How many hydrogen atoms are in 1 mg of aspartame?

Considering the definition of molar mass,  the mass in 2.6 moles of C₈H₁₂ is 0.2808 kg.

The molar mass of an atom or molecule is the mass of one mole of that particle expressed in grams.

The molar mass of a compound is the sum of the molar mass of the elements that form it multiplied by the number of times they appear in the compound.

Being the molar mass of C₈H₁₂ 108 g/mole, you can apply the following rule of three: If by definition of molar mass 1 mole of the compound contains 108 grams, 2.6 moles of the compound contains how much mass?

mass= (2.6 moles× 108 grams)÷ 1 mole

mass= 280.8 grams= 0.2808 kg (being 1000 gr= 1 kg)

Finally, the mass is 0.2808 kg.

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in the given following elements when the central atom could exhibit sp 3 d 2 hybridization , Sulphur(S)  can exhibit the asked configuration.

Z=16  for Sulphur

Electronic configuration [tex]1S^{2} 2S^{2} 2P^{6} 3S^{2} 3P^{2} 3D^{0}4S^{0}[/tex]   here we can clearly see that the energy difference between the 3p and 3d shell is very so sulphur can exhibit the asked configuration.

Z=6 for Carbon C - [tex]1S^{2} 2S^{2} 2P^{2}[/tex]

Z=7 for Nitrogen N- [tex]1S^{2} 2S^{2} 2P^{3}[/tex]

Z=5 for Boron B- [tex]1S^{2} 2S^{2} 2P^{1}[/tex]

Here we can clearly see that the atom is very small d the shell is not present in the configuration above also the energy difference between the shells will be high as they are close to the nucleus hence the asked configuration can not be exhibited.

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Thermodynamic data is data that relates to the physical properties of a system related to temperature, pressure, and energy.

What is  Thermodynamic data?

Thermodynamic data is data that describes the physical properties of a material system in terms of temperature, pressure, and other thermodynamic variables. It is used to predict the behavior of materials in different conditions and to analyze processes such as heat transfer or chemical reactions. It is also used to design and optimize energy systems, such as engines and power plants.

The standard change in entropy when one mole of sodium nitrate is dissolved in water is:

ΔS° = S° (products) - S° (reactants)

ΔS° = (60.25 + 146.4) - 116.3 = 90.3 J/K•mol

The solubility of sodium nitrate will increase if the temperature of the system is increased.

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Answer:

Francium

Hope this helps :)

The assumed or arbitrary molarity of anions in the chemist's solution is found out to be 2.17 M.

Since neither the mass of magnesium bromide  and the volume of the volumetric flask are not given, one can assume arbitrary values and you could modify them whenever you want, thus, let 50.0g of magnesium bromide to be the measured out amount of solute and a 250-mL volumetric flask where the solution is prepared, so the final volume of the solution is 250 mL after the addition of distilled water. In this manner, the bromide anions moles, taking into account there are two bromide moles per magnesium bromide moles giving the value of 0.543 mols.

The molarity can be calculated as follows:

M= 0.543 mol Br-/0.250 L= 2.17 M

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C14 have 8 neutrons, because C have 6 atomic number and it have 14 atomic mas , where atomic mass is total of proton and neutron so the neutron of C14 is 8.

It is commonly known that Carbon-14 is an isotope of carbon. It is also known as a neutral atom. Additionally, the ratio of neutrons to protons varies among different isotopes.

The total number of protons that make up an atom's nucleus is represented by the atomic number of that atom, as is well known. We know that carbon has an atomic number of 6, a mass number of 14. It is common knowledge that mass is the product of protons and neutrons. There will thus be = 14 - 6 = 8 neutrons.

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With 3.11 grams of sodium chloride we should start to make an aqueous solution of 50. 0 gm.

When water is used as a solvent then the solution is called the aqueous solution. Water is a good solvent which is naturally abundant and in chemistry, the word "solution" refers to the aqueous solution unless the solvent is specified. It is denoted by "aq".

Mass of aqueous solution = 50 gm

Mass percentage of sodium chloride = 6.213%

Let the mass of sodium chloride is N grams, then,

N = (50/100) × 6.213 gm

N = 0.5 × 6.213

N = 3.11 grams

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Andrea Ghez's favorite star is known as SO-2 and it is her favorite star because this star goes around the universe in a short period. I do not have a favorite star because I do not know a lot about stars.

Andrea Ghez is female astrophysicst who was born in the United States known for being one of the few women in the world who have gotten the Nobel Prize in Physics. During her life, Andrea has studied the center of the universe, black holes and the stars. Moreover, she was known for giving a TED talk in whiich she explained about stars and black holes.

In the TED talk given by Andrea Ghez she mentions her favorite star is the  SO-2 as "it goes around in only 15 years".

