How Many Atoms Of Carbon (C) Are Present In The Reactants Of The Following Chemical Equation?C7H16+O2CO2 (2024)

A truck at the top of a hill has the highest gravitational potential energy. So, the correct option is (a).

The energy that an item has or acquires when its location changes as a result of being in a gravitational field is known as gravitational potential energy. Gravitational potential energy can be defined as an energy that has a connection to gravitational force or gravity.

According to classical mechanics, the work per unit mass required to move an object from a set reference site to a given location is equal to the gravitational potential at that location. With mass assuming the function of charge, it is comparable to the electric potential.

Therefore, a truck at the top of a hill has the highest gravitational potential energy.

The complete question is: Which of the following has the highest gravitational potential energy?

a) a truck at the top of a hill

b) a bike speeding down a hill

c) a dog at the top of a hill

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The fraction of collisions at 298K are 7.14 x [tex]10^-^1^4[/tex]

Based on the collision theory, effective changes are only produced by a certain number of impacts between suitable reactant components with the right orientation; these successful transformations are referred to as successful fractions of collisions.

According to the collision theory, for a chemical interaction to take place, the reacting molecules must come into contact with one another. The frequency of collisions affects the reaction's rate. According to the idea, responding particles frequently encounter without reacting.

Given:

Ea = 75KJ/mol

R = 8.314J/molK

T = 298K

To find:

Fraction of collisions, f = ?

Formula:

Fraction of Collisions, [tex]f = e^\frac{-Ea}{RT}[/tex]

Calculations:

f = [tex]e ^ \frac{-75000}{8.314 * 298}[/tex]

f = 7.14 x [tex]10^-^1^4[/tex]

Result:

The fraction of collisions having sufficient energy are 7.14 x [tex]10^-^1^4[/tex].

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Explanation:

It drowns out some of the more delicate notes. It changes the flavour balance.

Hydrogen of mass of 2.625kg is required to produce 3.3kg of ammonia.

The mass of a physical body is a measure of its entire makeup. Inertia, or the body's opposition to acceleration when a cumulative force is applied, is also measured by this term. The strength of a body's gravitational pull on other bodies is also influenced by its mass. In an ionic crystal, formula mass is the total atomic mass of all the atoms that make up the formula unit. The amount of a material that is equivalent to its molecular mass in grams is referred to as its molar mass. Usually, It is measured in grams (g) or kilograms (kg).

Given:

Mass, m of [tex]NH_3[/tex] = 3.3kg

Molar mass, mm of [tex]NH_3[/tex] = 17g/mol

To find:

Mass of [tex]H_2[/tex] = ?

Reaction:

[tex]N_2 (g) + 3H_2 (g) \rightarrow 2NH_3 (g)[/tex]

Formula:

[tex]nNH_3[/tex] = mass/molar mass

moles of N, [tex]nN = \frac{nNH_3}{\% yield}[/tex]

moles of H = [tex]\frac{3}{2} nN[/tex]

mass of H = moles of H x molar mass of H

Calculations:

n = 3300 / 17

n = 194.12 mol

moles of N, nN = 194.12 / 0.224

nN = 866.61 mol

1 mol required [tex]\frac{3}{2}[/tex] mol [tex]NH_3[/tex]

moles of H, nH = [tex]\frac{3}{2} * 866.61[/tex]

nH = 1299.92 mol

mass of hydrogen, m = 1299.92 x 2.02

m = 2625.84g

m = 2.625kg

Result:

The mass of hydrogen required is 2.625kg.

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Knowledge of chemistry help you be a more informed citizen in many ways because it is the foundation of our world.

Chemistry and other scientific knowledge can help you assess the evidence offered, create an informed judgement, and take the necessary action.Our basic needs of food, clothes, shelter, health, energy, and pure air, water, and soil are all met by chemistry.It is beneficial to have some knowledge of chemistry because it gives a solid foundation for comprehending the physical universe in which we live. Everything is chemical, for better or worse.Chemistry knowledge is necessary to create synthetic materials, life-saving pharmaceuticals, and spacecraft.A fundamental understanding of chemistry is necessary before one can comprehend why an autumn leaf turns red, why a diamond is hard, or why soap makes us clean.

So,Society as we know it, has been greatly influenced by chemistry, from the creation of stronger materials for large-scale construction to the kind of cosmetics you use on a daily basis.

