why does water mix quickly in some cases

What statement about a concentration cell best represents it when the solutions for each compartment is 0.50 m The cell potential is zero.

The potential difference between the electrodes of an electrochemical cell, which results from the flow of electrons through an unbalanced cell's external circuit, is known as the cell potential.

The normal cell potential, also called the standard electrode potential, belongs to a class of potentials. The potential difference in between cathode and anode is what determines a cell's inherent potential. At 298 K, 1 atm, and 1 M solutions, all standard possibilities are measured.

To know more about cell potential  visit:

https://brainly.com/question/1313684

#SPJ4

The mass of Ce(NO3)₄ that will be needed to create the solution was 24.16 g (in grams).

A homogenous mixture with one or even more solutes that have been dissolved in the solvent is known as a solution. The material that a solute dissolves in to create a homogenous mixture is known as a solvent. To create a homogenous mixture, a component must dissolve in a solvent.

One nanometer or smaller particles are referred to as a solution in a homogeneous mixture made up of two or more components. There are many different types of solutions, including sugar and salt solutions and fizzy water. Each component shows up as a different phase in a solution.

Mole of Ce(NO₃)₄ = 0.06225 mole

Molar of Ce(NO₃)₄ = 140.12 + 4[14 + (16×3)]

= 140.12 + 4[14 + 48]

= 140.12 + 4[62]

= 140.12 + 248

= 388.12 g/mol

Mass of Ce(NO₃)₄ = 0.06225 × 388.12

Mass of Ce(NO₃)₄ = 24.16 g

To know more about solution visit:

https://brainly.com/question/1616939

#SPJ4

Answer: Nomenclature is a system for giving names to things within a particular profession or field. For instance, you may have heard of binomial nomenclature in biology class. It refers to the way of referring to living things by two names, like calling humans Homo sapiens.

Explanation:

Nomenclature means choosing names for different science-related objects. Chemical compounds usually have a specific name, and a systematic name.

The nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). In this nomenclature system, organic compounds are named with the use of functional groups as the prefix or suffix to the parent compounds name.

IUPAC nomenclature is based on naming a molecule's longest chain of carbons connected by single bonds, whether in a continuous chain or in a ring. A primary suffix is always added to the word root to indicate whether the carbon chain is saturated or unsaturated. A secondary suffix is always added to the primary suffix to indicate the nature and the functional group in the organic compound.

to learn more about nomenclature:

https://brainly.com/question/28006994

The energy produced when two gaseous ions with opposing charges combine to form an ionic solid is referred to as lattice energy. An exothermic reaction occurs when the two ions attract one another, releasing energy. Coulomb's law is widely used to lattice energy, which can be fairly complex.

Lattice energy, according to the alternative definition, is the energy released during the opposing process of gaseous ions joining together to create an ionic solid. This process will always be exothermic, as suggested by the definition, and as a result, the lattice energy value will be negative. With more ion charge and shorter distances, lattice energy rises. More specifically, it rises through periods from left to right and from bottom to top for groups.

To learn more about Lattice energy, follow the below link:

https://brainly.com/question/13169815

#SPJ4

Structure and the reaction is in the attached photo.

Amides, RCONR'2, can be reduced to the amine, RCH2NR'2 by conversion of the C=O to -CH2-. Amides can be reduced by LiAlH4 but not the with the less reactive NaBH4. Some of the reagents are LiAlH4  / ether solvent, followed by water.

This reduction reaction is different from the different to that of other C=O compounds which reduce to alcohols like in esters.

Lithium aluminium hydride (LiAlH4) and sodium borohydride are the two most frequent sources of the hydride nucleophile (NaBH4).

The presence of a polar metal-hydrogen bond in these reagents acts as a source of hydride rather than the hydride anion, which is absent during this reaction. Since the Al-H bond in LiAlH4 is more polar and aluminium is less electronegative than boron, LiAlH4 is a more potent reducer.

To know more about Lithium aluminium hydride here

https://brainly.com/question/17126469

#SPJ4

Option ( a) is correct. The chemical formula for dinitrogen trisulfide is N2S3 in which N  stands for nitrogen and S stands for Sulphur.