I do not have a favorite star because I do not know a lot about stars, although I believe studying them is very interesting.

Note: This question is incomplete; here is the missin information:

TED Talk- Andrea Ghez

"Now, most astronomers have a favorite star, and mine today is a star that's labeled up there, SO-2. Absolutely my favorite star in the world. And that's because it goes around in only 15 years. And to give you a sense of how short that is, the sun takes 200 million years to go around the center of the galaxy"

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Answer:

it is 1 mole of I is correct

The major organic product of this reaction is 2-bromobutane, a saturated hydrocarbon with a bromine atom attached to the second carbon atom.

The major organic product is 2-bromobutane.

Structure:

CH3 CH2 CH2 CH2 Br

    |   |   |

    CH3 CH2 Br

1) The reaction begins with bromine reacting with the 2-methylpropane molecule to form the intermediate 2-bromo-2-methylpropane.

2) The intermediate then reacts with hydroxide ions to form the final product, 2-bromobutane.

3) The final product is a saturated hydrocarbon with a bromine atom attached to the second carbon atom.

The major organic product of this reaction is 2-bromobutane, a saturated hydrocarbon with a bromine atom attached to the second carbon atom.

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The amount of titanium-44 remaining will be 1/4 of the original amount, or 0.150 g.

Amount is a quantity or magnitude of something, typically money. For example, a person may refer to the "amount of money" they have saved, the "amount of time" it takes to do something, or the "amount of food" they have purchased. Amount can also refer to the total number of something, such as the "amount of people" who have attended an event or the "amount of work" that needs to be done.

The half-life of titanium-44 is 60.0 y, meaning that after every 60.0 y, the amount of titanium-44 will be halved.
0.600 g - 0.150 g = 0.450 g

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The final concentration of the mixture depends on the value of x.

Value is the worth of something. It can refer to the monetary worth of an item or service, the usefulness of something, or the importance of an idea, belief, or experience. Value is a subjective concept and can vary from person to person. Generally, it is the positive attributes that an individual or group associates with something that determines its value. The economic concept of value is based on the idea that the value of a good or service is determined by its cost, supply, and demand.

The final concentration of the mixture is equal to:
(200 mL x 10%) + (x mL x 40%) / (200 mL + x mL)

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The weight of the book in kilograms is 0.498Kg.

A body's bulk is an innate characteristic. It was widely believed to be related to the volume of matter in a physical body prior to the discovery of the atom and particle physics.

You can work on a level surface provided by the book.

will eventually add more weights. It is distinctive in its own way. The mass must be measured.

the account balance to 0 the scale with the book on it. Weigh the object down to the nearest gram (1 g). 498g In this experiment, all masses will be measured in kilograms. the books weigh 0.498 kg in kilograms.

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The concentration of the standard solution (in M) if 15 mL of a 0.2512 M Co(NO3)2 stock solution is added to a 50 mL volumetric flask and diluted to the mark is  0.07536M.

Given volume of Co(NO3)2 stock solution (V1) = 15mL =0.015L

Concentration of Co(NO3)2 stock solution is (M1) = 0.2512M

Volume of  volumetric flask (V2) = 50mL = 0.050L

Concentration of standard solution = M2

The number of moles of solute divided by the number of liters of solution is the definition of molarity, a concentration unit in chemistry.

We know that M1V1 = M2V2. Such that,

0.2512 x 0.015 = M2 x 0.050

M2 = 0.07536M

Hence the required concentration of standard solution is  0.07536M

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The solubility of a compound in water is determined by the type of chemical bonds present in the compound and the polarity of the molecule. Thus option B is the correct answer.

Compounds that are polar and have hydrogen bonding capability are more likely to be soluble in water.

In this case, Propanol (CH3CH2CH2OH) has a polar -OH group, which makes it able to form hydrogen bonds with water molecules, and therefore it would be more soluble in water than the other two compounds.

The other two compounds, CH3CH2OH (Ethanol) and CH3OCH2CH3 (Dimethyl ether), also have polar groups, but propanol has the most polar -OH group which is why it would be the most soluble in water.

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The three missing elements in the periodic table are gallium, germanium and scandium.

Gallium, germanium, and scandium have been all unknown in 1871, however, Mendeleev left areas for every and expected their atomic loads and different chemical properties. Within 15 years, the “lacking” factors have been discovered, conforming to the simple traits Mendeleev had recorded. Scientists in Japan suppose they have eventually created the elusive detail 113, one of the lacking gadgets at the periodic table of factors. Element 113 is an atom with 113 protons in its nucleus — a kind of depend that should be created inner a laboratory as it isn't always located evidently on Earth.

The elements are gallium, germanium and scandium.

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Based on concepts you learned in the lesson, Barrett who says he can’t wait until we discover element 120 in our environment is correct because we discover new elements everyday.