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The correct order of orbital filling according to Aufbau principle is

(a) 4s 4p 4d

According to the Aufbau principle, electrons must occupy all of an atom's accessible orbitals, working their way up from the lowest energy level to the highest, to ensure that both the electrons and the atom have the least amount of energy possible and are stable.

As a result, electrons begin to occupy orbits in increasing order of "n" value, starting with the first orbit (n = 1).

If any orbital's primary quantum number is "n,"

n2 is the number of orbitals, and 2n2 is the number of electrons in any n-shell.

The orbital's's' sub-orbital count is 1′. P is three, while D is five.

There can be a total of two electrons in each orbital 0f an atom

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The correct order to fill the orbitals according to the Aufbau's principle is:

(a) 4s 4p 4d

According to the Aufbau principle, electrons occupy all accessible orbitals of an atom, rising from the lowest energy level to the highest energy level so that both the electron and the atom are at the lowest possible energy and are stable you need to make sure that

As a result, electrons start occupying orbitals in order of increasing "n" value, starting with the first orbital (n=1).

If the first quantum number of the orbital is "n",

n2 is the number of orbitals and 2n2 is the number of electrons in each n shell.

The number of s orbitals in the orbital is 1'. P is 3 and D is 5. There can be a total of two electrons in each orbital of an atom.

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There are 2.05×[tex]10^{25}[/tex] titantium atoms in the cube.

How dense are atoms?

Electrons are present in atoms. True, a large portion of the mass of an atom is concentrated in its tiny nucleus, but this does not imply that the rest of the atom is empty. It rather implies that the rest of the atom has a low density.

STEP 1. Converting inches to cm

length in cm = 2.81 in*(2.54cm/1 in)

length in cm =7.1374

STEP 2: Determining mass of cube from the density

density = mass/volume

mass = density * volume

mass = 4.50 g/cm^2*(7.1374 cm) ^3

mass = 1635.18 g

STEP 3: Converting mass of titanium cube to number of atoms

no. of. Ti. atoms = 1636.18 g Ti * ( [tex]\frac{1 mol Ti}{47.867 g}[/tex]) ([tex]\frac{6.022*10^{23} atoms}{1 mol Ti}[/tex])

no. of. Ti. atoms = 2.058*10^25 atoms

Since the given values have 3 significant figures, the final answer must be:

no. of. Ti. atoms = 2.05*10^25 Ti atoms.

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Yes, the reaction occurs when aqueous solutions nickel(II) iodide.

What is aqueous solutions?

A solution in which the solvent is water is referred to as an aqueous solution. By adding (aq) to the appropriate chemical formula, it is typically shown in chemical equations. For instance, Na+(aq) + Cl might be used to represent a table salt solution (also known as sodium chloride, or NaCl) in water (aq). The word aqueous, which derives from the Latin word aqua, denotes being or consisting of water.

Water is a common solvent in chemistry since it works great as a solvent and is also readily available. The phrase "solution" often refers to an aqueous solution because water is frequently used as the solvent in experiments, unless otherwise stated.

The term "non-aqueous solution" refers to a solution in which the solvent is a liquid but not water.

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Answer:

Due to the fact that halogens have an outer shell made up of seven valence electrons, they frequently obtain an additional electron and a negative charge.

The number of Ti atoms will be 1.9×10^25 atoms of Ti

The contribution of atom per unit cell is 2( BCC)

Edge length of unit cell is given as 2.7 ×1 inch

we will convert it in cm so it becomes 6.93 cm

we have to calculate number of Ti atoms .we have to calculate number of Ti atoms .

Density of Ti is given as 4.50g/cm³

volume of unit cell= a³

(6.93)³= 340.68 cm³

Volume of unit cell will be 340.68cm³

we can calculate mass of unit cell

density=mass/volume

4.5= mass/ 340.68

mass= 1530

no of moles can be calculated as mass/molar mass

=32.02 moles

No of atom contained by 1 mole will be

32.02 × 6.022 × 10²³

=1.92 ×10^25

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There will be 1.92× 10²⁵ Ti atoms in the final product . It is a BCC type of unit cell and by using edge length and density of the cube, the number of titanium atoms in the unit cells can be calculated.

Two atoms contribute to each unit cell ( BCC)

The unit cell's edge length is specified as 2.7 1 inch.

