Which of the following could account for the weakening of hurricanes when they reach the Atlantic Ocean? Ocean waters in the Atlantic . .

A.) decrease in temperature.
B.) increase in temperature.
C.) decrease in salinity.
D.) increase in salinity.

1.trans-[Pt(en)2Cl2]2+  

2.coordination compound Na [Al (OH)] systematic name: sodium tetrahydroxidoaluminate (III)

For several industrial and technical applications, sodium aluminate serves as an efficient supply of aluminum hydroxide. A white crystalline solid with the chemical formula NaAlO2, NaAl(OH)4 (hydrated), [2] Na2OAl2O3, or Na2Al2O4, pure sodium aluminate (anhydrous) is a white substance. Both a solution and a solid form of sodium aluminate are sold commercially.Other comparable compounds, often referred to as sodium aluminate, include Na5AlO4 and Na7Al3O8, which contain complex polymeric anions and Na17Al5O16 and NaAl11O17, which was originally wrongly thought to be -alumina, a phase of aluminum oxide.Aluminum chloride, sodium chloride, and water are produced when hydrogen chloride and sodium tetrahydroxoaluminate interact. Diluted hydrogen chloride in a solution form.

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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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No, one molecule does not make up a mole. In chemistry, the terms "mole" and "molecule" are used interchangeably.

The word "mole" is used to describe a quantity that cannot be expressed in terms of grams or milligrams. A mole thus counts the quantity of atoms, ions, or molecules.

A molecule is a type of chemical that develops when multiple atoms are combined by chemical bonding. Electrical charge does not exist in molecules. A molecule's constituent atoms may come from the same element or from separate elements. Varying molecules have different ratios between these atoms. Molecules are a unit of measurement for the quantity of molecules in a system.

The primary distinction between a mole and a molecule is that a mole is a unit of measurement for amount whereas a molecule is an atomized chemical species.

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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:

CO₂H

Explanation:

The empirical formula gives the smallest whole number ratio of atoms of each element in a compound.

The ratio of hydrogen, carbon and oxygen in H₂C₂O₄ is:

H : C : O

2 : 2 : 4

They have a common factor of 2, so we can divide the atoms of each element by 2:

H : C : O

1 : 1 : 2

This gives us HCO₂ or CO₂H

Answer:

Explanation:

Mass the fluid, find its volume, and divide mass by volume. To mass the fluid, weigh it in a container, pour it out, weigh the empty container, and subtract the mass of the empty container from the full container. To find the volume of the fluid, you simply measure it very carefully in a graduated cylinder.

Answer:

it is 1 mole of I is correct

Answer:

P₂N₂I₄

Explanation:

Firstly, we calculate the empirical formula of the compound. To do this we find the moles of each element. Treat the percentages as masses.

The formula for moles is:

[tex]moles = \frac{mass}{relative \: atomic \: mass}[/tex]

The masses of each element are:

Phosphorus = 10.37g

Nitrogen = 4.689g

Iodine = 84.95g

The relative atomic masses of each element are:

Phosphorus = 31.0

Nitrogen = 14.0

Iodine = 126.9

Using these values, we can calculate the moles of each element:

[tex]moles \: of \: phosphorus = \frac{10.37}{31.0} = 0.335[/tex]

[tex]moles \: of \: nitrogen \: = \: \frac{4.689}{14.0} = 0.335[/tex]

[tex]moles \: of \: iodine \: = \: \frac{84.95}{126.9} = 0.669[/tex]

Using the moles, write them in a ratio to find the ratio of moles:

Phosphorus : nitrogen: iodine

0.335 : 0.335: 0.669

The smallest number here is 0.335, so divide each number by 0.335

0.335÷0.335=1

0.335÷0.335=1

0.669÷0.335=1.99... = 2 (round to the nearest whole number)

These numbers are used as the subscripts of each element.

This means that the empirical formula is:

PNI₂

To calculate the molecular formula:

[tex]\frac{molar \: mass \: of \: molecular \: formula}{molar \: mass \: of \: empirical \: formula}[/tex]

The molar mass of empirical formula is adding the molar masses of compound PNI2:

31.0 + 14.0 + 126.9 = 171.9

The molar mass of molecular weight or mass = 298.8 (given from the question)

Substitute these in the formula above:

[tex] \frac{298.8}{171.9} = 1.738...[/tex]

1.738 = 2 rounded to the nearest whole number.

Multiply all the subscripts seen in the empirical formula by the number 2:

PNI₂ × 2 = P₂N₂I₄

Please put on a lab apron. It helps shield clothing from damage and stains. Examining glass for fractures and chips. This damaged or chipped glassware needs to be properly disposed of.

In order to deal with it safely, we must take the appropriate precautions. Skin burns or other skin injury can be brought on by sodium hydroxide. Additionally, it can injure eyes. Learn as much as you can about the chemicals that will be utilized, including any exposure or leak risks. Find the spill kits and learn how to use them. Verify labels and throw away any chemicals that aren't 100 percent pure. For ease of access, alphabetize the lab chemicals. Security is the practice of keeping unwelcome dangers and hazards out of the lab environment.

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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 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:

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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A compound has the empirical formula CH and is made up of carbon and hydrogen. the compound's molecular formula is C6 H6.

Compounds that involve a metal binding with a non-metal or a semi-metal will typically exhibit ionic bonding. Molecular compounds are those whose only non-metals or semi-metals contain non-metals. These compounds exhibit covalent bonding.

The compound with the lowest whole number ratio can be found in its empirical formula.

The empirical formula for weight is 12+1=13,

while the molecular formula for weight is 13 78 = 6.

The molecular formula for weight is (CH)n = (CH)6 =C6 H6.

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There would be 4 valence electrons  in an atom with 14 protons

An element is any substance made entirely of one type of atom. For instance, all of the atoms that make up the element carbon are carbon atoms. The atomic number of an element describes how many protons are present in that element's atoms. Inside a neutral atom, the number of protons and electrons must be equal.

The atomic number of an element also serves as a guide to its location on the periodic table.

According to the question, an element has 14 electrons. This implies that it must have 14 protons, indicating that its atomic number is 14.

We must first list any possible electrical configurations for the element before we may locate it:

1s²2s²2p⁶3s²3p²

In the outermost shell, there are four electrons. The element therefore has 4 electrons in its valence shell is 4

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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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The elements belonging to group 1 are more reactive than elements belonging to group 2.

The elements that belongs to s block elements are hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The nature of alkali metals is soft and shiny in appearance. They have low melting point and are highly reactive in nature and usually tarnish when exposed to air. Sodium (Na) is the most reactive element since it's valence electrons are not tightly held together in the atom. The three elements that are highly reactive are Lithium (Li), Sodium (Na), and potassium (K). The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive.

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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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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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Prevent the spread of dusts and vapors.Neutralize acids and bases, if feasible. Manage the spread of the liquid.absorb the liquid.Gather and incorporate the cleanup residues. Get rid of the wastes. Decontaminate the area and affected system.

Chemical spills are the uncontrolled launch of a dangerous chemical, both as a strong, liquid or a gas. these spills need to be minimized as tons as possible.

Chemical spills usually result from the dangerous handling of chemical compounds, incorrect chemical storage, chemical garage tank ruptures, incorrect containers for chemical disposal, and failure to eliminate chemical substances in a well timed way.

There are sorts of spills that you can run into: simple Chemical Spills and complex Chemical Spills. easy Chemical Spills are small, confined, and present minimal dangers.

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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 mass % of carbon in dimethyl sulfoxide (C2H6SO) rounded to three significant figure is calculated as 30.718%.

Mass percent of a solution is defined as the ratio of the mass of solute that is present in solution, relative to the mass of solution as a whole. To calculate mass percent of an element in a compound, we divide mass of the element in 1 mole of the compound by the molar mass and then multiply the result by 100.

As we know molar mass of carbon is 12 g/mol and molar mass of dimethyl sulfoxide is 78.13 g/mol

Mass % of carbon (C2) in dimethyl sulfoxide (C2H6SO) = 2* (12/78.13) * 100

= 30.718%

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Answer:

heating the mixture until one liqiid remains

Explanation:

This is because the liquids have different boiling points there fore meaning that one liquid will evaporate begore the other

The correct answer is : Nitrogen's molecule bends into a trigonal pyramidal shape due to the presence of one lone pair of electrons

O eg=tetrahedral, mg=trigonal pyramidal

The electron geometry (eg) of NCl3 is determined by the positions of the electrons around the central atom, nitrogen (N). NCl3 has one lone pair of electrons on nitrogen and three bonding pairs of electrons with chlorine atoms, so the electron geometry is tetrahedral. NCl3's molecular geometry (mg) is determined by the atom positions in the molecule. In a trigonal pyramidal shape, NCl3 has one nitrogen atom in the centre and three chlorine atoms surrounding it. Nitrogen's molecule bends into a trigonal pyramidal shape due to the presence of one lone pair of electrons. Electron geometry, also known as electron pair geometry, is the arrangement of electron pairs in a molecule or ion around a central atom. It is determined by the number of electron pairs surrounding the central atom, which includes both bonding pairs and lone electron pairs. The electron geometry can be used to predict the overall shape of a molecule or ion and also helps to understand the polarity of the molecule.

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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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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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sauce burning on a stove and firing a clay pot in a hot kilnBoth are physical changes. Therefore, option D is correct.

Physical changes can be defined as changes affecting the state of a chemical substance, but not its composition. Physical changes can be used to separate mixtures into their component compounds, but can not generally be used to separate compounds into elements or simpler compounds.

Physical changes takes place when substances undergo a change that can not change their composition. while the chemical change in which the composition of a substance changes when substances combine or break up to form new substances.

In general a physical change can be consideed as reversible using physical means. A physical change includes a change in physical properties such as change of strength, change of durability, textural change, shape, size, volume and density.

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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:

Only the molecules of NO, SO2 are polar. These chemicals are referred to as polar solvents since they have both positive as well as ends.

a structure where the density of electrons is unevenly distributed. Nonpolar refers to a structure where the density of electrons is more or more uniformly distributed. Numerous physical, molecular, and ecological properties of molecules are influenced by polarity, which can take many different forms.

A polar molecule bond is one in which there is an electrostatic potential difference in between atoms of between 0.5 and 2.0. A polar covalent link is a type of covalent bond with which the atoms are attracted to electrons in uneven amounts, resulting in looked.

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A blend of dyes called a universal indicator gradually changes color throughout a pH range of 4 to 14. The color serves as a direct indicator of pH.

Thymol blue, methyl red, bromothymol blue, and phenolphthalein are the primary ingredients of a universal indicator in the form of a solution. Colors ranging from yellow to red denote an acidic solution, whereas colors ranging from blue to violet denote an alkaline solution and green denotes a neutral solution. Substances called indicators are those whose solutions change color as the pH changes. We refer to these as acid-base indicators. The conjugate base or acid versions of these typically weak acids or bases have various hues because of variations in their absorption spectra.

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