The chemical compound dinitrogen trisulfide has the formula N2O3. It is one of the simple nitrogen oxides. It forms upon mixing equal parts of nitric oxide and nitrogen dioxide . Based on its name, it will contain 2 Nitrogen (N) atoms because it has a prefix of di and 3 Sulfur (S) atoms because it has a prefix of tri. The common name for the compound N2S3 is dinitrogen trisulfide. According to Pauling Electronegativity values, nitrogen has a greater value that of N equals to 3.0 than Sulphur that equals to 2.5. For the prefix of di we put two and for the prefix tri we put three. and here N stands for Nitrogen and s stands for Sulphur.

To learn more about Dinitrogen trisulfide please visit:

https://brainly.com/question/13793733

#SPJ4

The heat capacity of the dry bomb calorimeter assambly is 8.966 KJ as given by the formula Q=mCΔT.

The quantity of warmth (Q) transferred to or from an item may be calculated the usage of the formula:Q=mCΔT. Where m is the mass of the item, C is the precise warmness of the the item, and ΔT is the alternate in temperature of the item

The precise warmness (C) of a substance (additionally called the warmth capacity) is the quantity of warmth had to growth the temperature of the substance with the aid of using 1°C.

Read more about heat;

https://brainly.com/question/934320

#SPJ4

For the given molecules, toluene and isobutene would have greater solubility in hexane and sucrose and glycol would have greater solubility in water.

Solubility refers to the maximum amount of a substance that can be dissolved in a given amount of solvent at a specified temperature. Solubility is a characteristic property of a specific solute–solvent combination, and different substances have greatly differed solubilities. In other words, it is the ability of a substance - the solute, to combine and form a solution with another substance - the solvent. Polar solutes such as sucrose and glycol are more soluble in polar solvents (i.e., water), and nonpolar solutes such as toluene and isobutene are more soluble in nonpolar solvents (i.e., hexane).

Note: The question is incomplete as it is missing options which are A) toluene B) sucrose C) glycol D) isobutene.

Learn more about Solubility:

https://brainly.com/question/23946616

#SPJ4

The pH of a solution that contains 5 % (w/w) ammonia solution and has a density of 0.977 g/ml is 11.13.

NH3 + H2O ⇄ NH4 + OH-

Kb = [NH4+][OH-] ÷ [NH3]

1.8 x 10 to the power -5 = x2/0.1

[OH-][H+] = 1.34 x 10 the power -3 [H+]  0.977 = 11.13

pH stands for potential of hydrogen - To trace the pH scale, a group of standard solutions whose pH has been established by international agreement can be employed. The potential difference between a hydrogen electrode and a standard electrode, such as the silver chloride electrode, is measured using a concentration cell with transference to obtain the primary pH standard values. The pH of aqueous solutions can be measured using a glass electrode, a pH meter, or a color-changing indicator. pH measurements are important in many fields, including chemistry, agronomy, medicine, water treatment, and many more. Indicators can be used to monitor pH since their colors alter as the pH varies. The hue of a test solution can be visually compared with a reference color chart to determine pH precisely to the closest whole integer. More precise readings are possible if the color is measured spectrophotometrically using a colorimeter or spectrophotometer. A universal indicator, which displays a continuous color change from roughly pH 2 to pH 10, is composed of several indicators.

To know more about pH please refer: https://brainly.com/question/24262133

#SPJ4

Answer:

lá water lá soma de lá numbers

my inglês estadus unidos

The electron-domain geometry of the number are trigonal planar, tetrahedral, trigonal bipyramidal and octahedral.

Electron domain geometry is defined as the configurations of atoms or electrons in three dimensions that revolve around a primary atom. Electron groups are another name for electron domains. Whether a bond be a single, double, or triple bond makes no difference as to where it is located. In contrast to molecular geometry, which uses only the bonds in a molecule, electron geometry is obtained utilizing both lone electron pairs and bonds in a molecule.

Four of the five geometries linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral are referred to as electron group geometries. Trigonal bipyramidal electrical geometry is shared by all molecules with five electron domains. A trigonal planar electron geometry will always be adopted by three electron clouds.

Thus, the electron-domain geometry of the number are trigonal planar, tetrahedral, trigonal bipyramidal and octahedral.