This is referred to as a chemical substance that cannot be broken down into other substances and examples include sodium , hydrogen etc.

We can infer from this argument that Barrett is correct because new elements are being discovered by scientists from time to time so it is false to say they won't be discovered anymore,.

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The molecular formula of a compound whose empirical formula is CH4 and has a molar mass is 32. 086 g/mole is C

The molecular formula of a compound is the actual number and types of atoms that make up a molecule. It gives the exact number of atoms of each element in a molecule.

On the other hand, the empirical formula of a compound represents the simplest whole number ratio of atoms that make up a compound. It gives the lowest whole number ratio of atoms of each element in a molecule.

Multiply the subscripts in the empirical formula by a factor needed to reach the molar mass of the compound. In this case, CH4 has a molar mass of 16.04 g/mol and the compound has a molar mass of 32.086 g/mol.

32.086 g/mol/16.04 = 2

Multiplying the subscripts by 2, the molecular formula of the compound is C2H8.

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The propensity of an atom of a certain chemical element to draw shared electrons when forming a chemical bond is known as electronegativity and is denoted by the symbol X.

The atomic number and the separation of the valence electrons from the charged nucleus have an impact on an atom's electronegativity. An atom or a substituent group will draw electrons in greater amounts the higher the associated electronegativity. The sign and amplitude of a bond's chemical polarity, which characterizes a bond along the continuous scale from covalent to ionic bonding, can be quantitatively estimated using electronegativity. The inverse of electronegativity is electropositivity, which describes an element's propensity to accept valence electrons.

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the hybridization of the sulfur atom change in the series SF2, SF4, SF6-Option 1 - sp, sp^3, sp^3 d^2 O sp^3, sp^3 d^2

The hybridization of the sulfur atom changes in the series SF2, SF4, SF6 as follows:

In SF2, the sulfur atom is in the sp hybridized state, meaning it has one s and one p orbital in its valence shell. This allows the sulfur to form a double bond with one fluorine atom.In SF4, the sulfur atom is sp3 hybridized, which means it has one s and three p orbitals in its valence shell. This allows the sulfur to form four single bonds with four fluorine atoms.In SF6, the sulfur atom is sp3d2 hybridized, which means it has one s, three p, and two d orbitals in its valence shell. This allows the sulfur to form six single bonds with six fluorine atoms.It is worth noting that the hybridization of the sulfur atom in SF6 is not very common and it is more likely the octahedral electron pair geometry of SF6 is achieved by the d orbitals of sulfur being empty and the sulfur atom being sp3 hybridized. In summary, the hybridization of sulfur in SF2 is sp, in SF4 is sp3, and in SF6 is sp3d2.

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The volume of nitrogen produced from the reaction of 6.8 L of carbon monoxide is 3.7 L

In order to determine the volume of nitrogen produced from the reaction of 6.8 L of carbon monoxide, we need to use the balanced equation for the reaction:

2CO(g) + 2NO(g) -> N2(g) + 2CO2(g)

From the equation, we can see that for every 2 moles of CO that react, 1 mole of N2 is produced. The volume of a gas is directly proportional to the number of moles of the gas present.

If the initial volume of CO is 6.8 L, we can assume that the number of moles of CO is

6.8 L / 24.45 L/mol = 0.278 mol.

Therefore, the number of moles of N2 produced would be

0.278 mol CO * (1 mol N2 / 2 mol CO) = 0.139 mol N2.

Finally, using the ideal gas law PV = nRT (where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature), we can calculate the volume of N2 produced:

V = nRT / P

V = 0.139 mol N2 * (8.314 J/mol*K) * (273 K) / (1 atm) = 3.7 L

So, the volume of nitrogen produced from the reaction of 6.8 L of carbon monoxide is 3.7 L.

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In the molecule C2H4, valence orbitals of the carbon atoms are assumed to be e) sp^2 hybridized.

The set of orbitals that can energetically accept electrons to create chemical bonds is known as the valence shell. The ns and np orbitals in the outermost electron shell make form the valence shell for main-group elements.

The outside electrons engaged in bonding are called valence electrons. A particular atom can have 0 to 7 valance electrons since valance electrons can only exist in the s and p orbitals. Noble gases are atoms that have no valence electrons and dislike forming bonds.

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The supplied statement indicates that the compound's molecular formula is (CH)ₙ = CH₆ = C₆H₆

Fuel cells may produce energy, power, and heat using hydrogen. The two industries where hydrogen is now most widely employed are urea manufacturing and petroleum refining, with the developing markets of utilities and transportation.

The lowest half figure ratio of a compound is revealed by the empirical formula for that molecule.

Empirical weight formula: 12 + 1 Equals 13.