We'll convert it to centimeters, making it 6.93 cm.

We must determine the quantity of Ti atoms

Ti has a density of 4.50g/cm3.

cell volume equals a³

(6.93)³= 340.68 cm³

The unit cell's volume will be 340.68 cm³

We can determine a unit cell's mass.

density=mass/volume

4.5= mass/ 340.68

mass= 1530

Mass/molar mass can be used to compute the number of moles.

=32.02 moles

The number of atoms in 1 mole will be

32.02 × 6.022 × 10²³

=1.92 ×10²⁵

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Atoms of sulfur two elements have a combined total of 16 proton.

Briefing :

A chemical element is sulfur. Each sulfur atom has 16 protons in its nucleus, as indicated by its atomic number of 16 and official symbol, S. The number of protons, positively charged nuclear particles, is represented by the atomic number Z. But Z determines an element's identity. If Z=1, the element is hydrogen; if Z=2, the element is helium; and if Z=16, the element is neon.

What is the element sulfur used for?

In addition to being a fungicide and an ingredient in black gunpowder, sulfur is used to vulcanize black rubber. However, the majority of sulfur is utilized in the creation of sulfuric acid, which is arguably the most significant chemical produced by western civilisations.

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The balanced chemical equation is [tex]Zn + 2HCl[/tex] → [tex]ZnCl_{2} + H_{2}[/tex] .

The given chemical equation [tex]Mg_{3} N_{2} + H_{2}O[/tex] → [tex]3MgO + 2NH_{3}[/tex] is not a balanced chemical equation because number of hydrogens and oxygens are not same on both sides. Balanced chemical equation for this reaction will be [tex]Mg_{3} N_{2} + 3H_{2} O[/tex] → [tex]3MgO + 2NH_{3}[/tex]..

The given chemical equation [tex]C_{3} H_{8} + 5O_{2}[/tex] → [tex]H_{2} O + 3CO_{2}[/tex] is not a balanced chemical equation because number of hydrogens and oxygens are not same on both sides. Balanced chemical equation for this reaction will be[tex]C_{3} H_{8} + 5O_{2}[/tex] → [tex]4H_{2} O + 3CO_{2}[/tex].

The given chemical equation [tex]Zn + 2HCl[/tex] → [tex]ZnCl_{2} + H_{2}[/tex] is already a balanced chemical equation.

The given chemical equation [tex]3H_{2} SO_{4} + 2Fe[/tex] → [tex]Fe_{2} (SO_{4} )_{3} + H_{2}[/tex] is not a balanced chemical equation because number of hydrogens are not same on both sides. Balanced chemical equation for this reaction will be [tex]3H_{2} SO_{4} + 2Fe[/tex] → [tex]Fe_{2} (SO_{4} )_{3} + 3H_{2}[/tex] .

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Answer:

The farmer places the wheat in the winnowing basket after flailing the grain. The threshing barn doors are opened on windy days. The farmer throws the grain into the air using the winnowing basket, where the wind removes the chaff.

Explanation:

Answer:

Cesium has smaller ionization energy

Explanation:

The molecular geometry is seesaw.

The molecule has the seesaw geometry when it has the central atom with four single bonds with other atoms and one lone pair of electrons (AX4E1 in AXE notation).

VSEPR theory (The Valence Shell Electron Pair Repulsion Theory) uses the AXE notation.

The seesaw geometry is similar to a trigonal bipyramid.

Difference is that in the seesaw geometry one of the atoms is replaced by a lone pair of electrons.

A lone pair of electrons in the seesaw geometry is always in an equatorial position (see the picture below).

Some examples of the molecules with seesaw geometry are sulfur tetrachloride (SF4) and sulfur tetrafluoride (SF4).

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The iupac name for the following compound is 3,5-dimethylheptanedioic acid

The worldwide organization that represents chemistry and allied disciplines and technology is called the International Union of Pure and Applied Chemistry (IUPAC).

The International Union of Pure and Applied Chemistry (IUPAC) is the foremost expert on chemical language and nomenclature, including the naming of new elements in the periodic table, standardized measurement techniques, atomic weights, and a wide range of other critically analyzed data.

A global standard for naming chemicals is to be established through the IUPAC system of nomenclature in order to improve communication. The system's objective is to assign each structure a distinct and clear name and to associate each name with a distinct and clear structure.

