how many moles of carbon dioxide are generated when one mole of the compound shown is treated with warm, concentrated kmno4?

A total of 14 moles of NH3 are generated. The balanced chemical equation should be written first. Use the unitary technique to then resolve the issue. Using the following formula, the mass of ammonia is now determined.

On the other hand, problematic moles are asymmetrical, meaning that when cut in half, the two sides do not look the same. Borders of benign moles typically have a consistent circular shape.

It is unknown to investigators why moles suddenly appear in adults. Age, prescription drug use, sun exposure, sunburned skin and inherited anomalies are the main causes of the bulk of these benign ailments.

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Answer:

7ml/g

Explanation:

density=mass/volume

density=14g/2ml

density= 7g/ml

Answer:

carbon

Explanation:

Answer:

Carbon

Carbon is the second most common molecule in the human body

Answer:

bebe bebe bebe

Explanation:

Williamson ether synthesis would give a poor yield of product as the halide is on a 2° carbon. is true about the synthesis of 1-isopropoxy-1-methylcyclopentane.

The Williamson ether synthesis is a method for the synthesis of ethers using an alcohol and an alkyl halide. The reaction proceeds through a nucleophilic substitution mechanism and the ether product is obtained with the alcohol and halide groups in the anti-Markovnikov orientation. The reactivity of the alkyl halides used in this reaction follows the order: primary > secondary >> tertiary. Therefore, the reaction of a secondary halide such as 2° carbon halide will give a poor yield of product as the reactivity of 2° carbon halide is less compared to primary halide. As a result, the reaction is less efficient and the yield of the product is lower.

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Answer:

The correct answer is O=49.94 approx

Explanation:

To calculate the correct percent composition of (NH4)2CO3, first calculate the molar mass of the compound,

   Molar mass of N: 14.01 g/mol

   Molar mass of H: 1.01 g/mol

   Molar mass of C: 12.01 g/mol

   Molar mass of O: 16.00 g/mol

   Molar mass of (NH4)2CO3: (2 x 14.01 g/mol) + (8 x 1.01 g/mol) + 12.01 g/mol     + (3 x 16.00 g/mol) = 96.09 g/mol

Then we can calculate the percent composition of each element in (NH4)2CO3:

   Percent composition of N: (2 x 14.01 g/mol) / 96.09 g/mol x 100% = 29.14%

   Percent composition of H: (8 x 1.01 g/mol) / 96.09 g/mol x 100% = 8.41%

   Percent composition of C: 12.01 g/mol / 96.09 g/mol x 100% = 12.50%

   Percent composition of O: (3 x 16.00 g/mol) / 96.09 g/mol x 100% = 50.95%

Therefore, the correct percent composition for (NH4)2CO3 is:

   N = 29.14%

   H = 8.41%

   C = 12.50%

   O = 50.95%

Product prediction and solubility rules in the following chemical reactions

MgBr2 (aq) + Cl2 (g) → MgCl2 (aq) + Br2 (aq)

Reaction type: Substitution

2 Al (s) + Fe2O3 (s) → Al2O3 (s) + 2 Fe (s)

Reaction type: Redox

ZnCl2 + 2 AgNO3 → Zn(NO3)2 + 2 AgCl

Reaction type: Double substitution

H2SO4 (aq) + 2 NaOH (aq) → Na2SO4 (aq) + 2 H2O (l)

Reaction type: Neutralization

4 Al (s) + 3 O2 (g) → 2 Al2O3 (s)

Reaction type: Oxidation

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Answer:

The volume and density of the air in the balloon can change, therefore they need to use a rigid container such as plastic or metal to hold the air.

Explanation:

Answer:

Explanation:

Knowing what things are made of, especially in the case of a mixture whose constituents still retain there chemical properties, assists in knowing the beneficial and harmful effects of those things.

For a example, a body cream/lotion (a mixture) that contains hydroquinone will give an individual the idea that the body cream is a lightening cream; as hydroquinone is a depigmenting agent that reduces the production of melanin thereby leading to the lightening of the skin.

Another relevant example is the hand sanitizer that is recommended for use of cleaning of hands in order to rid the hands off of corona virus. The recommended hand sanitizer should be made of at least 60% ethanol for effective use (which dissolves the virus). Knowing the components of a sanitizer to be used against the virus will assist an individual at a store make informed decision about purchase.

Ionic bonds are created when two oppositely charged ions are attracted to one another by electrostatic force. A chemical element is uniquely defined by its atoms, which are tiny pieces of substance.

An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it. The positively charged, comparatively hefty protons and neutrons that make up the nucleus may be present. Any elementary particle of matter with at least one proton is referred to as an atom. Examples of atoms are neon (N) and hydrogen (H) (Ne). Chemistry's fundamental building component is an atom. It is the lowest fraction of substance into which electrically charged particles cannot be released. It is also the smallest piece of substance with chemical element-like characteristics.

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The volume required is 4.86 ml that would be required to react completely with 11.73 ml of 1.006 m ca(oh)2.

This can be calculated using:

3Ca(OH)2 (aq) + 2H3PO4 (aq) ---> Ca3(PO4)2 (s) + 6H2O (l)

moles of Ca(OH)2 present: 11.00 moles

moles of H3PO4 needed: 7.33 moles

volume (mls) of H3PO4 needed: 7.33/1.508 = 4.86

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Answer:

response variable is one

As you transitioned from a solid to liquid to gas, the speed of your particles increased, distance between them grew and their arrangement became more disordered.

If you were placed on a hot sidewalk, you would experience conduction as the heat transferred from surface to your body.

As a result, you would turn into liquid water, and particles in your structure would begin to move faster, increase distance between them, and become more disordered. This is because the added heat increases the energy in particles, causing them to break away from their frozen state and become more fluid.

If you were exposed to the sun or another heat source, you would experience radiation as energy in form of electromagnetic waves traveled through space and heated your body.

And as a result, you would turn into gas and particles in your structure would increase in speed, become more spaced apart, and become even more disordered. This is because additional energy from heat causes particles to move around more rapidly, leading to breakdown of any remaining structure.

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Answer:

classification of mixture​s will be:  solutions, suspensions, and colloids

Hopefully this helped

According to the chemical equation, two moles of O2 react with 1 mole of CH4, so the ratio is 2:1. This means if the reaction takes 12.0 moles of CH4, it would react with 24.0 moles of O2. As you can see, we just have 20.0 moles of O2, which means the limiting reactant is the oxygen because CH4 would have a reamining after the reaction.

Therefore, the answer is a. O2.

The unknown concentration of Ag can be calculated using the Nernst equation  is approximately 0.0712 M.

To calculate the unknown concentration of Ag, we can use the Nernst equation, which relates the potential of an electrochemical cell to the concentrations of the species involved. The given concentration cell can be represented as:

Ag | Ag (unknown concentration) || Ag (0.100 M) | Ag+

The Nernst equation for this cell is:

E = E° - (0.0592 V/n) * log(Q)

Where:

E is the measured potential (300 mV or 0.300 V)

E° is the standard potential (which is 0 V for this cell)

n is the number of electrons transferred (in this case, 1)

Q is the reaction quotient, which can be calculated as [Ag+]/[Ag]

Rearranging the equation and substituting the known values:

0.300 V = 0 V - (0.0592 V/1) * log([Ag+]/[Ag])

Simplifying the equation:

log([Ag+]/[Ag]) = -0.300 V / (-0.0592 V/1)

log([Ag+]/[Ag]) ≈ 5.07

Taking the antilog of both sides:

[Ag+]/[Ag] ≈ 10^5.07

[Ag+]/[Ag] ≈ 11220

[Ag+] ≈ 11220 * [Ag]

Given that [Ag] = 0.100 M:

[Ag+] ≈ 11220 * 0.100

[Ag+] ≈ 1122 M

Therefore, the approximate concentration of Ag is 0.0712 M.

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The molecule H₁₂O₆ does not exist in nature. The formula H₁₂O₆ suggests the presence of 12 hydrogen atoms and 6 oxygen atoms.

However, such a configuration is highly unstable and does not conform to the principles of chemical bonding and stability. In a typical molecule of water (H₂O), two hydrogen atoms are bonded to one oxygen atom. The Lewis structure for water would represent this bonding arrangement. Each hydrogen atom contributes one valence electron, and oxygen contributes six valence electrons.

The Lewis structure for water would show two lines (representing covalent bonds) connecting the oxygen atom to each hydrogen atom. Additionally, the oxygen atom would have two lone pairs of electrons (represented by dots) surrounding it. It is important to note that the Lewis structure represents the valence electron arrangement in a molecule and provides insight into its bonding and geometry.

However, the Lewis structure alone may not capture the full 3D shape and molecular properties. In the case of H₁₂O₆, the presence of 12 hydrogen atoms and 6 oxygen atoms is highly unlikely due to the unfavorable electron configuration and excessive charge repulsion.

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During replacement reaction cu(no3)2 and zn; Zn(NO3)2 + Cu are produced.

One element in a compound is replaced by another in a chemical reaction known as a single-displacement reaction, sometimes referred to as a single replacement reaction or exchange reaction.

An exchange of ions between the two reacting chemicals to create new compounds that are distinct from the two reacting compounds is known as a double displacement reaction. The following is an example:

XB + AY = XY + AB

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The measured quantity 0.0105 L has three significant figures. Significant figures are the digits in a measurement that convey precision, excluding leading zeros and trailing zeros without a decimal point.

In the measured quantity 0.0105 L, there are three significant figures. Significant figures are the digits in a measurement that indicate the precision and reliability of the value. The general rule for determining significant figures is as follows:

1. Non-zero digits are always significant. In this case, the digits "1", "0", and "5" are all non-zero and therefore significant.

2. Leading zeros (zeros at the beginning of a number) are not significant; they act as placeholders. In this measurement, the leading zero before the decimal point is not considered significant.

3. Zeros between significant digits are significant. There are no zeros between the significant digits "1", "0", and "5" in this case.

4. Trailing zeros (zeros at the end of a number) after a decimal point are significant. In this measurement, the trailing zero after the "5" is significant.

By applying these rules, we can determine that the measured quantity of 0.0105 L has three significant figures, representing the precision of the measurement to the hundredth place.

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The volume of the gas at 1.50 atm and 20.0°C is approximately B, 120 L.

To solve this problem, use the combined gas law formula:

(P₁ * V₁) / (T₁) = (P₂ * V₂) / (T₂)

Where:

P₁ and P₂ = initial and final pressures,

V₁ and V₂ = initial and final volumes,

and T₁ and T₂ = initial and final temperatures.

Given:

P₁ = 1.20 atm

V₁ = 150.0 L

T₁ = 25°C = 25 + 273.15 K

Find V₂ when:

P₂ = 1.50 atm

T₂ = 20.0°C = 20 + 273.15 K

Plugging in the values into the formula:

(1.20 atm × 150.0 L) / (25 + 273.15 K) = (1.50 atm × V₂) / (20 + 273.15 K)

Simplifying the equation:

180.0 atm × K = 1.50 atm × V₂

V₂ = (180.0 atm × K) / (1.50 atm)

V₂ ≈ 120 L

Therefore, the volume of the gas at 1.50 atm and 20.0°C is approximately 120 L.

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The dewpoint will be \(3.4^{0} C\) when the dry bulb temperature is 20°C and the relative humidity is 17%.

Under constant air pressure as well as water content, the dew point is just the temperature at which air must be chilled to be saturated with water vapor. Moisture capacity is lowered when temperatures fall below the dew point, and airborne water vapor condenses to produce liquid water termed dew.

The dew point can be calculated by using the formula:

Td = T - (100- RH) / 5

where, Td is dew point.

Calculation of dewpoint is shown as:

Now, put the value of given data in dew points formula:

Td = 20 -(100- 17) / 5

Td = 20 -(83) / 5

Td = 20-16.6

Td = 3.4\(3.4^{0} C\)

Therefore, the dewpoint will be 3.4\(3.4^{0} C\).

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Genetic disorders that are extremally dehabilitating

For this reaction: ΔG⁰>0.

Balanced chemical reaction A(g) ⇌ (g)

ΔG° indicates that all reactants and products are in their standard states.

ΔG° = R·T·lnK.

ΔG° is Gibbs free energy

T is the temperature on the Kelvin scale

R is the ideal gas constant

The equilibrium constant (K) is the ratio of the partial pressures or the concentrations of products to reactants.

Gibbs free energy (G) determines if reaction will proceed spontaneously, nonspontaneously or in equilibrium processes.

If K < 1, than ΔG° > 0.

Reactants (in this example A) are favored over products (in this example B) at equilibrium.

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The form of radioactivity that penetrates matter the least is alpha radiation. Alpha particles are essentially helium nuclei that consist of two protons and two neutrons. They are the heaviest and slowest-moving particles among the three main types of radiation (alpha, beta, and gamma).

Alpha particles can only travel a short distance in the air, and they are easily stopped by even a piece of paper. This is because they have a high ionization potential and lose energy rapidly as they collide with atoms and molecules in the matter they pass through.

However, they can be dangerous if they are ingested or inhaled, as they can damage living tissues and cause harm to internal organs. Therefore, precautions should be taken when handling alpha-emitting materials, such as wearing protective clothing and using appropriate shielding to prevent exposure to alpha particles.

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A 20.0-liter flask contains a mixture of argon at 0.72 atmosphere and oxygen at 1.65 atmospheres. The total pressure in the flask is 2.37 atm.

The macroscopic characteristics of ideal gases are related by the ideal gas law (PV = nRT). A gas is considered to be perfect if its particles (a) do not interact with one another and (b) occupy no space (have no volume).

The partial pressures of the gases in a mixture of gases are added to determine the total pressure in the flask. This is the partial pressures law of Dalton.

The total pressure of the gases = P1+P2+P3+..Pn=\(P_{total}\)

Therefore, in the given scenario, the flask's total pressure will be equal to 0.72+1.65 = 2.37 atm. Therefore, when a 20.0-liter flask includes a mixture of argon at 0.72 atmospheres and oxygen at 1.65 atmospheres, the total pressure in the flask is 2.37 atm.

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Answer:

Now, the molar solubility of lead(II) phosphate in water is said to be equal to 6.2⋅10−12mol L−1 . This means that in one liter of water, presumably at room temperature, you can only hope to dissolve 6.2⋅10−12 moles of lead(II) phosphate.

Explanation:

Hope this helps!!

Answer:

\(c. {k}^{1+} \)

Explanation:

Because the charge of K is 1+ and the charge of F is 1-.

Cation is positively charged ion therefore

\( {k}^{ 1 + } \)

is the Cation in KF

Option C is correct. The cation in KF will be K¹⁺

Cation: It is defined as the species or ions which carry positive charges. For example: Na⁺, Ca²⁺, NH⁴⁺, etc.

Potassium fluoride: Potassium fluoride is the chemical compound having chemical formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing in chemistry. It is an alkali halide and it occurs naturally as the rare mineral carobbiite.

KHF₂ → KF +HF

The cation in KF will be K¹⁺. Because the charge of K is 1⁺and the charge of F is 1⁻.

Cation is positively charged ion therefore, K¹⁺is the Cation in KF

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