Molecular weight = 78

n = Molecular weight/Empirical formula weight

n = 78.12/13

n = 6.00

Molecular formula = (CH)ₙ = CH₆ = C₆H₆

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Electron geometry is trigonal bipyramidal. Molecular geometry is T-shaped for iodine trifluoride, IF3.

Trifluoroiodine, often known as iodine trifluoride, has the chemical formula IF3. It is an unstable interhalogen chemical molecule. It has a yellow solid appearance and easily breaks down at temperatures higher than -28°C. Because of IF3's fragility, it is mostly unknown and undiscussed in the scientific community.In light of all of the aforementioned information, this article provides you with a basic introduction to IF3, covering topics such as how to draw its Lewis structure, molecular geometry, or shape of IF3, electron geometry, bond angle, hybridization, polar or non-polar nature, and/or any formal charges present on IF3 atoms.

Complete question:6. What are the electron and molecular geometries, respectively, for iodine trifluoride, IF3?

A. Electron geometry is trigonal bipyramidal.Molecular geometry is T-shaped.

B. Electron geometry is octahedral.Molecular geometry is T-shaped.

C. Electron geometry is trigonal bipyramidal.Molecular geometry is trigonal planar.

D. Electron geometry is trigonal planar.Molecular geometry is trigonal bipyramidal.

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Answer:

The electron geometry of IF3 is trigonal bipyramidal. But the molecular shape of IF3 is T-shaped. The bond angles formed between each atom are close to 90 degrees.

Explanation:

Students can learn about the impact of both the design and the paper by working with the same layout. Students can learn about causality in design by replicating it and seeing its effects firsthand. The pupils won't get the full benefit of the paper unless they all follow the same format. There is no need for uniformity in airplane design since pupils will not be comparing the performance of different planes.

For the first test, students conduct an experiment to evaluate whether or not different types of paper affect the airplane's range of flight. Therefore, in the first experiment, the distance the paper travels after being thrown is the dependent variable and the type of paper is the independent variable.

The airplane's design is kept constant so that any differences in flight distance can be attributed to variations in the paper used in the experiment.

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The amide group in salicylamide is electron withdrawing, the hydroxyl group on the ring is a highly active, electron donating substituent. The hydroxyl group donates electrons, guided entry iodide to a para position.

A substituent is an atom that are substituted for an atom here on parent chain of such a hydrocarbon in both chemistry and biochemistry constituting a moiety of the resulting new molecule.

Alkyl groups are substitutes created from alkanes. The names of alkyl groups and unbranched alkane chains are similar. Alkyl groups may branch as well. For instance, the butyl substituent has three constitutional isomers.

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Answer: Correct option is B . calcium and iron  decrease the absorption of lead in the body.

Explanation: calcium and iron  decrease the absorption of lead in the body without affecting its solubility,probably by competing for shared absorptive receptors in the intestinal mucosa. The total body burden of lead does not affect lead absorption. Thus, lead does not have a feedback mechanism which limits absorption.

The net charge at pH=7. The pKa values given in the table above will term is referred as neutral.

At pH = 7, the solution is considered neutral, which means that the concentration of H+ ions is equal to the concentration of OH- ions, i.e [H+] = [OH-] = 10^-7 M.

To estimate the net charge at pH = 7, you would need to know the pKa values of the acid and the species present in the solution.  It is important to note that the net charge at pH 7 will depend on the acid and species present in the solution, and the pKa values given for that specific acid. In a neutral solution, the pH is equal to 7, which means that the concentration of H+ ions is equal to the concentration of OH- ions. Since the pH is neutral, this means that the solution has no net charge. Neutral solutions contain equal concentrations of positive and negative ions, thus the net charge is zero.

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The volume of gas produced by six tablets would be twice the volume produced by three tablets, or 600 cm³ x 2 = 1200 cm³.

Until they are enclosed in a container, gases lack a definite shape or volume. Gases can expand and contract as they are forced into various container sizes and shapes because of the way their molecules spread out and move randomly.

The volume of the container in which a gas is contained can be used to define the volume of the gas itself.

The volume of a gas reduces as the molecules are crammed closer together when it is compressed. A gas's volume rises when it expands.

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Answer:

1200 cm³.

Explanation:

Proton number is called atomic number.

The chemical element's atomic number, also referred to as the nuclear charge number, is determined by the charge number of an atomic nucleus. This is the quantity of protons in the nucleus of each of that element's atoms. The atomic number refers to the number of protons in the nucleus of an atom. The amount of protons in an element determines what kind of element it is.

Both protons and electrons are equal in number in a neutral atom. The mass of an atom, represented by the letter M, is equal to the total of its protons and neutrons in the nucleus.

The number of protons in the atom's nucleus is therefore equal to the atomic number (Z). in an uncharged atom.

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