O₁ | Li₃ N₁

Magnesium (Mg) | Mg₁ Cl₂ | Mg O₂ | Mg₃ N₂

Aluminum (Al) | Al₃ Cl₃ | Al₂ O₃ | Al N₃

To obtain an electrically neutral compound, the total positive charge of cations (positively charged ions) in an ionic compound must equal the total negative charge of anions (negatively charged ions).

To balance the total charge, multiply the number of each ion times the charge on the ion by the least common multiple (LCM) of the charges.

In this table, we need to figure out how many positive and negative ions are needed to balance the charges of the specified ionic compounds. Part A of the issue allows us to calculate the charges of the ions.

As shown in the completed table above, we can determine the number of ions needed for the remaining compounds.

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The gas in the syringe must be heated to approximately 513.39 K in order to have a volume of 345 mL at 2.50 atm.

We'll use the Combined Gas Law to solve for the unknown temperature. The Combined Gas Law formula is:
(P1 * V1) / T1 = (P2 * V2) / T2
Where P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, and T1 and T2 are the initial and final temperatures.
Given:
P1 = 1.88 atm
V1 = 285 mL
T1 = 355 K
P2 = 2.50 atm
V2 = 345 mL
We need to solve for T2, the final temperature.
Rearranging the formula to solve for T2, we get:
T2 = (P2 * V2 * T1) / (P1 * V1)
Now, we can plug in the given values:
T2 = (2.50 atm * 345 mL * 355 K) / (1.88 atm * 285 mL)
T2 = (863.125 K) / (1.88 * 285)
T2 ≈ 513.39 K

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Answer: Magnet

Explanation:Using a magnet is the best separating technique to be deployed in this case. The nails are easily picked out by just holding a magnet over the sandbox.

Answer:

Q = 143,921 J = 143.9 kJ.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the absorbed heat by considering this is a process involving sensible heat associated to the vaporization of water, which is isothermic and isobaric; and thus, the heat of vaporization of water, with a value of about 2259.36 J/g, is used as shown below:

\(Q=m*\Delta _{vap}H\)

Thus, we plug in the mass and the aforementioned heat of vaporization of water to obtain the following:

\(Q=63.7g*2259.36J/g\\\\Q=143,921J=143.9kJ\)

Regards!

Answer:

The atoms of different elements vary in size and mass.

Explanation:

Answer:

see explanation below

Explanation:

Yes

Mg(NO3)2 + Na3PO4 => Mg3(PO4)2 + 3NaNO3

Magnesium phosphate, Mg3(PO4)2, is a white product that is insoluble in water. Sodium nitrate, NaNO3, is soluble in water making it clear solution.

Answer:

How do the formulas differ for molecular and ionic compounds? The formula for a molecular compound represents the atoms that make up one molecule of a compound. The formula for an ionic compound represents one formula unit of the compound. ... Put two electron between atoms to form a chemical bond.

Explanation: