Te2 (Te2 ion) is formed when tellurium gains two electrons. As a result, Te2 condensed electron configuration is [Kr]. 4d105s25p6
The noble gas arrangement for TE. [Kr] 4d10 5s2 5p4
The electron configuration of a noble gas is identical to that of a tellurium ion. Xenon
The atomic number of the alkali metal sodium is 11. Therefore, the electrical arrangement will be 1s22s22p63s1.
The sodium ion Na+ is a positive ion. This indicates that it has lost one electron because of the configuration. 11Na+:1s22s22p6.
Thus, the Na+ ion contains 10 electrons, matching the number of electrons that the noble gas neon (Ne) has. As a result, neon (Ne) and the Na+ ion have the identical electron configuration.
What is electronic configuration?
The arrangement of electrons in atomic or molecular orbitals within an atom, molecule, or other physical structure is known as the electron configuration. For instance, the neon atom's electron configuration is 1s2 2s2 2p6, which means that 1, 2 and 6 electrons, respectively, are present in each of the 1s, 2s, and 2p subshells.
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at this temperature, 0.800 mol h2 and 0.800 mol i2 were placed in a 1.00 l container to react. what concentration of hi is present at equilibrium?
0.800 mol of H2 .800 mol of I2 were added to a 1.00 L container to react at this temperature. The equilibrium constant Kc for this reaction is 53.3H2 + I2 > 2HI at a specific temperature.
What is specific temperature?
There are 0.800 mol of H2 at this temperature. A 1.00 L container held 0.800 mol H2 and 0.800 mol I2 for the reaction. HI focus is present when things are balanced. A. Instead of mol/L, concentrations are given in atmospheres. In a 1.00-L container, 0.100 mol H2 and 0.100 mol I2 are combined, and HI is produced in the process. 0.800 mol h2 and 0.800 mol i2 were placed in a 1.00 l container to react at this temperature. when the reaction's balanced equation.
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why does water mix quickly in some cases
It depends on which way the heat is moving. It takes longer for heat to go downwards forward towards a material below the hotter factor because heat moves upwards.
What actually is heat?The movement of minuscule atoms, molecules, or ion in solids, liquids, and gases produces heat energy. From one thing to another, heat energy could be exchanged. Heat is the flow or transfer that occurs as a result of the temperature differential between two objects.
What is heat explain with example?Amount of heat energy that moves from a hotter to a cooler thing, and temperature is simply how cold or hot an object is. When warmth of a coffee,
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Name the bond that most likely forms compounds with the following conductivity:
4.6 x 10^4 μS=
1.3 x 10^-2 µS=
The bond that most likely forms compounds with the conductivity of 4.6 x 10^4 μS is an ionic bond. The bond that most likely forms compounds with the conductivity of 1.3 x 10^-2 µS is a covalent bond.
SOLVED: Which statement correctly describes protons and neutrons ...
The charges of protons and neutrons are opposite and equal. Protons constitute positively charged particles, while electrons have a net negative charge. Neutrons are neutral particles found inside the nucleus.
what are Three electron-related facts:The exterior of the nucleus is surrounded by negatively charged electrons in orbit. It can be challenging for scientists to monitor them since they rotate so quickly. They are the tiniest particles in such an atom and are drawn to the protons' positive charges; one proton can hold 2000 of them.
Describe electrons and provide an example.The lowest and smallest component of an atom is an electron with a negative charge. An atom that is neutral has an equal number of protons and electrons. An atom of hydrogen, for example, contains just one proton and one electron. On the other hand, the atomic nucleus contains 92 protons and 92 electrons.
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magnesium hydroxide (mg(oh)2) and aluminum hydroxide (al(oh)3) are common ingredients in antacids. when these compounds combine with stomach fluid, which contains hydrochloric acid (hcl), how would the ph of the stomach fluid change
Magnesium hydroxide (mg(oh)2) and aluminum hydroxide (al(oh)3) are common ingredients in antacids. when these compounds combine with stomach fluid, which contains hydrochloric acid (hcl), -pH value is 7
Antacids work by inactivating (system is based) acid in the stomach. This is attributable to the fact that the chemical compounds in antacids are bases (alkalis), that are the inverse of acids. The initial response of an acid and a base is known as neutralization reaction. This neutralisation lessens the corrosion rate of the stomach contents.An antacid is a substance that neutralises production of stomach acid and is employed to treat heartburn, indigestion, and stomach upset. Antacid tablets have been used to treat constipation and diahorrea in the past. Antacids on the market contain aluminium, calcium, magnesium, or sodium salts.Antacids are medications that help to relieve indigestion and heartburn by neutralising (counteracting) stomach acid.