To learn more about electron-domain geometry, refer to the link below:

https://brainly.com/question/18612295

#SPJ12

In rainbow, the color that has the longest wavelength is red which means option 5 is the correct choice.

Dispersion is described to be the spreading of white mild into its complete spectrum of colors, in truth we also can say a complete spectrum of wavelengths. The white mild turns into from solar and includes seven colors. On one end of the spectrum is red with the longest wavelength. Blue or violet mild has the shortest wavelength. White mild is a aggregate of all hues withinside the color spectrum. The colors of the rainbow are: Red, orange, yellow, green, blue, indigo, violet.

Therefore, option 5 is the correct choice.

To learn more about rainbow check the link below:

https://brainly.com/question/12008276

#SPJ4

The condensed structure formula are where it shows all atom but will omits the vertical bonds and all the horizontal single bond.

The condensed structure formula is given as follows  :

a)  1,3,5-tribromo-2-pentene =     BrH₂CCH₂ - C = CH - CH₂Br

                                                                           |

                                                                          Br

b) 3-methyl-2-heptene =  CH₃CH₂CH₂CH₂ - C = CH - CH₂

                                                                         |

                                                                        CH₃

c) 1,2-dibromo-3-isopropyl-2-hexene =   CH₃CH₂CH₂ - C = C - CH₂Br

                                                                                           |     |

                                                                                 CH₃CH₂   Br

                                                                                         |

                                                                                       CH₃

c) vinyl bromide = CH₂ = CHBr

e) diallylamine =  CH₂ = CHCH₂ - NH - CH₂CH = CH₂

Thus, the condensed structure for the given compounds are given above.

To learn more about condensed structure here

https://brainly.com/question/27670671

#SPJ4

Behavior observed as the water was heated due to temperature changes, it changes at 100 degree Celsius.

The average kinetic energy of all the atoms or molecules in a given substance, which is used to determine its temperature.

A substance's particle's kinetic energy varies among its constituent parts. The distribution of the particles' kinetic energy can be used to depict it at any particular moment. Because of their high kinetic energy, some atoms or molecules move exceedingly quickly. Other atoms and molecules are very slowly moving and have little kinetic energy. The temperature is measured by thermometers and is represented by the average kinetic energy of the particles.

Evaporation is one method that effectively displays the different kinetic energies. As you are probably aware, the process of evaporation involves a phase transition in which particles of a substance travel from the liquid phase into the gas phase.

Learn more about temperature here:

https://brainly.com/question/2160033

#SPJ4

Positively charged ions are known as cations.Negatively charged ions are referred to as anions.A charged atom or molecule is an ion.

Ions are any atoms or clusters of atoms with just an electric charge.Positively charged ions are referred to as cations.Ions with a negative charge are known as anion.

A molecule or atom that's also negatively charged is known as an anion.A positively charged atom or molecule is referred to as a cation.Ions include both anions and cations.

To know more about negatively charged atom visit:

https://brainly.com/question/19720406

#SPJ4

The element that is able to form a divalent negative ion in the list is selenium. Option A

We know that an ion can be formed when there is the loss or gain of electrons from an atom. When electrons are lost from atom what we have is a positive ion and when electrons are gained in an atom what we have is a negative ion.

The magnitude of the charge on the ion would have to do with the number of the electrons that have been lost or gained by the atom that we are looking at.

We know that a divalent negative ion can be formed by the atoms that belong to group sixteen of the periodic table hence we look out for the members of that group and a typical example of that is selenium. This element is one of the elements found in group sixteen.

Learn more about ions:https://brainly.com/question/1488567

#SPJ1

A chemical reaction's theoretical yield is the amount of product obtained from the direct conversion of limiting reactant. The amount of HCl produced has a theoretical yield of 56.06 grammes of HCl.

Determine what portion of the product should be created using stoichiometry before you can compute the percent yield. The product quantity that may be produced at optimum efficiency with the specified reactant amounts is known as the theoretical yield.

By placing income in the numerator or cost (or market value) in the denominator of the percent yield equation, one can determine the yearly income return on an investment. Equation for percentage yield: Dividend payout Ratio / Share Price multiplied by 100. Coupon / Bond Price multiplied by 100.

