Which formulas both represent compounds? HELP ME PLS!

The balanced chemical equation for this reaction would be:

2 Cu₂CrO₄ (s) + Fe₂(AsO₄)₃ (s) --> Cu₃AsO₄ (s) + 2 Fe₂(CrO₄)₃ (s)

When you mix copper(I) chromate and iron(III) arsenate, you will observe a double displacement reaction.

In this reaction, the positive ions (cations) and the negative ions (anions) from the two reactants will swap places to form new products

Copper(I) chromate contains the copper(I) ion (Cu⁺) and the chromate ion (CrO₄²⁻), while iron(III) arsenate contains the iron(III) ion (Fe³⁺) and the arsenate ion (AsO₄³⁻).

The cations and anions will exchange partners, resulting in the formation of new compounds:

copper(I) arsenate (Cu₃AsO₄) and iron(III) chromate (Fe₂(CrO₄)₃).

So, the balanced chemical equation for this reaction would be:

2 Cu₂CrO₄ (s) + Fe₂(AsO₄)₃ (s) --> Cu₃AsO₄ (s) + 2 Fe₂(CrO₄)₃ (s)

Remember to always wear appropriate safety gear and work under the supervision of a qualified professional when handling chemicals.

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The correct answer is c. Iron. Red water problems are primarily caused by the presence of iron in the water, which can cause discoloration and an unpleasant taste and odor.

Iron Red water problems are primarily due to the presence of iron in the water. When iron is oxidized, it forms insoluble reddish-brown particles that can cause staining and other issues. Hardness refers to the concentration of dissolved minerals like calcium and magnesium in water, while turbidity refers to the cloudiness or haziness of water caused by suspended particles. Hydrogen sulfide is a gas that can cause a rotten egg odor in water.

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There is a resonance condition during the triple alpha process so that it does not require even higher temperatures than one might expect.

The triple alpha process is the process by which three helium nuclei (alpha particles) are fused together to form carbon. This process is very important for the formation of heavier elements in stars, as carbon is a key building block for life as we know it.

The three alpha particles are able to combine into carbon more easily at a lower temperature than would otherwise be required because there is a resonance condition that makes it more likely for the reaction to occur at that temperature.

This resonance condition is due to the fact that the energy level of the beryllium-8 nucleus is very close to the energy of two alpha particles. This means that if two alpha particles come together to form beryllium-8, it is very likely that a third alpha particle will come along and combine with it to form carbon since the energy level of the carbon nucleus is much lower than that of the beryllium-8 nucleus.

Therefore, the triple alpha process does not require even higher temperatures than one might expect.

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Answer:

A parasite.

Explanation:

A virus usually invades cells and replicates.

A bacteria usually just replicates and either is beneficial or can harm.

A fungus usually decomposes or can make you sick.

A parasite usually is parasitism - it invades the organisms and leeches off them for shelter and nutrients and can harm.

Answer:

A parasite.

Explanation:

i got it right

Answer:

C)Mixtured

Explanation:

I know the answer

The potency of acetylcholine after replacing the acetyl group with propionyl or butyrly group decreases.

Its is a organic chemical that function in the brain and body fofmany types of animal ,and humans also as neurotransmitter.

It act as a messenger , that plays a very important role in the central and peripheral nervous system.

The acetylcholine is important for autonomic body functions, muscle control and memory , learning and attention.

Lack of acetycholine cause no contraction in muscles.

Excess of acetylcholine causes cramps , muscular weakness blurry vision, diarrhea etc.

Propionyl or butyryl  is higher homologus group than acetyl , this is the reason the potency will decreases or reduces its activity.

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To find the percent yield, the chemistry we need to divide the actual yield by the theoretical yield and multiply by 100.Given: Actual yield = 25 g Theoretical yield = 81 g

Percent yield = (actual yield / theoretical yield) * 100 Substituting the given values: Percent yield = (25 g / 81 g) * 100 we need to divide the actual yield by the theoretical yield and multiply by 100
Now, we can calculate the percent yield using the toolbar.

Percent yield = (25 / 81) * 100 = 30.86%,Therefore, Now, we can calculate the percent yield using the toolbar. the student's percent yield is approximately 30.86%. and using simple chemical kinetics we found the answer.

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Answer:

1. A

Explanation:

1.A True we can identify solutions based on the color of the solutions. If you look at our  universal PH color chart. Red, Orange, and yellow are acids.

2. D, If you look at the pH levels. Both B and C have a pH level equal to or greater than 7. Note that any pH level 7 or higher is a basic solution.

3.A

Looking at the pH level we can see that this is an acidic solution. So, by adding more water. The acidity will lessen.