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What is the charge on the iodide in lead(IV) iodide?
The charge on lead is +4 in lead (IV) iodide. Hence, there are 4 iodine atoms each with a charge of -1.
What is lead (IV) iodide ?Lead (IV) iodide is an ionic compound formed by the donation of 4 electrons from the heavy metal lead to the iodine atom. Lead is a 14th group element with 4 valence electrons.
Iodine is a halogen having 7 valence electrons and need one more electrons to achieve octet. Thus, the halogens are more electronegative to gain an electron.
Lead (IV) iodide is PbI₄. Thus, lead shares its all 4 valence electrons each to l atoms. The charge of Pb is +4 and that of 4 I is -4. Hence, charge of one iodine is -1.
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How many lone pairs are in the Lewis structure of hydrazine H2NNH2 ? 4 12 : 8
a molecular geometry with triangular pyramids.The presence of two lone pair of electrons and an electrostatic number of four further indicate the tetrahedral electronic structure of the hydrazine molecule.
In N2H2, how so many lone pair are there?Atoms of nitrogen form a single connection with hydrogen and a double bind with one another.In this molecule, there are two pairs od lone electrons and four pairs with bonding electrons.
Is there a lone pair in NH2NH2?While N2 lacks lone pairs of electrons, NH3 and NH2NH2 do.C.Every nitrogen in NH2NH2 has an oxidation number of +2.
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Draw the most stable conformation of 3-isopropyl-1,1dimethylcyclohexane Please show me which one is the isopropyl and the dimethylcyclohexane and why is that the most stable conformation.
The most stable conformation of 3-isopropyl-1,1dimethylcyclohexane equatorial ethyl group (more stable). The stability of ethylcyclohexane's equatorial conformer exceeds that of its axial conformer by 7.4 kJ/mol.
According to the previous section, the chair conformation with the equatorial methyl group is more stable because it reduces steric repulsion, and as a result, the equilibrium favors the more stable conformer. Strongly favoring the equatorial shape is methylcyclohexane. The methyl group is in close proximity to the axial hydrogens in the axial conformation, which has an energetically unfavorable effect known as a 1,3-diaxial interaction. The methyl group prefers the equatorial shape as a result. The conformation of ethylcyclohexane in which the ethyl group is in the equatorial position is the most stable.
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What are the steps in balancing a nuclear Equation?
Nuclear equations should be balanced due to the fact they should obey the regulation of conservation of mass and the regulation of conservation of price.
In a nuclear image including 21H , the 1 is the atomic wide variety — the wide variety of protons. It additionally represents the price, for the reason that price on a proton is +1Balancing of nuclear equation needs to be executed via way of means of equating the whole atomic wide variety in addition to the whole mass wide variety earlier than and after the response via way of means of following the legal guidelines of conservation of atomic wide variety and mass wide variety respectively in a nuclear response.
Using efficaciously balanced equations is critical whilst looking to recognize nuclear reactions. All equations want to be balanced to comply to 2 conservation legal guidelines: the mass wide variety is conserved, and the electric price is conserved.
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why is it important not to dilute the initial sample before it has been loaded
It is important not to dilute the initial sample before it has been loaded on chromatography column, it is crucial to avoid dilution in order to reduce the matrix effect and prevent detector saturation.
Additionally, it is done to guarantee that saturation stays within the calibration curve's acceptable range. The solvent level must be lower than the TLC's starting line in order to prevent the spots from dissolving. It is imperative that you just use a few drops of solvent to load the sample in this situation if you choose to load the column wet. If you utilise too much solvent, the loading solvent will obstruct the elution and, as a result, the mixture's separation. Because veins and bubbles will form and lead to poor separation, the solvent drop must not extend below the top of the adsorbent.
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Hydrogen isocyanide (HNC) has the same elemental composition as hydrogen cyanide (HCN), but the H in HNC is bonded to the nitrogen atom. Draw a Lewis structure for HNC, and assign formal charges to each atom. How do the formal charges on the atoms differ in the Lewis structures for HCN and HNC?