To know more about theoretical yield visit:

https://brainly.com/question/14966377

#SPJ4

N2(g)+3H2(g)→2NH3(g) , mass of NH3 (Ammonia) produced  = 96.3 g

3 x 2 g H2  gives  2 x 17 g NH3

3.98 g H2 gives  3.98 x 2 x 17  / 3 x 2  = 22.5 g NH3

mass of NH3 produced  = 22.5 g

28 g N2  require 3 x 2 g H2

3.20g N2  require 3.2 x 3 x 2 / 28  = 0.65 g

mass of H2 needed  = 0.65 g

3 x 2 g H2  gives   2 x 17 g NH3

17 g H2  gives  17 x 2 x 17  / 3 x 2   = 96.3

mass of NH3 produced  = 96.3 g

Ammonia is created when one nitrogen and three hydrogen atoms come together. It has a design that tetrahedral. Ammonia is used as a fertilizer, to clean with, and to make nitric acid solution. Commonly found as a gas, NH3 can be harmful if exposed for an extended period of time. NH3 has When being stored, it must be kept under pressure or at extremely low temperatures. In the United States, ammonia is a chemical that is regulated as a non-flammable gas. It yet meets the requirements for an inhalation hazard and necessitates a permit for hazardous safety. Ammonia is typically a gas with an overpowering odor.

Learn more about Ammonia here:

https://brainly.com/question/15409518

#SPJ4

Crystal lattice structures in order of decreasing efficiency of space in the structure are hexagonal close packing, face-centered cubic, body-centered cubic, and simple cubic.

The crystal lattice refers to the symmetrical three-dimensional structural arrangements of atoms, ions, or molecules within a crystalline solid as points. It is the geometrical arrangement of the atoms, ions, or molecules of the crystalline solid as points in space. In crystallography, the packing efficiency of crystals is calculated by atomic packing factor which is the fraction of volume or space occupied by atom in a unit cell and is given by:

APF = Volume of atoms in unit cell/Volume of unit cell

The known values of the atomic packing factor are:

Hence,

The fraction of free space or volume = 100% - Atomic packing factor

Hence in the decreasing order of efficiency of space is HCP, FCC, BCC, and SC.

Learn more about Crystal lattice:

https://brainly.com/question/28301556

#SPJ4

There is endothermic evaporation. The molecules give up their thermal energy during condensation. When molecules emit heat energy, the process is said to be exothermic. Exothermic condensation would result.

It's critical to keep in mind that while boiling removes heat from the liquid, vaporization is an endothermic process. When a liquid reaches its boiling point, its temperature won't change until all of the liquid has been converted to vapor.

Due to the fact that it requires energy to evaporate the molecules in a liquid, vaporization is an endothermic process. Overcoming the intermolecular interactions that bind liquids together is necessary.

To know more about endothermic evaporation visit:-

https://brainly.com/question/28909381

#SPJ4

For every one of the following breakdown reactions, a balanced equation H2O (l), Ni(HCO3)2, NiCO3, and CO2 (g).

A response is a movement, propensity, or action that is taken in the opposite direction from what is intended. Reactions are made on the spur of the moment, without much thought or consideration of the potential outcome. Response: Saying something in response to another person's action or comment.

Synthesis, disintegration, mono, double-replacement, and combustion are the five fundamental types of chemical reactions. You can classify a reaction into one of these groups by looking at the reactants and products.

To know more about reactions visit:

https://brainly.com/question/28984750

#SPJ1

The atomic number of this atom is 3.

Atomic Number =Number of Protons .

Here protons=3, Neutrons=4 and Electrons=3. So, The atomic number of this atom is 3.

The charge number of an atomic nucleus is the chemical element's atomic number, also known as nuclear charge number (symbol Z). This is equivalent to the proton number (np), or the number of protons present in the nucleus of each atom of that element, for conventional nuclei.

Ordinary chemical elements can be uniquely identified by their atomic number. The atomic number and the number of electrons are both equal in a regular, uncharged atom.

The atomic mass number A of a regular atom is calculated by adding its neutron number N and neutron number Z. Since the mass of electrons is negligible for many uses, protons and neutrons have roughly equal masses, thus the mass defect of a nucleon.

To learn more about Atomic Number refer to:

brainly.com/question/1805828

#SPJ1

In total there are 2 excited states above the ground state as many excited states are there. Red light transition causes the absorption line at the shortest wavelength.