Answer:

Observational data collected by doppler radar, radiosondes, weather satellites, buoys and other instruments are fed into computerized NWS numerical forecast models. The models use equations, along with new and past weather data, to provide forecast guidance to our meteorologists

Given :

Temperature, T = 55° C = ( 55 + 273 ) K = 328 K .

Volume of container, V = 28.9 dm³ = 0.0289 m³ .

Pressure, P = 144 kPa = 144000 Pa .

To Find :

Number of moles of nitrogen  gas.

Solution :

We know, by ideal gas equation :

PV = nRT  ( R ( universal gas constant ) = 8.31 J K⁻¹ mol⁻¹ .

\(n = \dfrac{PV}{RT}\\\\n = \dfrac{144000\times 0.0289}{8.31 \times 328} \ moles\\\\n = \dfrac{4161.6}{2725.68}\\\\n = 1.53 \ moles\)

Therefore, number of moles of nitrogen gas is 1.53 moles.

Answer:

E

Explanation:

6.29 × 10^6 = 6 290 000 kiloliters

Answer:

Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)

Explanation:

The net reaction is Z n ( s ) + 2 H + ( a q ) → Z n 2 + ( a q ) + H 2 ( g ) The C l − ions are spectators - they don't change.

Answer: (B) −198 kJ.

The average kinetic energy of a gas is given by the formula: KEavg = (3/2) kT. Average kinetic energy for fluorine, chlorine and bromine are found as \(6.56 × 10^-21 J, 6.56 × 10^-21 J and 6.56 × 10^-21 J\) respectively.

Where KEavg is the average kinetic energy of the gas, k is the Boltzmann constant (\(1.38 × 10^-23 J/K\)), and T is the temperature in Kelvin.

For F2:

\(KEavg = (3/2) kTKEavg = (3/2) (1.38 × 10^-23 J/K) (310 K)KEavg = 6.56 × 10^-21 J\)

For Cl2:

\(KEavg = (3/2) kTKEavg = (3/2) (1.38 × 10^-23 J/K) (310 K)KEavg = 6.56 × 10^-21 J\)

For Br2:

\(KEavg = (3/2) kTKEavg = (3/2) (1.38 × 10^-23 J/K) (310 K)KEavg = 6.56 × 10^-21 J\)

It is worth noting that the average kinetic energy of a gas is directly proportional to its temperature. As the temperature increases, the average kinetic energy of the gas increases.

This is because as the temperature increases, the molecules move faster and collide more frequently, resulting in an increase in kinetic energy.

Additionally, the formula assumes that the gas molecules are ideal, meaning that they have no intermolecular forces and occupy no volume. In reality, gas molecules do have intermolecular forces and occupy some volume, but these assumptions are valid for most gases under normal conditions.

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Answer: I believe it was Şaddam Hussein

Explanation:

The equation derived from the combined gas law is option D: P₁V₁T₁ = P₂V₂T₂. Option D

The combined gas law combines Boyle's law, Charles's law, and Gay-Lussac's law into a single equation that relates the pressure, volume, and temperature of a gas sample. It allows us to analyze changes in these variables while keeping the amount of gas constant.

Boyle's law states that at a constant temperature, the pressure and volume of a gas are inversely proportional. In other words, if the volume of a gas decreases, its pressure increases, and vice versa. This is expressed as P₁V₁ = P₂V₂.

Charles's law states that at a constant pressure, the volume and temperature of a gas are directly proportional. If the temperature of a gas increases, its volume increases, and vice versa. This is expressed as V₁/T₁ = V₂/T₂.

Gay-Lussac's law states that at a constant volume, the pressure and temperature of a gas are directly proportional. If the temperature of a gas increases, its pressure increases, and vice versa. This is expressed as P₁/T₁ = P₂/T₂.

By combining these three laws, we obtain the combined gas law equation: (P₁V₁)/T₁ = (P₂V₂)/T₂. To eliminate the division, we can cross-multiply to get P₁V₁T₂ = P₂V₂T₁, which can be rearranged as P₁V₁T₁ = P₂V₂T₂.

This equation allows us to calculate the final values of pressure, volume, or temperature when any two of these variables change while the amount of gas remains constant. It is particularly useful in analyzing the behavior of gases under different conditions or when studying gas systems.

Option D

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Answer:

it was A for me.. don't know if this will help

Explanation:

In the given reaction CH3COOH → CH3COO^- + H+, the statement "CH3COO^- is a conjugate base" is true.The statement "CH3COO^- is a conjugate base" is true for the given reaction.