Hydrogen isocyanide (HNC) has the same elemental composition as hydrogen cyanide (HCN), but the H in HNC is bonded to the nitrogen atom. Formal charges to each atom is same, The charge on an atom in a compound is known as the formal charge.
Each atom is made up of a nucleus and one or more electrons that are linked to it. One or more protons and a significant number of neutrons make up the nucleus. Only the most prevalent type of hydrogen is neutron-free. Atoms that are neutral or ionized make up every solid, liquid, gas, and form of plasma. Atoms are incredibly tiny, measuring typically 100 picometers across. Due to quantum effects, they are so small that it is impossible to predict their behavior with sufficient accuracy using classical physics, as would be the case, for example, if they were tennis balls. The nucleus of an atom contains more than 99.94% of its mass. The electric charges of the protons are positive, those of the electrons are negative, and those of the neutrons are zero. The atom is electrically neutral if the number of protons and electrons is equal. An atom has an overall charge of positive or negative if it contains more electrons than protons; these atoms are known as ions. The electromagnetic force pulls an atom's electrons toward the protons in its atomic nucleus. The nuclear force draws the protons and neutrons in the nucleus together. The electromagnetic force that keeps positively charged protons apart is typically weaker than this force.
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Answer:
Answer : The correct Lewis-dot diagram is shown below.
Explanation:
Explanation :
Lewis-dot structure : Lewis-dot structure shows the bonding between the atoms of a molecule. Lewis-dot structure also shows the unpaired electrons present in the molecule. In the Lewis-dot structure, the dot represent the number of valence electrons.
The given molecule is, Hydrogen cyanide (HCN)
As we know that carbon has '4' valence electrons, hydrogen has '1' valence electron and nitrogen has '5' valence electrons.
Therefore, the total number of valence electrons in hydrogen cyanide, = 1 + 4 + 5 = 10
According to Lewis-dot structure, there are 10 number of bonding electrons and 0 number of non-bonding electrons.
The Lewis-dot structure of hydrogen cyanide (HCN) is shown below.
Assign each statement to the corresponding polysaccharide. Chitin Starch Glycogen Cellulose Answer Bank is the storage form of glucose in animals consists of N-acetylglucosamine residues is made up of two glucose polysaccharides, amylose and amylopectin provides structural support for animals such as arthropods functions in fuel storage in animal cells is a storage form of fuel in plant cells provides structural support for plants
Each polysaccharide has its own unique properties and functions. Chitin is a structural polysaccharide that provides support for the exoskeletons of animals such as arthropods. Starch is a glucose-based polysaccharide that functions as a storage form of fuel in plants. Glycogen is also a glucose-based polysaccharide, but it functions as a storage form of fuel in animals. Finally, cellulose is a structural polysaccharide that provides support for plants.
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What is the rule of 13?
The rule of 13 is a crude method for estimating a molecule's formula from its molecular mass. It
The result is a basic formula with solely hydrogen and carbon atoms. The molecular mass is multiplied by 13 to get this fundamental formula.In the Rule of Thirteen, we begin by creating a basic formula that exclusively comprises carbon and hydrogen. To find the hase formula, divide the molecular mass, M, by 13. (the mass of one carton plus one hydrogen) There is a numerator, n, and a remainder, r, in this computation.
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Name the bond that most likely forms compounds with the following conductivity:
4.6 x 10^4 μS=
1.3 x 10^-2 µS=
Based on the conductivity values of the compounds:
4.6 x 10^4 μS involves covalent bonding
4.6 x 10^4 μS involves ionic bonding.
What is covalent bonding?Covalent bonding is described as a chemical bond that involves the sharing of electrons to form electron pairs between atoms. The electron pairs are known as shared pairs or bonding pairs.
We know that covalent compounds have bonds where electrons are shared between atoms and because of the sharing of electrons, they exhibit characteristic physical properties that include
lower melting points and electrical conductivity compared to ionic compounds.The conductivity of a compound is a measure of the electrical or heat energy conduction of a material.
Ionic compounds have high conductivity whereas covalent compounds have low conductivity.
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Question 22 19 . Give the formula for magnesium hydrogen sulfate A) MgHSO3 b, B) Mg2( HSO4)2 C) MgzHSO3 d, D) Mg(HSO412 E) MgSO4
b.Mg2( HSO4)2 .Magnesium hydrogensulfate [Mg(HSO4)2], as a heterogeneous solid acid catalyst, has been used for the mild formation of trimethylsilyl (TMS).
