When you react 8.59 M acetic acid with 8.59 M ethanol, the equilibrium concentration of acetic acid is 3.20 M . What is the equilibrium concentration (M) of ethyl acetate

Answer:

The radius of a hydrogen atom is 5.29 × 10⁻¹¹ m. The electric force between the single proton and the single electron of a hydrogen atom is 7.94 × 10⁻⁸ N.

[tex]F = \frac{1}{4 \pi \epsilon_{0}} \cdot \frac{q_1 q_2}{r^2}[/tex]

where,

F = Electric Force

k = Coulomb constant

r = distance of separation

Now,

[tex]F = \frac{1}{4 \pi \epsilon_{0}} \cdot \frac{q_1 q_2}{r^2}[/tex]

   [tex]= \frac{1}{4 \pi \epsilon_{0}} \cdot \frac{e^2}{r^2}[/tex]

   [tex]= \frac{1}{4 \pi\ 8.85 \times 10^{-12}} \cdot (\frac{1.6 \times 10^{-19}}{5.29 \times 10^{-11}})^{2}[/tex]

   = 7.94 × 10⁻⁸ N

Thus from the above conclusion we can say that The radius of a hydrogen atom is 5.29 × 10⁻¹¹ m. The electric force between the single proton and the single electron of a hydrogen atom is 7.94 × 10⁻⁸ N.

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Answer:

The list of quantities of components, ingredients, and materials required to produce a product is the. master schedule.

Answer:

It expands to its secluded area.

Explanation:

Any substance that is heated will have its molecules and atoms move more quickly, expanding the distance between them all. The term "expansion" is used more frequently to describe this growth in space. Heat causes all stuff, including solids, liquids, and gases, to expand.

In some cases, heating solids causes them to transform into liquids. However, they could revert to their solid state after cooling. Similar to this, certain liquids turn into gaseous states when heated. Instead of altering their condition, gases, on the other hand, frequently expand and raise the pressure inside a container.

Scientists typically blow up balloons to test the expansion of gases, exposing some to the light while leaving others at room temperature. It is demonstrated that heat causes gases to expand when balloons exposed to the sun grow in size while those at ambient temperature remain unchanged.

Answer: the temperature decreases

Explanation:

- An endothermic reaction absorbs heat which is taken from its immediate surroundings, causing the temperature to decrease

hope this helps :)

Answer:

2c 1s

Expination: it came by there are 2carbon and 1sulphur

Answer:

2c1s

Explanation:

2c1s make me brainlist

Answer:

A.) PCl₅

Explanation:

To determine the empirical formula, you need to (1) identify the atomic masses of both elements (from the periodic table), then (2) convert each element from grams to moles (via atomic masses), then (3) divide both elements by the smallest molar value of both, and then (4) construct the empirical formula.

(Step 1)

Atomic Mass (P): 30.974 g/mol

Atomic Mass (Cl): 35.453 g/mol

(Step 2)

 3.72 g P           1 mole
---------------  x  ------------------  =  0.120 mole P
                         30.974 g

21.28 g Cl             1 mole
-----------------  x  -------------------  =  0.600 mole Cl
                            35.453 g

(Step 3)

Because 0.120 mole is smaller than 0.600 mole, you need to divide both elements by this value to determine the ratio of the elements in the empirical formula.

0.120 mole P / 0.210 mole = 1.00 mole P

0.600 mole Cl / 0.210 mole = 5.00 moles Cl

(Step 4)

The molar value of each element represents the amount of each element in the formula. This value shows itself in the form of subscripts in the formula. This makes the correct empirical formula:

PCl₅

The concentration of the solute is directly proportional to the osmolarity of the solution and osmotic pressure.

Thus, the concentration of the solute directly proportional to the osmolarity of the solution and osmotic pressure.

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Answer:

The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles C3H8, or 44.09562 grams

In a sample consisting of 2.50 g of methane (CH4), there are 4.5 × 10²³ atoms present.

To calculate the number of moles it is expressed as

Number of moles = [tex]\frac{\text{Given mass}}{\text{Molar mass}}[/tex]

                             = [tex]\frac{2.50\ g}{16\ g/mol}[/tex]

                             = 0.15 mol

1 mole of methane contains 6.022 × 10²³ molecules

0.15 mole of methane will contain

= [tex]\frac{0.15 \times 6.022 \times 10^{23}}{1}[/tex]

= 0.9 × 10²³ molecules

=  0.9 × 10²³ × 5 atoms

= 4.5 × 10²³ atoms of methane

Thus from the above conclusion we can say that In a sample consisting of 2.50 g of methane (CH4), there are 4.5 × 10²³ atoms present.

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The arrow that will represent the phase change that involves the same amount of energy as arrow 1 will be arrow 4.

Arrow 1 represents a phase change from liquid to gas while arrow 4 represents a phase change from gas to liquid.

In other words, arrow 1 and arrow 4 are direct opposites of one another,

This means that if X amount of energy is required for arrow 1, the same amount of energy will be needed for arrow 4 but in the reverse direction.