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Three samples of sodium chloride are analyzed and found to contain differing percent by mass of chlorine this indicates that only one solution has actual content of chlorine.

There may be differential volume of chlorine in sodium chloride solution in Nacl the mass percent of chlorine should be 60.8%.

With respect to 1 mole sodium chloride,

Mass of sodium in sodium chloride =23 g

Mass of chloride in sodium chloride =35.5 g

Total mass of sodium chloride =58.5 g

% of chlorine in NaCl =

58.5/35.5×100 = 60.85

​

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The third row element is phosphorus (P).

The ionization energy (Ei) is the minimum amount of energy required to remove the valence electron, when element lose electrons, oxidation number of element grows (oxidation process).

Nonmetals are far right in the main group and they have highest ionization energy, because they have many valence electrons.

Sixth ionization energy is much higher than fifth, atom has five valance electrons. Element in a third row tith five valence electrons is phosphorus.

Electron configuration for phosphorus: ₁₅P 1s² 2s² 2p⁶ 3s² 3p³.

Phosphorus lost five valence electron to form cation with stable electron configuration as noble gas neon (atomic number 10).

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The values of the Graduations for A , B and C will be 0.2 ml, 2ml and 1ml respectively.

Graduated Cylinder - A popular piece of scientific equipment used to measure the volume of a liquid is a graduated cylinder, sometimes referred to as a measuring cylinder or mixing cylinder. Its form is slender and cylindrical. Each marked line on the graduated cylinder indicates the volume of liquid that has been measured.

The clear graduated cylinder is widely used for volume measurements and is regarded to be more accurate than a beaker since it contains permanently marked incremental graduations.

To calculate the value of graduations-

1. Subtract the two values to get the value between the labeled graduations.

2. Determine how many spaces there are between the two graduations. Keep in mind that volume equals space.

3. Divide the number of gaps by the value between the graduations.

For cylinder A.

2 ml- 1ml = 1ml

Number of spaces = 5

∴1/ 5 = 0.2

Graduation = 0.2ml

For cylinder B -

20-10 = 10

number of spaces = 5

∴10/ 5 =2

Graduation = 2ml

For cylinder C-

10-5 = 5

Number of spaces= 5

∴5/5 = 1

Graduation = 1ml

Hence , Graduations for A , B and C will be 0.2 ml, 2ml and 1ml respectively.

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Your question is incomplete. Please find the missing image below.

Answer:

Alkynes

Explanation:

Alkynes are hydrocarbons which contain carbon-carbon triple bonds. Their general formula is CnH2n-2for molecules with one triple bond (and no rings). Alkynes undergo many of the same reactions as alkenes, but can react twice because of the presence of the two p-bonds in the triple bond.

The mass fraction of sodium chloride is 0.0625

What is the mass fraction of sodium chloride in the solution?

The mass fraction of sodium chloride is the ratio of the mass of sodium chloride to the total mass of the solution.

The mass fraction of sodium chloride is determined as follows;

mass of sodium chloride = 20 g

mass of water = volume* density

density of water = 1 g/mL

volume of water = 300 mL

mass of water = 300 mL * 1 g/mL

mass of water = 300 g

total mass of solution = 20 + 300 = 320 g

mass fraction of sodium chloride = 20/320

mass fraction of sodium chloride = 0.0625

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CaCl2 is the compound which is more likely to be ionic .

Ionic compounds: what makes them?

Ions, charged particles that develop when an atom (or group of atoms) gets or loses electrons, are the building blocks of ionic compounds. An anion is a negatively charged ion, whereas cations are positively charged ions. When two elements create molecules by a covalent link and share electrons, this results in covalent or molecular compounds.

When Cacl2 dissolve in aqueous solution it gives Ca+² and cl- ions.

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Answer:

the oil won't disolve in water because the oils resistance keeps it from not deforming

Answer:

Water and oil are incompatible. They are said to be inseparable. This is because water is a polar molecule, which means it has a positive charge on one end and a negative charge on the other.

Explanation:

In each question we need to balance the charge to get formula

[tex]Al(CN)_{3}[/tex]) Aluminum Cyanide

[tex]CaSO_{4}[/tex] Calcium Sulfate

[tex]LINO_{3}[/tex] Lithium Nitrate

[tex]NH_{4} CL[/tex] Ammonium Chloride

Ionic interaction is the attractive force between ions with opposite charges. Also called an ionic bond, it is the force that holds ionic compounds together. Like charges repel and opposite charges attract.