Any quantum state of a system that is more energetic than its ground state is considered to be the system's excited state in quantum mechanics. Excitation is defined as an increase in energy level over a preset starting point, often the ground state, but occasionally an excited state. The level of excitation is indicated by a particle collection's temperature. The lifetime of a system in an excited state is often brief: immediately after the system is promoted to the excited state, spontaneous or induced emission of a quantum of energy (such as a photon or a phonon) typically happens, returning the system to a state with lower energy. The term "decay" is usually used to describe this drop to a lower energy level, which is the reverse of excitement. Long-lasting stimulated states are frequently referred to as metastable states. Two examples of this are long-lived nuclear isomers and singlet oxygen.

To know more about excited states please refer: https://brainly.com/question/1968924

#SPJ4

The formula of hydrotelluric acid is H₂Te

Hydrogen telluride is an inorganic compound. It is a hydrogen chalcogenide, the simplest hydride of tellurium, and is a colorless gas. Hydrogen tellurium, also known as hydrotelluric acid, terane, and tellurium hydride, is a chemical compound. It's also an acid. It is a covalent compound due to the small electronegativity difference between tellurium and hydrogen.

Hydrogen telluride is a toxic reactive gas. It easily decomposes into hydrogen and tellurium. It also burns in air to produce tellurium dioxide and water. The H-Te-H angle is approximately 90°. Volatile tellurium compounds often have an unpleasant odor reminiscent of rotten onions and garlic.

Learn more about the telluric acid in

https://brainly.com/question/29397392

#SPJ4

Ions in ionic compounds create a lattice by strong electrostatic forces of attraction. They therefore exist at normal temperature as solids.

A chemical compound known as an ionic compound in chemistry is one that contains ions bound together by the electrostatic forces known as ionic bonding.

Despite having both positively and negatively charged ions, or cations and anions, the molecule is generally neutral.

These can be either polyatomic species, like the ammonium (NH+ 4) and carbonate (CO2 3) ions in ammonium carbonate, or simple ions, like the sodium (Na+) and chloride (Cl) in sodium chloride. Since individual ions in an ionic compound typically have more than one nearest neighbor, they are not thought of as belonging to molecules but rather as components of an ongoing three-dimensional network.

When solid, ionic substances typically have crystalline structures.

To know more about Ionic compounds :

brainly.com/question/21584066

#SPJ4.

The charge that a strontium ion would have is +2.

The strontium atom has a 38th atomic number. A metal called strontium reacts with water and burns in the air.

The strontium atom's electrical structure is [Kr]2s².

Two electrons are located in the fifth outer orbital of the strontium atom.

Clearly demonstrate that the strontium ion's electrical configuration is Sr(+2).

The two electrons from the outermost 5S orbital fly out when strontium enters an ionic state.

because the potential energy in this outermost orbital is the largest.

Therefore, we can state that the strontium ion will have a 2+ charge.

Learn more about Strontium Ion, visit,

brainly.com/question/2031834

#SPJ4

The products of electrolysis of concentrated aqueous solution of sodium chloride are sodium hydroxide, hydrogen gas and chlorine gas.

What is electrolysis?

By passing a direct electric current through an ionic compound in fluid form, electrolysis is the process of breaking down the substance into its constituent elements. Anions are oxidized at the anode while cations are reduced at the cathode. An electrolyte, electrodes, and some sort of external power source are the essential components needed to perform electrolysis.

Several large compounds with industrial use, such as sodium hydroxide and chlorine, are produced by an important process called sodium chloride electrolysis. It is possible to electrolyze sodium chloride in aqueous solutions or in a molten state. In order to speed up the redox processes, extra salts are also present when electrolysis is performed.

The electrolysis of a concentrated solution of NaCl gives (I) Cl2, (II) NaOH (aq) and (III)H 2 (g).

[tex]2NaCl (aq) + 2H2O[/tex] →  [tex]2NaOH (aq) + H2(g) + Cl2 (g)[/tex]

To learn more about electrolysis from the given link.

https://brainly.com/question/12994141

#SPJ4

24 moles of [tex]PbCl_2[/tex] are created when 16 moles of [tex]AlCl_3[/tex] are used up.

