Considere the rate law rate = k[co2][n2]^n what is the order with respect to co2?

Explanation:

\(\Large\textbf{B) Products}\)

Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl

To calculate the concentration of NaCl in the resulting solution in mg/L NaCl, we can use the formula; Concentration (mg/L) = (Mass of solute ÷ Volume of solution in L) × 1000 g / 1 mg NaCl is present in the stock solution of 25 mL. So, the mass of NaCl in the solution would be;0.0842 g ÷ 25 mL = 0.00337 g/mL. Now, in the resulting solution, a 1.00 mL aliquot of the stock solution is transferred to a 50.00 mL volumetric flask and diluted to volume. Therefore, the volume of the resulting solution is 50.00 mL. We will substitute these values in the formula, Concentration (mg/L) = (0.00337 g/mL ÷ 50 mL) × 1000 g / 1 mg concentration (mg/L) = 67.4 mg/L. Therefore, the concentration of NaCl in the resulting solution in mg/L NaCl is 67.4 mg/L.7.  Concentration = 67.4 mg/LTolerance = 4.28 mg/LTotal concentration = 67.4 + 4.28 mg/L = 71.68 mg/LWe round off this value to one decimal place; Total concentration = 71.7 mg/LTherefore, the concentration of NaCl in the resulting solution using propagation of error through the calculation is 67.4+0.4 mg/L.8. Two possible sources of random (indeterminate) error in the experiment are; Errors in temperature measurement. Errors in measurement of water volume. Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl.

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Answer:

Biological & Physical Science is an interdisciplinary major that combines subjects in biology and physical sciences.

Explanation:

Answer:

Heat transfer in the atmosphere from the equatorial regions to higher latitudes occurs through the process of Convection

Explanation:

The equatorial regions of the earth's surface receive the most heat from the sun than any other region of the earth. This is because the are most directly in line with the direct heat from the sun.

Due to this heat from the sun, atmospheric air around the equatorial regions are hot and less dense than air in regions of higher latitudes, and thus, rises above the equator. The rising air at the equator is replaced by colder and denser air from higher latitudes north and south of the equator. As the rising air of the equatorial regions are being replaced by colder and denser air from higher latitudes, the hot and humid air moves away from the equator, toward regions of higher latitude, north and south thereby setting up a convection current of heat flow.

Answer:

The kinetic theory of matter can be used to explain how solids, liquids and gases are interchangeable as a result of increase or decrease in heat energy. If it is cooled the motion of the particles decreases as they lose energy.

Explanation:

Answer:

2Cu2O + C --> 4Cu + CO2

Explanation

The Law of conservation of Mass states You can not destroy or create math in a chemical reaction, meaning you must have the same amount at the beginning and the end. This equation keeps the same amount of atoms on both sides.

Answer: Yes, it is a balanced equation.

Explanation:

https://chemequations.com/en/?s=Cu2O+%2B+C+%3D+Cu+%2B+CO2

This is where I got the answer so you know.  Hope this helps :)

The correct order of the increasing polarity of the analyte functional group isEthers < Esters.

The given statement is "Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters."  The order of polarities of functional groups is the order of their increasing polarity (i.e., less polar to more polar) based on their electron-donating or withdrawing ability from the rest of the molecule.Polarity of analyte: The analyte's polarity is directly proportional to the dipole moment of the functional group, which is associated with a difference in electronegativity between the atoms that make up the functional group.The electronegativity of an element is its ability to attract electrons towards itself. The greater the difference in electronegativity between two atoms, the more polar their bond, and hence the greater the polarity of the molecule.

To find the correct order of the increasing polarity of the analyte functional group, let's first compare the two groups: hydrocarbon ethers and esters. Here, esters have a carbonyl group while ethers have an oxygen atom with two alkyl or aryl groups. The carbonyl group has more electronegative oxygen, which pulls electrons away from the carbon atom, resulting in a polar molecule. On the other hand, ethers have a less polar oxygen atom with two alkyl or aryl groups, making them less polar than esters. Therefore, the correct order of the increasing polarity of the analyte functional group isEthers < Esters.

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Question:

Answer:

Note: * I am not responsible if you get it wrong, for you are the one who asked the question. *

If this helped, your welcome! Please know that I might be wrong, and if I am, I am truly sorry for that. But If you would, please make me brainliest.

I hope you have a rest of your great day! If there is an issue with this question, be happy to comment. <3

-niaxfandoms (insta and yt)

the initial rate of a reaction doubles as the concentration of one of the reactants is quadrupled. 1.41 is the order of this reactant

The initial rate of the reaction doubles as the concentration of one of the reactants is quadrupled. To determine the order of this reactant, we can use the formula:
rate = k × [reactant]n
where rate is the reaction rate, k is the rate constant, [reactant] is the concentration of the reactant, and n is the order of the reactant.
Given that the rate doubles when the concentration is quadrupled, we can set up the following equation:
2 × (k ×[reactant]n) = k ×(4 × [reactant])n
By simplifying, we find that n = 1/2. Thus, the order of this reactant is 1/2 (also called half-order).
If a reactant has an order and the concentration of that reactant increases by a factor of two, the initial rate will change according to the order. In this case, since the order is 1/2:
new rate = k × (2 × [reactant]) 1/2)
This results in the new rate being multiplied by √2 (approximately 1.41). So, the initial rate will increase by a factor of around 1.41 when the concentration of the reactant doubles.

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The correct order of reactivity towards electrophilic aromatic substitution is:

b.) Phenol > benzene > chlorobenzene > benzoic acid

Phenol is more reactive than benzene towards electrophilic substitution reactions due to the presence of the -OH group (hydroxyl group) attached to the benzene ring. The lone pair of electrons on the oxygen atom in the -OH group can donate electron density to the ring, making it more nucleophilic and facilitating electrophilic attack.

Benzene, although less reactive than phenol, can still undergo electrophilic substitution reactions due to its aromaticity and delocalized electron system.

Chlorobenzene is less reactive than both phenol and benzene because the chlorine atom is an electron-withdrawing group. It withdraws electron density from the benzene ring, making it less nucleophilic and less prone to electrophilic substitution.

Benzoic acid is the least reactive among the options given. The carboxylic acid group (-COOH) is an even stronger electron-withdrawing group than the chlorine atom in chlorobenzene. It further reduces the electron density on the benzene ring, decreasing its reactivity towards electrophilic substitution.

Therefore, the correct order of reactivity towards electrophilic substitution is option b.

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the complete question is:

The correct order of reactivity towards electrophilic aromatic substitution is?

a.) Benzene > phenol > benzoic acid > chlorobenzene

b.) Phenol > benzene > chlorobenzene > benzoic acid

c.) Chlorobenzene > benzoic acid > phenol > benzene

d.) Benzoic acid > chlorobenzene > benzene > phenol

The separation scheme for the isolation of caffeine from the ground tablets include the steps: Grinding, Extraction, Filtration, Evaporation, Purification, Recrystallization and Drying.

Here is a detailed separation scheme for the isolation of caffeine from ground tablets. Here is a step-by-step procedure:

Grinding: Grind the tablets containing caffeine to a fine powder to increase the surface area for extraction.

Extraction: Perform multiple extractions using a suitable solvent, such as ethyl acetate or dichloromethane. Add the solvent to the powdered tablets and mix thoroughly. Allow the mixture to stand for some time to allow the solvent to dissolve the caffeine.

Filtration: Filter the mixture to separate the solid residue (containing excipients and impurities) from the solvent extract (containing caffeine).

Evaporation: Evaporate the solvent from the filtrate using a rotary evaporator or by allowing it to evaporate naturally. This will leave behind a crude caffeine residue.

Purification: Dissolve the crude caffeine residue in a minimal amount of a suitable solvent, such as hot water or ethanol. Filter the solution if necessary to remove any remaining insoluble impurities.

Recrystallization: Slowly cool the filtered solution to induce crystallization of pure caffeine. Collect the formed crystals by filtration and wash them with a small amount of ice-cold solvent to remove any impurities.

Drying: Allow the purified caffeine crystals to air dry or use a desiccator to remove any remaining moisture.

The resulting product should be relatively pure caffeine. Please note that this is a simplified outline, and specific details may vary depending on the specific extraction and purification techniques used.

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The number of moles in container 2 is 33.3moles when the container has 27.32L of gas inside it

The number of moles of gas in container 2 can be calculated using the Ideal Gas Law:  

n = PV/RT  

where n is the number of moles of the gas with known volume,

P is the pressure (assumed to be 1 atm for ideal gases),

V is the volume (27.32 liters),

R is the ideal gas constant (0.0821 L·atm/mol·K) and

T is the temperature (assumed to be 273.15 K).  

Plugging in the values, we get:  

n = (1 atm)(27.32 L)/(0.0821 L·atm/mol·K)(273.15 K)

n = 33.3 mol  

Therefore, there are 33.3 moles of gas in container 2.

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Answer:

3.38  Tablespoons

10.14 Teaspoons

0.21 U.S. Cups

0.18 Imperial Cups

0.20 Metric Cups

50.00 Milliliters

Explanation:

The molecular geometry (form) of CCl4 SF6 is identical to the configuration of the electron domains in a VSEPR.

VSEPR distinguishes between molecular geometry, which defines how the atoms in a molecule are ordered, and electron group geometry, which expresses how electron groups (bonds and nonbonding electron pairs) are arranged.

Chemistry frequently employs the valence-shell electron-pair repulsion (VSEPR) model to foretell the three-dimensional organization, or geometry, of molecules. This model accounts for the repulsion between electron pair to estimate the structure of a molecule.

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The mass of aluminum oxide was initially present was 372.8 g. Start with the balanced chemical equation for this Synthesis or combination reaction (4Al+3O2→2Al2O3).

The percent yield of the reaction is not 100%, but 85.3%. This means that you will need to use more aluminum oxide to produce this much aluminium.

Percent yield is defined as the actual yield of the reaction by the theoretical yield.

% yield = actual yield/theoretical yield×100

You know that the reaction's actual yield is 318 g of aluminium, which means that the theoretical yield must be

85.3%=318g/theoretical yield×100

theoretical yield=318g⋅100/85.3=372.8g

This means that you need to find how many grams of aluminum would theoretically produce 372.8 g of aluminum oxide.

The most eight types of chemical reactions are :

Decomposition reaction,Combination reaction,Combustion reaction,,Single displacement reaction,Double displacement reaction,Precipitation reaction, and Redox reaction.

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Sun-Bleached hair.

You can't exactly pass down piano skills, they have to be taught and also you can't just be born with strong muscles, they also have to develop over time. Height can't exactly be passed down because some parents are tall and their kids come out short. That leaves the only other option to be Sun-Bleached Hair (hair color).

Hope this helps and have a nice day.

-R3TR0 Z3R0

The repeat unit of the addition polymer that can be formed from Pent-4-enoic acid is shown below:

      H    H

      |      |

H₂- C = C-C(CH₂)₂COOH

       |     |

      H    H

Since polymer molecules are much larger than most other molecules, the concept of a repeat unit is used when drawing a displayed formula.

When creating one, change the monomer's double bond to a single bond in the repeat unit, and add a bond to each end of the repeat unit. At the end, put the letter n in subscript after the brackets (n represents a very large number of the repeating unit)

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Answer:

A climograph is a graphical representation of the climate of a particular location over a period of time. It typically shows the average temperature and precipitation for a specific location over the course of a year, with the temperature plotted on the y-axis and the months of the year plotted on the x-axis.

The primary function of a climograph is to provide a visual representation of the climate of a particular location, which can be useful for understanding the weather patterns and temperature ranges that are typical for that location. Climographs can also be useful for comparing the climate of different locations, as they provide a convenient way to see how temperature and precipitation patterns differ from one place to another.

Given the reaction:

C + O2 ⇄ CO2

We can find the equilibrium constant (Keq) using the following:

Therefore the answer is letter A

The degree of unsaturation for the molecule with the molecular formula C₈H₉N is 5.

The degree of unsaturation, also known as the index of hydrogen deficiency (IHD), is a measure of the total number of rings and/or pi bonds in a molecule. It can be calculated using the following formula:

IHD = (2 + 2C - H + N - X)/2

Where:

For the given molecular formula C₈H₉N, we have:

C = 8

H = 9

N = 1

X = 0 (no halogens)

Plugging these values into the formula, we get:

IHD = (2 + 2(8) - 9 + 1 - 0)/2

IHD = (2 + 16 - 9 + 1)/2

IHD = 10/2

IHD = 5

Therefore, the degree of unsaturation for the molecule with the molecular formula C₈H₉N is 5.

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Answer:

Q = 450 J

Explanation:

Given that,

Mass of a piece of glass, m = 45 g

The temperature changes from 10°C to 30°C.

The specific heat is 0.5 J/g°C

We need to find heat required to raise the temperature. The formula that is used to find it is given by :

\(Q=mc\Delta T\\\\Q=45\times 0.5\times (30-10)\\\\Q=450\ J\)

So, the required heat is 450 J. Hence, the correct option is (c).

Answer:

The glucose concentration is measured in mM, the abbreviation for "milliMolar". The molar (M) concentration of a solution is a measure of how much solute (the component of a solution present in lesser amount, often a solid) there is in a given volume of solution. After swirling the flask to dissolve the solid, water is added carefully until the bottom of the meniscus coincides with the calibration mark on the neck of the flash.

Approximately 33 ml of the 4.1 M stock solution is needed to prepare 229 ml of a 0.59 M diluted solution.

To calculate the volume of the stock solution needed, we can use the dilution equation:

\(M_1V_1 = M_2V_2\)

where \(M_1\) is the initial concentration of the stock solution, \(V_1\) is the volume of the stock solution needed, \(M_2\) is the final concentration of the diluted solution, and \(V_2\) is the final volume of the diluted solution.

Plugging in the given values, we get:

\((4.1 M) V_1 = (0.59 M) (229 ml)\)

Solving for \(V_1\), we get:

\(V_1 = (0.59 M) (229 ml) / (4.1 M)\)

\(V_1\) ≈ 32.7 ml

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The mass % of Cl- in the unknown chloride sample is 47.28%.

To determine the mass % of Cl- in the unknown chloride sample, we can use the concept of stoichiometry and the balanced chemical equation for the reaction between AgNO3 and Cl-.

The balanced chemical equation for the reaction is:

AgNO3 + Cl- → AgCl + NO3-

From the equation, we can see that 1 mole of AgNO3 reacts with 1 mole of Cl-. The molar ratio is 1:1.

Given that it takes 21.35 mL of 0.200 M AgNO3 to titrate the unknown chloride sample, we can calculate the number of moles of AgNO3 used:

Moles of AgNO3 = Volume (L) × Concentration (M)

               = 0.02135 L × 0.200 M

               = 0.00427 moles

Since the molar ratio is 1:1, the number of moles of Cl- in the unknown chloride sample is also 0.00427 moles.

Now, we need to calculate the mass of Cl- in the sample. The molar mass of Cl- is 35.45 g/mol.

Mass of Cl- = Moles × Molar mass

           = 0.00427 moles × 35.45 g/mol

           = 0.151 g

Finally, we can calculate the mass % of Cl- in the unknown chloride sample:

Mass % of Cl- = (Mass of Cl- / Mass of unknown chloride sample) × 100

            = (0.151 g / 0.375 g) × 100

            = 40.27%

Therefore, the mass % of Cl- in the unknown chloride sample is 47.28%.

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Answer:

They are Weaker than a chemical

corrected by the one in the comment section

Half life period for the reaction where deduction of mass takes places is 8 days.

Half life period of any reaction is that time where half concentration of reactant get converted into product.

Here we can calculate the half life through the below equation:

\($m = {m^'} \times {\left( {\frac{1}{2}} \right)^{\frac{t}{T}}}$\)

where, m' = initial mass of iodine = 80g

m = remaining mass = 2.5g

t = taken time = 40 days

T = half life

By putting this all value in above equation, we get

\(.$\begin{array}{l}2.5 = 80 \times {\left( {\frac{1}{2}} \right)^{\frac{{40}}{T}}}\\\frac{{2.5}}{{80}} = {\left( {\frac{1}{2}} \right)^{\frac{{40}}{T}}}\\{\left( {\frac{1}{2}} \right)^5} = {\left( {\frac{1}{2}} \right)^{\frac{{40}}{T}}}\\5 = \frac{{40}}{T}\\T = 8\end{array}$\)

Hence, half life period of this reaction is 8 days.

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The answers are given below as ,

a. There are 12 moles of oxygen are in one mole of iron (III) sulfate .

b. There are three atoms of sulfur are in on formula unit of iron (III) sulfate .

c. There are  two iron atoms are in one mole of iron (III) sulfate .

d. The average mass in amu's of one formula unit of iron (III) sulfate one formula unit of iron (III) sulfate .

e. The molecular mass of one mole of iron (III) sulfate is 399.88 g/mol

The average mass of the atoms in a naturally occurring sample of an element is the average atomic mass, also known as atomic weight. Unified atomic mass units (u), where 1 u is equal to precisely one-twelfth the mass of a neutral atom of carbon-12, are the standard units used to express average masses.

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Answer:

55 degrees F - cold water

120 degrees F

the last on I don't know