Intermolecular interactions occur between molecules or atoms that are not connected by bonds. Molecular interactions include cohesion (like-like attraction), adhesion (like-like attraction), and repulsion between molecules.

Divide the molar mass of the compound by the molar mass of the molecular formula. The result will be an integer or very close to an integer. Multiply all subscripts of the molecular formula by the integers found in step 2. The result is the sum formula

Hence, the result will be the sum formula

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The frequency released in transition energy is 4.57 x 10¹⁴ Hz.

We need to know about transition energy to solve this problem. Electrons in a hydrogen atom can move to another level of energy. It is also called a transition. In this process, electrons will absorb or release their energy to move. The transition energy can be determined as

ΔE = E2 - E1

where ΔE is transition energy, E2 is the final state of energy and E1 is the initial state of energy.

The state energy of a hydrogen atom can be calculated by

E = -(13.6) / n² eV

E = h.f

where n is the number of energy states, h is Planck constant (4.136 x 10¯¹⁵ eV/Hz), f is frequency.

From the question above, we know that

n1 = 3

n2 = 2

By substituting the following parameter, we get

ΔE = E2 - E1

ΔE = -(13.6) / n2² - (-(13.6) / n1²)

ΔE = -(13.6) / 3² - (-(13.6) / 2²)

ΔE = 3.4 - 1.51

ΔE = 1.89 eV

Calculate the frequency released

ΔE = 1.89 eV

h.f = 1.89

4.136 x 10¯¹⁵ . f = 1.89

f = 4.57 x 10¹⁴ Hz

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Answer:

d. Oxygen

Explanation:

- Water is not an element but a compound made of hydrogen and oxygen elements

- Air is a compound made of gases such as oxygen, nitrogen, rare gases and carbondioxide...

- Sugar is an organic compound (sucrose) made of carbonyl carbons and hydrocarbons

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Different substances are given as SO₂, HNO₃, BaCO₃, CO₂, Zn(NO₃)₂, H₃PO₄

KOH reacts with SO₂ at a lower temperature,

KOH + SO₂ → K₂ SO₃ + H₂ O

Nitric acid (an acid) and potassium hydroxide (a base) combine to form potassium nitrate (salt) and water.

KOH + HNO₃ → KNO₃ + H₂O

When substance potassium hydroxide and Barium carbonate,

KOH + BaCO₃ → K₂ CO₃ + Ba(OH)₂

Carbon dioxide and potassium hydroxide react to produce potassium carbonate and water. Carbon dioxide is taken out of the space station using potassium hydroxide.

KOH + CO₂ → K₂ CO₃ + H₂O

Potassium hydroxide reacts with zinc nitrate,

Zn(NO₃)₂ + KOH → Zn(OH)₂ + KNO₃

Potassium phosphate and water are created when potassium hydroxide and phosphoric acid combine.

KOH (aq) + H₃ PO₄ (aq) → K₃ PO₄ (aq) + H₂O (l)

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There will be 3 trichloro derivatives of cyclobutane , out of which two are Chiral and cyclopentane will consist of 7 trichloro derivatives out of which all are Chiral.

Those organic compounds which rotate the plane polarized light and having one C atom with 4 different atoms attached and having a symmetry element like plane of symmetry, line of symmetry and centre of symmetry are known as Chiral compounds while those who don't possess any symmetry element are called Achiral compounds . It doesnt rotate plane polarized light.

Trichloro derivative of cyclobutane and cyclopentane are shown in picture below in which molecules containing C atom having * symbol are chiral and rest are achiral.

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Cyclobutane will have three trichloro derivatives, two of which are chiral, and cyclopentane will have seven trichloro derivatives, all of which are achiral.

Organic compounds that have one C atom with four different atoms attached, rotate plane polarized light, and have a symmetry element like a plane of symmetry, line of symmetry, or center of symmetry are known as chiral compounds, whereas compounds without any symmetry element are known as achiral compounds. Light with a plane polarization is not rotated.

The image below shows the trichloro derivative of cyclobutane and cyclopentane, in which the molecules containing the C atom with the symbol * are chiral while the remaining molecules are achiral.

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