The great ocean conveyor belt is a model used to explain how ocean currents cirulate

Answer:

they all are good conductors.

Explanation:

I hope this helps!

Answer:

The correct answer is All these are good conductors.

Explanation:

this is the answer i think

From the rate law, the information that is given by the rate constant is: C. It tells how much the reaction rate is affected by activation energy.

Rate law is also referred to as rate equation and it can be defined as a chemical equation that is typically used to relate the initial (forward) chemical reaction rate with respect to the concentrations or pressures of the chemical reactants and constant parameters.

Mathematically, the rate law is given by this formula:

\(R = k[A]^x[B]^y\)

Where:

In Chemistry, the rate constant is typically used to tell the reaction rate or rate of a chemical reaction that is affected by activation energy.

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The expected mass of solid sulfur consumed at equilibrium is 1.6 kg.

The balanced chemical equation for the reaction is:

S(s) + O₂(g) ⇌ SO₂(g)

The equilibrium constant expression for this reaction is:

K = [SO₂]/[S][O₂]

where [SO₂], [S], and [O₂] are the molar concentrations of SO₂, S, and O₂ at equilibrium.

Given the initial conditions of the reaction and the equilibrium constant, we can set up an ICE (initial, change, equilibrium) table and solve for the equilibrium concentrations of the species:

S(s) + O₂(g) ⇌ SO₂(g)
I 4.8 kg 10.0 atm 0

C -x -x +x

E 4.8-x 10.0-x x

Using the ideal gas law, we can convert the partial pressure of oxygen to the molar concentration:

[P(O₂)]/[RT/V] = n(O2)/V

[10.0 atm]/[(0.08206 L·atm/K·mol)(550°C + 273.15 K)/75.0 L] = n(O₂)/75.0 L

n(O₂) = 0.261 mol

Substituting the equilibrium concentrations into the equilibrium constant expression and solving for x, we get:

K = [SO₂]/[S][O₂]

3.7 = x/(4.8-x)(0.261)

x = 1.6 kg

As a result, the mass of solid sulphur consumed at equilibrium is 1.6 kg.

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The inner core is solid, fourth layer and made out of iron and nickel. It's the one mostly in charge for the other layers. If the inner core stopped spinning, the outer core would lose its magnetic field, and this will be bad because of the sun's radiation wave. Including the other layers.

The outer core is the liquid, third layer. It's in charge of Earth's magnetic field.

The mantle is the second layer of earth, the original temperature can come up about to 1000+ or more, celsius.

To determine the empirical formula of the sample based on the given percentages of carbon, oxygen, and chlorine, we need to convert the percentages into moles and find the simplest whole number ratio between the elements.

Convert the percentages to moles:

Assume we have 100 grams of the sample.

Carbon (C): 12.12 grams (12.12% of 100g)

Oxygen (O): 16.17 grams (16.17% of 100g)

Chlorine (Cl): 71.71 grams (71.71% of 100g)

Convert the grams to moles using the respective atomic masses:

Carbon (C): Atomic mass of carbon = 12.01 g/mol

Moles of carbon = 12.12 g / 12.01 g/mol = 1.009 moles

Oxygen (O): Atomic mass of oxygen = 16.00 g/mol

Moles of oxygen = 16.17 g / 16.00 g/mol = 1.010 moles

Chlorine (Cl): Atomic mass of chlorine = 35.45 g/mol

Moles of chlorine = 71.71 g / 35.45 g/mol = 2.024 moles

Find the simplest whole number ratio:

To determine the simplest whole number ratio, divide the number of moles of each element by the smallest number of moles:

Carbon: 1.009 moles / 1.009 moles = 1

Oxygen: 1.010 moles / 1.009 moles = 1

Chlorine: 2.024 moles / 1.009 moles = 2

The simplest whole number ratio is 1:1:2, indicating that the empirical formula of the sample is C1O1Cl2.

However, it is important to note that the empirical formula represents the relative ratio of atoms in the compound and does not provide information about the actual molecular formula or the arrangement of atoms within the molecule. Further analysis, such as molecular weight determination, is necessary to determine the molecular formula.

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Answer:

que se yohdhdhdjdjudbdudbudbff

Zn has a molecular mass of 65.3800 g/mol. The mass of one mole of a material, measured in grams per mole (g/mol), is known as molar mass or molar weight.

What is molar mass?

Mass per mole is a definition of molar mass. In other terms, molar mass is the total mass of all the atoms in a substance that makes up a mole. It is measured in gram-per-mole quantities.

For atoms or molecules, molar mass is displayed. The molar mass is simply the element's mass expressed in atomic mass units in the case of solitary elements or individual atoms. To put it another way, an atom's atomic mass and molar mass are precisely equal. Molar mass can be used to determine a particle's identity because it is equivalent to atomic mass for individual atoms. He, for instance, has an atomic mass of 4. There is only one helium molecule in nature, meaning that it has only one atom, so its molar mass is also 4.

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the number of moles of EDTA required to titrate the water sample is 0.0000872 moles.