Mg(HSO4)2 from various primary, secondary, and tertiary aliphatic alcohols; aromatic alcohols; and oximes using hexamethyldisilazane (HMDS) under ambient conditions. Hexamethyldisilazane (HMDS) has been utilized as a heterogeneous solid acid catalyst to moderately produce trimethylsilyl (TMS) ethers from a variety of primary, secondary, and tertiary aliphatic alcohols, aromatic alcohols, and oximes under ambient conditions. Additionally, under solvent-free conditions and with short reaction durations and high to exceptional yields, 14-aryl-14H-dibenzoxanthenes and 1,8-dioxo-octahydroxanthene derivatives were produced in the presence of Mg(HSO4)2. The balanced chemical equation is therefore Mg (s) Magnesium + H 2 SO 4 (aq) Sulphuric acid MgSO 4 for the reaction of magnesium solid with sulfuric acid to produce hydrogen gas and magnesium sulfate ( aq ) Hydrogen (g) with magnesium sulfate.
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Choose the molecule or compound that exhibits dipole dipole forces as its strongest intermolecular force? SO2 Cl4 BCl3 Br2 H2O
The molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force is SO₂.
the correct option is A.
What are intermolecular forces?Intermolecular forces are forces that exist between molecules of the same compound and which are responsible for several physical properties of substances such as boiling and melting points.
Some of the intermolecular forces that exist between molecules of compounds include:
London dispersion forcesDipole-dipole forcesHydrogen bondingIon-dipole forcesThe strongest intermolecular force is the ion-dipole force.
Considering the intermolecular forces present in the given compounds:
SO₂ - has London dispersion forces and dipole-dipole forces
Cl₄ - has London dispersion forces
BCl₃ - has London dispersion forces
Br₂ - - has London dispersion forces
H₂O - - has London dispersion forces, dipole-dipole forces, and hydrogen bonding
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if the bond angle between two adjacent hybrid orbitals is 180°, which is the hybridization?
Linear Sp hybridization results from the interaction of two electron groups at an angle of 180°.
How far apart are sp2 and sp2 hybrid orbitals from one another?The sp2 hybrid orbitals have a trigonal planar shape, with the orbitals' lobes facing in the direction of a triangle's corners (see Figure below). Any two hybrid orbital lobes can be found at a 120-degree angle.
What are SP2 and SP3 hybridizations?At 1200, a combination of s and p orbitals developed in trigonal symmetry. The sp3 hybridization of ethylene (C2H4) is an example of sp2 hybridization. To create a new hybrid orbital called as sp3, this kind involves combining one's' orbital and three 'p' orbitals of equal energy.
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Which has a greater mass? A- Electron B-Proton C- They have equal masses E- Not enough information
Although protons and neutrons are similar in size, they are both significantly heavier than electrons (approximately 2,000 times as massive as an electron).
A proton's positive charge is equivalent to an electron's negative charge in strength. The proton is a stable subatomic particle with a rest mass of 1.67262 1027 kg, or 1,836 times the mass of an electron, with a positive charge that is equivalent to one electron's charge in magnitude.
The mass of a neutron is somewhat more than that of a proton. These are frequently expressed in terms of atomic mass units, where one atomic mass unit is equal to 1/12th the mass of an atom of carbon-12. As a result, neutrons have the most mass. Proton mass is 1.6726219 1027 kg.
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in which of these molecules or ions does the presence of nonbonding electron pairs produce an effect on molecular shape, assuming they are all in the gaseous state?
PF3 and SO2 of these molecules or ions does the presence of nonbonding electron pairs produce an effect on molecular shape.
The three-dimensional structure or arrangement of atoms in a molecule is referred to as molecular geometry or the molecular shape . The polarity, reactivity, phase of matter, color, magnetism, and biological activity of a chemical can all be identified by studying its molecular structure. We have to learn about the Lewis electron dot structure in order to determine the shapes of molecules. Despite the fact that the Lewis theory does not directly affect molecule shape, it is a good starting point for forecasting molecule shape. Finding the bond pairs and lone pairs is made easier by the Lewis structure. In order to determine the molecular geometry and the electron-group geometry using the Lewis structure, we next apply the valence-shell electron-pair repulsion (VSPER) theory.