According to the balanced chemical equation, 2 moles of [tex]AlCl_3[/tex] are required to produce 3 moles of [tex]PbCl_2[/tex]. Therefore, if 16 moles of [tex]AlCl_3[/tex] are consumed, the amount of [tex]PbCl_2[/tex] produced would be:
(16 mol [tex]AlCl_3[/tex]) x (3 mol [tex]PbCl_2[/tex] / 2 mol [tex]AlCl_3[/tex]) = 24 mol [tex]PbCl_2[/tex]

Therefore, 24 moles of [tex]PbCl_2[/tex] are produced when 16 moles of [tex]AlCl_3[/tex] are consumed.
Using the balanced chemical equation, we can determine the amount of [tex]PbCl_2[/tex] produced when 16 moles of [tex]AlCl_3[/tex] are consumed:

3Pb(NO3)2 + 2 [tex]AlCl_3[/tex] → 3PbCl2 + 2Al(NO3)3

From the equation, we see that 2 moles of AlCl3 produce 3 moles of [tex]PbCl_2[/tex]. To find the amount of [tex]PbCl_2[/tex] produced by 16 moles of [tex]AlCl_3[/tex], set up a proportion:

(3 moles [tex]PbCl_2[/tex]) / (2 moles [tex]AlCl_3[/tex]) = (x moles [tex]PbCl_2[/tex]) / (16 moles [tex]AlCl_3[/tex])
Cross-multiply and solve for x:

(3 moles [tex]PbCl_2[/tex])(16 moles [tex]AlCl_3[/tex]) = (2 moles [tex]AlCl_3[/tex])(x moles [tex]PbCl_2[/tex])
48 moles [tex]PbCl_2[/tex] = 32 moles [tex]AlCl_3[/tex] = 24 moles PbCl2
So, when 16 moles of [tex]AlCl_3[/tex] are consumed, 24 moles of [tex]PbCl_2[/tex] are produced.

For more question on moles

https://brainly.com/question/29367909

#SPJ11

In order to determine a combination's value, we must use the formula

n^C_m = n! / (n−m)! * m!

You must provide an opinion or conclusion regarding the validity of a claim or a group of research findings in order to "critically analyze." This should be carried out with the utmost seriousness. Give your assessment on the truthfulness of a claim or research finding.

The whole solution, in steps:

It is necessary to determine 2C2's value.

The value is entered into the formula

Formula : n^C_m = n! / (n−m)! * m!

We set m=2 and n=2

2^C_2=2! / (2 - 2) * 2! is the result, then.

2! = 2!/0!×2! = 1

Hence, 2^C_2=1.

To learn more about  Evaluate Please visit the below link.

https://brainly.com/question/25907410

#SPJ4

The ionization energy is decreasing down a group. Hence the first ionization energy is decreasing from oxygen to polonium and the order is O>Se>Te>Po.

Ionization energy is the minimum  energy required to remove the loosely bound valence electron from the atom. As the atomic size decreases, the attractive pull from the nucleus increases and ionization energy increases.

Thus, along a period the ionization energy increases and down a group it decreases since down a group atomic size is increases. The oxygen  family is starting from oxygen to sulfur, selenium, tellurium and polonium.

Thus, the highest ionization energy is for oxygen and lowest for plonium. Thus, the order is O>Se>Te>Po.

To find more on ionization energy, refer here:

https://brainly.com/question/28385102

#SPJ1

The decreasing bond length is H-I  > H-Br > H-F.

What is bond length?

The bond length is the separation between the centres of two atoms that are covalently bound. The number of bonded electrons influences the length of the bond (the bond order). Higher bond orders are related to shorter bond lengths and stronger forces between the two atoms.

What is bond order?

The shared covalent bonds between two atoms. When two atoms share one pair of electrons, one bond (bond order = 1) is created. A double bond is made up of two pairs of electrons (bond order = 2), whereas a triple bond is made up of three pairs of electrons (bond order = 3).

H-I > H-Br > H-F

With increase in atomic size from F to I ,bond length of H----X

bond increases

Therefore, the decreasing bond length is H-I  > H-Br > H-F.

Learn more about bond length from the given link.

https://brainly.com/question/20910787

#SPJ1