We can use the equation for molarity to calculate the number of moles of EDTA required to titrate the water sample:

Molarity = moles of solute / liters of solution

First, we need to calculate the number of liters of EDTA solution used in the titration:

19.840 mL = 19.840 mL x (1 L / 1000 mL) = 0.019840 L

Next, we can use the equation for molarity to solve for the number of moles of EDTA:

Molarity = 4.395x

\( {10}^{3} \)

M

Liters of solution = 0.019840 L

moles of solute = Molarity x liters of solution

moles of EDTA = (4.395x

\( {10}^{ - 3} \)

M) x (0.019840 L) = 8.720x

\( {10}^{ - 5} \)

moles

Therefore, the number of moles of EDTA required to titrate the water sample is 8.720x

\( {10}^{ - 5} \)

moles (or 0.0000872 moles) to three significant figures.

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Answer:

c.) pure substances reacting

Answer:

Noble gases, atoms which have complete filled outer orbits.

Explanation:

SInce, you have given no options elements like Neon, Helium,etc

Noble elements are the atoms which have stable electronic configuration in the ground state.

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state  and hence are said to be stable.

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Marathon runners well exhibit the differences between the behavior of molecules in different states of matter.

At the starting point before the start of the race, the runners would gather in a common place before the starting line. They would be close to each other and are tightly packed like solid molecules.

After the race was started, some players would start to move fast and some remain in a group for a certain period. They were loosely packed compared to solid.

As the game reaches the end point, the players would be more spread out based on their stamina. They would be more loosely packed compared to solid and liquid.

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The correct Ksp equation for sodium bicarbonate (NaHCO3) can be written as follows:

NaHCO3 (s) ⇌ Na+ (aq) + HCO3- (aq)

The equilibrium expression for the solubility product constant (Ksp) can be written as:

Ksp = [Na+] * [HCO3-]

Note that the solid sodium bicarbonate is in equilibrium with its dissolved ions, sodium (Na+) and bicarbonate (HCO3-), in the aqueous solution.

The Ksp value represents the equilibrium constant for the dissolution of sodium bicarbonate and provides information about its solubility in water.

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Protonation of isocyanate happens on Oxygen atom. Here the nitrogen atom attached to the carbocation is the resonance contributor

Methyl isocyanate is a  precursor or intermediate in the production of carbamate, which is a popular pesticide and herbicide. Protonation happens in the carbenium ion, or carbocation, since it is sp hybridized with oxygen and nitrogen.( Image is given below)

There are two contributing resonance structures in the image. The protonation of nitrogen leads to a formation of resonance structure with triple bond on oxygen, which is very unlikely. The other structure contributes to the formation of protonated product, since triple bonded nitrogen atom is very likely to form.

So nitrogen is the resonance contributor for the protonation of oxygen.

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Answer:

4.9 ml

Explanation:

because thats the answer

Answer:

3

Explanation:

hope the picture helps you to understand :)

The theoretical yield for the mass of ATP in this reaction is 264.57 grams.

The balanced equation tells us that for every 1 mole of glucose consumed, 6 moles of oxygen are required to produce ATP. Therefore, the number of moles of glucose required can be calculated as:

moles of glucose = 1/6 x moles of oxygen = 1/6 x 3.13 = 0.522 moles of glucose

Now that we know the number of moles of glucose that are required, we can calculate the theoretical yield for the mass of ATP using the following equation:

theoretical yield for mass of ATP = moles of glucose x molar mass of ATP

theoretical yield for mass of ATP = 0.522 moles x 507.18 g/mol = 264.57 grams of ATP

Therefore, the theoretical yield for the mass of ATP in this reaction is 264.57 grams.

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Carbon NMR:Spectrum: The chemical shift of the aromatic carbons (Ph–) appears between 128 ppm and 131 ppm. The presence of the double bond (–CH=) appears in the range of 137 ppm to 142 ppm. The benzyl carbon (PhCH2–) appears between 46 ppm and 47 ppm.

The reaction of 1-phenylethylamine with Biphenyl-4-carboxaldehyde produces N-(4-phenylbenzylidene)-1-phenylethylamine. The NMR (Nuclear Magnetic Resonance) spectroscopy is a powerful tool for determining the chemical structure of organic compounds. It is used to analyze the proton and carbon environments of the compound.Here's a detailed analysis of the NMR of N-(4-phenyl benzylidene)-1-phenylethanolamine: Proton NMR:Spectrum:In the proton NMR, the presence of the hydrogen of the amine group (–NH) appears between 4.8 ppm and 5.1 ppm. The hydrogen atoms on the double bond (–CH=) appear between 7.3 ppm and 7.4 ppm. The presence of aromatic protons (Ph–) appears in the range of 7.0 ppm to 7.2 ppm and the presence of benzyl proton (PhCH2–) appears at 4.7 ppm. Carbon NMR:Spectrum:The chemical shift of the aromatic carbons (Ph–) appears between 128 ppm and 131 ppm. The presence of the double bond (–CH=) appears in the range of 137 ppm to 142 ppm. The benzyl carbon (PhCH2–) appears between 46 ppm and 47 ppm.