In the Brønsted-Lowry theory of acids and bases, an acid is a species that donates a proton (H+), while a base is a species that accepts a proton. In this reaction, CH3COOH donates a proton to form CH3COO^- and H+. The species that remains after the acid donates a proton is called the conjugate base.

In the reaction, CH3COOH acts as the acid by donating a proton, and CH3COO^- is the species that forms after the donation. Since CH3COO^- accepts the proton, it is considered the conjugate base of CH3COOH.

To determine whether a species is an acid or a base, we need to consider its behavior in a given reaction. In this case, CH3COOH donates a proton, making it the Brønsted-Lowry acid, while CH3COO^- accepts the proton, making it the conjugate base.

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The overall combustion energy for the reaction is -110 kJ/mol.

The enthalpy of reaction, denoted as ΔH, is a measure of the heat energy exchanged or released during a chemical reaction at constant pressure. It represents the change in the internal energy of the system and is commonly referred to as the heat of reaction.

We know that the overall energy is given by;

[(2(805) + 2(464)] - [4(413) + 2(498)]

(1610 + 928) - (1652 + 996)

2538 - 2648

= -110 kJ/mol

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Answer:

The poster should include:

 TITLE: Creative name of superhero.

 DESCRIPTION OF ELEMENT SUPERHERO (2 PARAGRAPHS):

This section should include a brief description of how your superhero acquired, used, or lived

with their element power. You may want to describe where does your superhero element lives

(where in nature can it be found). What are his/her superpowers? Does your superhero

element have a hideout? What are his/her strengths? What is his/her weakness? Who is

his/her arch nemesis (evil super villain)? What kind of super suit does your superhero have?

 5 FACTS:

This section should include at least 5 fun facts about your element. You can choose to

describe facts that illustrate where your element is found in nature. You may also wish to

describe what is your element used for. You may address what are characteristics of your

element or what are important uses of your element. For example, can your element be made

into something useful or can your element combine with other elements to make something

totally different.)

 ATOMIC DRAWING

Include the atomic structure of your element with correct labeling of its protons neutrons,

electrons. Make sure your drawing has the correct number of protons, neutrons, electrons.

 DRAWING OF YOUR ELEMENT SUPERHERO

This section should include a drawing (in color) of your Element Superhero on a clean sheet of

WHITE paper. You may want to draw your Element Superhero fighting his nemesis (super

villain). Or you may want to draw your Element Superhero using his special powers.Explanation:

Answer:

System

Explanation:

I got 100 on Edge

A system is a group of related objects which interact with each other and form a complex whole.

A system can be described as a group of interacting elements that act according to a set of rules to create a unified whole. A system is surrounded by its environment and is described by its boundaries, structure, and purpose.

A system in physics can be described as a collection of objects that can be identified. A system refers to a collection that makes thinking about a problem more convenient.

The surrounding is everything else that is not included in the system. An isolated system is a system in which no energy or matter is exchanged with the surroundings.

A closed system is one in which only energy can be exchanged with the surroundings. The open system is one in which both matter and energy can be exchanged with the surroundings.

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The standard enthalpy change for the reaction will be 5535.1 KJ/mol

The chemical equation for  reaction that corresponds to breaking just the carbon-carbon bonds will be

 C₆H₆(g) --> 6C---H(g)

The standard enthalpy change for the reaction which represents the breaking of all bonds

Reaction equation will be

C₆H₆(g) --> 6C(g) +  6H (g)

∆H = ∑ ( moles of product ×∆Hpro ) - ( moles of reactant × ∆H reactant )

     = ( 6 × 217.94  +  6 ×  718.4 ) –  ( 82.9)   KJ/mol

     =  5618.04  - 82.9  = 5535.1  KJ/mol

The chemical equation for reaction that corresponds to the breaking the carbon-carbon bonds

chemical equation will be

C₆H₆(g) --> 6C---H(g)

Hence we can conclude that standard enthalpy change will be 5535.1 KJ/mol .

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The conjugate base of HBrO is BrO⁻.

In ionic equilibrium, we have a concept of conjugate base and conjugate acid.  

According to bronsted lowry's acid and bases concept acid is defined as a substance that can donate a proton, and the base is defined as a substance that can accept a proton.

The base formed from acid is known as the conjugate base of the acid. Similarly, the acid formed from a particular base is called the conjugate acid of the base.  

To form conjugate acid of HBrO, remove the hydrogen atom from HBrO.

Hence, the conjugate base of HBrO is BrO⁻.

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I = 435 A (to three significant digits). To calculate the size of the electric current, we need to use Faraday's constant, which relates the amount of charge transferred to the number of moles of electrons involved in the reaction.