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a chemist wants to make 3.3 l of a 0.118 m kcl solution. how much kcl in grams should the chemist use?
To create 3.3 l of a 0.118 m potassium chloride solution, the chemist needs to use 29g of kcl (KCl). Potassium chloride is a salt that has a metal-halogen link in it.
It is a salt with the chemical symbol KCl and a 1:1 composition of potassium cations and chloride anions. It has an odourless scent and a look that is colourless and crystalline. A compound or material can be halogenated through a chemical reaction in which one or more halogens are added.
potassium chlorides molarity is 0.118M.
3.3 L is the volume.
Considering that molarity(M) = mole/volume
KCL mole = 0.118*3.3
= 0.3894 mole
KCL's mass equals 0.894 * 74.55
KCL mass = 29g
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Argon has a normal boiling and freezing points of 87.3 K and 83.8 K, respectively. The triple point of argon occurs at 83.8K at 0.68 atm. What physical change can be observed- if any- when the temperature of an argon sample is increased from 85K to 90K at a constant pressure of 0.46 atm? No physical change occurs- the sample is gas and stays gas liquid to gas no physical change occurs- the sample is liquid and stays liquid solid to gas solid to liquid
Argon gas is heavier than conventional air, therefore when it is injected into the insulating glass air space, convection moves much more slowly. As a result, heat is lost less slowly in the winter from heated homes and on hot summer days thanks to slower heat entry.
How cold is the absolute zero?
Water typically has a freezing point and melting point of 0 °C or 32 °F. If supercooling takes place or there are pollutants in the water that could cause freezing point depression to happen, the temperature may be lower. Water may stay a liquid down to -40 or -42 degrees Fahrenheit in some circumstances.
What is above the freezing point of 0?
An aluminum soda can, a candle, or a piece of chocolate, all of which have freezing points above 0°C, would suit this description. Remember that a substance's melting and freezing points are the same.
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what is beta radiation? responses the emission of electrons from the unstable nuclei of radioactive elements the emission of electrons from the unstable nuclei of radioactive elements the emission of electromagnetic radiation from the unstable nuclei of radioactive elements the emission of electromagnetic radiation from the unstable nuclei of radioactive elements the emission of two different types of particles from the unstable nuclei of radioactive elements the emission of two different types of particles from the unstable nuclei of radioactive elements the splitting of the unstable nucleus of an atom into two pieces of roughly equal size
A form of radiation called beta radiation is created when the radioactive elements' unstable nuclei release electrons.
An element is what?An essential element of a totality. In chemistry, a simple material is one that cannot be divided into smaller components or transformed into another substance. An element's fundamental building block is an atom, which is made up of protons, neutrons, and electrons. The number of protons in an element's atoms is constant.
What constitutes an element?A material that cannot be converted into another substance is an element. Every element is composed of a certain sort of atom! Elements having comparable chemical characteristics are arranged into columns in the periodic table, which is arranged in order of atomic number.
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What are two qualities of metals? Describe each
Answer:Typical physical properties of metals : high melting points. good conductors of electricity. good conductors of heat.
Explanation:
An Formula is used to represent a compound.
Chemical formula serve as a representation of compounds. Chemical symbols are used to symbolize the elements that make up a compound, and subscripts are used to indicate the relative amounts of each element.
The chemical symbols for the constituent parts of a compound are used in chemical formulas, and subscripts are used to indicate the proportion of each component. As an illustration, consider the compound water. Each water molecule comprises two hydrogen atoms and one oxygen atom. Therefore, the chemical formula for water is: H2O
The hydrogen molecule in question contains two hydrogen atoms, as indicated by subscript 2 after the H. The oxygen symbol (O) lacks a subscript. The chemical formula does not include a subscript when an element only has one atom in a molecule.
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which of the following is true regarding formaldehyde exposure measurements? 1-measurements must be taken at first use of formaldehyde an a facility 2-periodic measurements should be taken at least every 6 months to ensure that nothing has changed 3-measurements must be repeated whenever a new process or chemical that may affect levels is introduced to the work area
The information above on formaldehyde exposure measurements is all ACCURATE.
What are the permitted levels of formaldehyde exposure?Formaldehyde has a 2 ppm Short-Term Exposure Limit (STEL). Any 15-minute period cannot have an average exposure higher than 2 ppm. Special conditions apply to exposure at or above the STEL. Averaging over an 8-hour period, formaldehyde has an action level of 0.5 ppm.