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Answer:

Study 'atom'

Explanation:

atoms are in the building blocks for molecules. the atom has protons and neutrons in its nucleus and electrons revolving around it. An atom can survive in its surrounding by either sharing electrons or by transferring electrons. Protons are positively charged and electrons are negatively charged. They are also called subatomic particles. When atoms lose electrons they get positively charged, and when they gain electrons they get negatively charged. When a metal is reacting with a non-metal, the metal is positively charged and transports an electron to the non-metal. The metal becomes positively charged and the nonmetal becomes negatively charged. the metal becomes the cation and the nonmetal becomes the anion. Thus, reactivity can cause gain or loss of charges.

Answer:

Start with your basic equation for pH

pH = - log [H+]

then rearrange the equation to solve for [H+]

just like to get move something multiplied from the one side to the other you divide both sides by that number ( a*b = c …. a*b/b = c/b …. a = b/c), you do the ‘inverse’ of a log function, which is 10^

first bring the - over

-pH = log [H+]

then remove the log by taking 10^ on both sides

10^(-pH) = 10^(log [H+])

10^(-pH) = [H+]

and there is your relationship.

Explanation:

Answer: the element is oxygen

Explanation: I just learned electron configuration today and this is the only part I can help with. given 1s²2s²2p4 if you add up the exponents you can find how many electrons there are and therefore the element

Answer:

B, C, and D are fluids.

Explanation:

Answer:

Atomic emission spectra are produced when excited electrons return to the ground state. When electrons return to a lower energy level, they emit energy in the form of light.

Explanation:

One tightens and the other relaxes to make the bones move. Hence, option A is correct.

A muscle is a group of muscle tissues which contract together to produce a force. A muscle consists of fibres of muscle cells surrounded by protective tissue, bundled together with many more fibres, all surrounded by thick protective tissue.

Muscles work in pairs, when one muscle shortens the opposite muscle lengthens e.g. the biceps shortens to bend the elbow at the same time its opposite muscle, the triceps, lengthens to allow the movement to occur. Good working between pairs of muscles allows for smooth controlled movement.

One tightens and the other relaxes to make the bones move. Hence, option A is correct.

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Answer:

Analytical chemistry

Explanation:

because in analytical chemistry checks that different chemicals in water,salt etc....

Answer:

The principles of stoichiometry are based upon the law of conservation of mass. Matter can neither be created nor destroyed, so the mass of every element present in the product(s) of a chemical reaction must be equal to the mass of each and every element present in the reactant(s) in a balanced equation.

Speed in meters per second:  = 1.1117 m/s . Speed in miles per hour

1) a) 120 × 6000 = 720000 = 7.2 × 10⁵b) 3000000 ÷ 0.00015

= 20000000000 = 2 × 10¹⁰2)

Volume of a liter = 1000 cubic cm = 1 cubic decimeter 1 cubic meter = 1000 cubic decimeters

1 liter = 1000 cubic centimeters

1 liter = 0.001 cubic meters

3) 1 km/h = 0.27778 m/s

So, 90 km/h = 25 m/s1 mile = 1.60934 km1 km = 1000 m1 hour = 60 minutes

So, 90 km/h = 55.92 mph4) a) 36.5 fathoms/min = 219 ft/min = 3.65 ft/s 1 ft = 0.3048 m 3.65 ft/s = 1.1117 m/s

b) 1 mile = 5280 ft

1 hour = 60 minutes

36.5 fathoms/minute

= 219 ft/minute

= 3.65 ft/second

= 2.4773 miles/hour

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For the first question, the situation corresponds to Front A. This frontal type is associated with light precipitation over an extensive area for a relatively long duration.

Front A on the surface weather map indicates a warm front. Warm fronts often bring widespread, light precipitation that can persist for an extended period of time. This type of front typically occurs when warm air advances and overrides cooler air, leading to gradual uplift and the formation of stratiform clouds. The light precipitation associated with warm fronts is usually spread out over a large geographic area.

For the second question, the thunderstorms are commonly associated with Front C.

Front C on the surface weather map represents a cold front. Cold fronts passing through the Midwest in springtime frequently trigger the development of thunderstorms. These storms are characterized by convective activity and can be accompanied by heavy rainfall, gusty winds, and potentially severe weather conditions. Cold fronts often bring a rapid change in weather as the advancing cold air displaces warm air, creating a favorable environment for the formation of thunderstorms.

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Answer:

A. Weathering breaks down rocks; Deposition leaves them in new places.

Explanation:

Weathering is basically the complete process of rocks breaking apart.  In contrast, deposition is when the rocks are moved and carried away from their original place and put in new locations.

Answer:

a

Explanation:

Explanation:

This compound is an acid, a ternary acid (H, S, and O)

As a practical rule, in most cases, they are obtained from anhydrides or oxides of nonmetals, to which a water molecule is added.

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H2SO4 has three elements, and the procedure is the next:

1) -ate: stem + ic

(e.g. HNO3 = Nitric acid; HClO3 = Chloric acid)

2) -ite: stem + ous

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According to H2SO4, it would be like 1) as follows:

The name is Sulfuric acid.

Answer: sulfuric acid