One mole of electrons represents a charge of 96,485 C (coulombs), which is equal to Faraday's constant (F).
Therefore, the amount of charge transferred in this case is:
0.540 mol x F = 52,126 C
Since the time is given in minutes, we need to convert it to seconds:
t = 2 minutes x 60 seconds/minute = 120 seconds
Finally, the electric current (I) is given by:
I = Q/t = 52,126 C / 120 s = 435 A
The unit symbol for electric current is "A" (ampere).
We need to round the answer to the correct number of significant digits, which is three, because the original value 0.540 has three significant digits.
Therefore, the final answer is:
I = 435 A (to three significant digits).

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Answer:

The temperature of the cooking liquid. Oil will generally be a lot hotter and will cook faster, resulting in different texture. Well it's because the highest temperature possible in cooking in water is 100 C. With cooking in oil temperature can reach to as high as 230 - 240 C.

The addition of hydrochloric acid and NH₃ (ammonia) to water does produce a buffer solution. option(C).

The addition of hydrochloric acid (HCl) and HC₆H₅O (phenol) to water does not produce a buffer solution.

Phenol is a weak acid, but it does not form a buffer solution with HCl, as the resulting solution contains only the conjugate base of phenol and the chloride ion, and does not have a sufficient amount of the conjugate acid to act as a buffer.

The addition of hydrochloric acid and NaOH (sodium hydroxide) to water also does not produce a buffer solution, as NaOH is a strong base and reacts completely with HCl to form NaCl and water.

The addition of hydrochloric acid and NH₃ (ammonia) to water does produce a buffer solution. NH₃ is a weak base, and when it is added to water containing HCl, it reacts with the H+ ions from the acid to form the ammonium ion (NH₄+) and Cl- ion.

The resulting solution contains NH₄Cl, which is a salt of a weak acid and a weak base, and acts as a buffer solution.

Therefore, the correct answer is (C) NH₃.

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There are 23 atoms of Fe in a 55.845 gram. As a result, after dividing our mass of 239 grams by the iron formula mass of 55.84 grams per bole, formol equals after calculation.

Use the millimeters to mole formula to calculate the molecular weight n, of a substance with a given mass, m, (in grams) accurately. n = m / M, where M is the substance's molar mass also known as gram-molecular weight. a substance's molecular weight expressed as a mass in grams. Example: NaCl salt weighs 58.44 grams per gram-mole. American Meteorological Society, copyright 2022.

Number of Avogadro = 6.023 × 10²³. The products of every chemical reaction are measured using the Avogadro number. 1 mole of atoms, molecules, or particles is equal to 6.023 x 1023. Calculating the number of molecules is as follows: mole number = quantity of material / mass of one mole.

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There are 23 atoms of Fe in a 55.845 gram. As a result, after dividing our mass of 239 grams by the iron formula mass of 55.84 grams per bole, formol equals after calculation.

Use the millimeters to mole formula to calculate the molecular weight n, of a substance with a given mass, m, (in grams) accurately. n = m / M, where M is the substance's molar mass also known as gram-molecular weight. a substance's molecular weight expressed as a mass in grams. Example: NaCl salt weighs 58.44 grams per gram-mole. American Meteorological Society, copyright 2022.

Number of Avogadro = 6.023 × 10²³. The products of every chemical reaction are measured using the Avogadro number. 1 mole of atoms, molecules, or particles is equal to 6.023 x 1023. Calculating the number of molecules is as follows: mole number = quantity of material / mass of one mole.

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Answer:

Mass and Volume

Explanation:

The formula for density is

\(\frac{Mass}{Volume}\)

a. substituting in the expression of C(t) obtained in part a, we get,2500 = 12000/ (1 + 12000/ 5000 - 1) * e^(-2*3*t)  we get,t = 1/ (6 * log (2)) * log (5/3)≈ 0.276 h Therefore, it would take approximately 0.276 hours to reduce this concentration into C/2.

The differential equation for the indoor concentration of the given computer industry can be given as follows: dC/dt = P (0- C) - 2C²The above differential equation can be solved by the method of separating the variables as follows: dC/ (P (0- C) - 2C²) = dtIntegrating both sides, we get,-1/ [2P log (C/ (C- P0))] + (P0/ [P (C- P0)]) - (1/ (2C)) = t + c where c is the constant of integration. After simplification, the above equation can be expressed as:C(t) = P0/ (1 + (P0/ Co - 1) e^(-2Pt))The initial particle concentration Co is the value of C at t = 0. Hence, Ce = P0/ (1 + P0/ Co - 1) which can be simplified as Ce = Co/ (1 + P0/ Co - 1) = Co/P0b. Given that Co = 5000 cm³ and C/2 = 5000/2 = 2500 cm³,

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