What is formaldehyde's degree of action?A concentration of 0.5 parts formaldehyde per million parts of air (0.5 ppm), computed as an eight-hour time-weighted average (TWA) concentration, is considered the action level (AL), at which an evaluation of exposure must start.
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classify each molecular art as an element or a compound.
In the given molecular art options, option B and F are elements and option A, C, D and E are compounds.
Elements refer to pure substances which are composed of only one type of atom. It refers to a class of substances that cannot be separated into simpler substances by chemical means. In the given molecular structures, option B and F are elements as they made up of single type of atoms. Compounds refer to substances which are formed by two or more different types of elements that are united chemically in fixed proportions. When the elements combine together, they react with each other and form chemical bonds as a result of sharing or exchanging electrons between atoms which are difficult to break. As molecular structures, option A, C, D and E are made up of different type of atoms, they are compound.
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What is the formula for copper (II) nitrite?
a. Cu3N2
b. Cu(NO2)2
c. Cu3(NO3)2
d. Cu3(NO2)2
The formula for copper (II) nitrite is B: 'Cu(NO3)2'.
Copper (II) nitrate is a chemical compound with the formula 'Cu(NO3)2'. Generally referred to as simply copper nitrate, the anhydrous state is a blue, crystalline solid. The hydrated state of copper (II) nitrate, is also blue, which is commonly used in school and college laboratories to demonstrate chemical voltaic cell reactions. The hydrated and anhydrous forms have remarkably different characteristics, illustrating the effect of water on crystallization.
"
Note: The question with correct options are:
What is the formula for copper (II) nitrite?
a. Cu3N2
b. Cu(NO3)2
c. Cu3(NO3)2
d. Cu3(NO2)2
"
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you add 100.0 g of water at 60.0°c to 100.0 g of ice at 0.00°c. some of the ice melts and cools the water to 0.00°c. when the ice and water mixture has come to a uniform temperature of 0°c, how much ice has melted?
The amount of water that melts when 100.0 grams of pure ice are combined with 100.0 grams uniform temperature of water heated to 60.0 degrees Celsius is 50.3 grams. To 0 degrees Celsius, the water has been cooled.
What does uniform temperature mean?The term "temperature uniformity" refers to the ability of an oven to keep the desired temperature consistently throughout all of its operating duration, not only in one area.
Describe consistent heating.1. Evenly distributed heat flow at the ground. If the grooves are deep or if the macroscopic constriction resist in the tube walls is high compared to the interfacial contact resistance there at joint between the outer and inner tubes, the heat flux over the land would be roughly uniform.
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how many of the following statements is/are true? a) polar molecules contain polar bonds. b) hydrogen must satisfy octet rule in drawing lewis structures. c) the bond between two chlorine atoms in cl2 is covalent. d) a covalent bond occurs when electrons are shared.
Any number of lone pairs are possible for polar molecules. The electron density is unbalanced in polar molecules. These claims are true. a molecule where the dipole bonds won't break.
Is a polar chemical. It relies on the molecule's geometry and the dipole's direction. When two elements, like chlorine and hydrogen, have significant differences in their electronegativities, a polar molecules is created. An atom with a high electronegativity possesses lone pairs of electrons in its bonds due to its tiny size and a high amount of valence electrons. In other words, a polar molecule may include one or more lone pairs.
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Determine whether each of the following amino acids is polar, nonpolar, positively charged _ or negatively charged at pH 7 Polar and neutral Nonpolar Positively charged Negatively charged glutamate arginine Leu Gln hydrophobic amino acids CH OOC CHz- COO NH; HyC CoO NH; NH,
The polar and neutral, non-polar, positively and negative charged amino acids are as follows -
Gln is polar.
C4H6O4N, aspartate, glutamate, is negatively charged, C9H7O3N, arginine, lysine, is positively charged,
hydrophobic amino acids, leucine and C3H7O2N are non polar amino acids.
Amino acids are the compounds having carboxyl and amino terminal at each end. They fold together to form secondary structures such as alpha helix, beta sheets and others. Upon more folding and turning they acquire three and four dimensional structure which imparts functional activity to the proteins.
Amino acids can be polar, non-polar, postively or negatively charged. The net ionic charge decides their postively or negatively charge. Also, aliphatic groups make the amino acids non-polar while presence of oxygen, sulphur, nitrogen gives polar character.
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