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Answer:

The correct answer would be option C. 4!

Explanation:

Hope this helped confirm :)

I just got this question right on Edge :P

Answer:

B. The products are nuclei of elements that are different from the original elements.

A sample of an ideal gas has a volume of 2.30 L at 281 K and 1.02 atm. 1.76 atm is the pressure when the volume is 1.41 L and the temperature is 298 K.

This law combined the three gas laws that is (i) Charle's Law (ii) Gay-Lussac's Law and (iii) Boyle's law.

It is expressed as

[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]

where,

P₁ = first pressure

P₂ = second pressure

V₁ = first volume

V₂ = second volume

T₁ = first temperature

T₂ = second temperature

Now put the values in above expression we get

[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]

[tex]\frac{1.02\ atm \times 2.30\ L}{281\ K} = \frac{P_2 \times 1.41\ L}{298\ K}[/tex]

[tex]P_{2} = \frac{1.02\ atm \times 2.30\ L \times 298\ K}{281\ K \times 1.41\ L}[/tex]

P₂ = 1.76 atm

Thus from the above conclusion we can say that A sample of an ideal gas has a volume of 2.30 L at 281 K and 1.02 atm. 1.76 atm is the pressure when the volume is 1.41 L and the temperature is 298 K.

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Answer:

Group C

Explanation:

Precision is how close the values are to each other

The temperature is 370K.

The volume of a given fuel pattern is immediately proportional to its absolute temperature at regular pressure (Charles's law). The volume of a given amount of fuel is inversely proportional to its pressure whilst temperature is held steady (Boyle's regulation).

Density is immediately proportional to stress and indirectly proportional to temperature. As stress increases, with temperature constant, density will increase. Conversely when temperature increases, with strain regular, density decreases.

The equations describing those legal guidelines are unique cases of the best gasoline regulation, PV = NRT, wherein P is the pressure of the gas, V is its extent, n is the number of moles of the gas, T is its kelvin temperature, and R is the ideal (common) gas constant.

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Answer:

C: Object 1 is moving, and Object 2 is not moving

Explanation:

Object one has unbalanced forces, so it can cause it to start moving ,since one force is moving stronger than its opposing one, but since Object 2 has balanced forces both forces hold it in place.

Taking into account the reaction stoichiometry, 5.33 moles of NH₃ are formed from the complete reaction of 16 grams of H₂.

In first place, the balanced reaction is:

N₂ + 3 H₂ → 2 NH₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

The following rule of three can be applied: if by reaction stoichiometry 6 grams of H₂ form 2 moles of NH₃, 16 grams of H₂ form how many moles of NH₃?

[tex]moles of NH_{3}= \frac{16 grams of H_{2} x2moles of NH_{3}}{6 grams of H_{2}}[/tex]

moles of NH₃= 5.33 moles

Then, 5.33 moles of NH₃ are formed from the complete reaction of 16 grams of H₂.

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Answer:

letter to your mother telling her about the celebrations of your birthday at school

The specific heat of the unknown metal is 0.859 J/g⁰C.

Heat lost by the unknown metal = Heat gained by water

m₁c₁Δθ₁ = m₂c₂Δθ₂

where;

(15)(c₁)(99 - 26) = (75)(4.18)(26 - 23)

1095c₁ = 940.5

c₁ = 940.5/1095

c₁ = 0.859 J/g⁰C

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c) remains the same

In a substitution reaction, number of electrons remain the same.

When one functional group in a chemical molecule is replaced by another functional group, the chemical reaction is known as a substitution reaction.

It is also known as single displacement reaction or single replacement reaction.

Example: Iodoethane and water are produced when hydrogen iodide and ethanol combine.

                             CH₃CH₂OH + HI → CH₃CH₂I + H₂O

In this reaction OH is substituted or replaced by I giving CH₃CH₂I.

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The overall balanced reaction equation is;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

The redox reaction equation is said to be balanced when the number of electron gained is equal to the number of electrons lost.

Now;

1. Reduction and oxidation half-reactions

Zn(s) -----> Zn^2+(aq) + 2e

And

NO3^-(aq) ---->NH4^+(aq) + 3H2O(l)

2. Using the H2O and H+ to balance O and H;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

3. Balancing the electrons lost and gained; 4Zn(s) + 10H^+(aq) + NO3^-(aq) + 8e -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l) + 8e

4. The overall balanced reaction equation is;

4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)

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The molarity of the stock solution is 7.5 * 10 ^- 6 M.

Molar attention is a measure of the awareness of a chemical species, especially of a solute in an answer, in terms of the quantity of substance consistent with the unit quantity of the answer. In chemistry, the maximum generally used unit for molarity is the range of moles according to liter, having the unit symbol mol/L or mol/dm³ in the SI unit.

Molarity (M) is the quantity of a substance in a positive volume of answer. Molarity is described because the moles of a solute in step with liters of an answer. Molarity is also called the molar awareness of a solution.

Molarity is defined as the range of moles of solute consistent with the liter of answer. Molality is described because of the number of moles of solute per kilogram of solvent. Normality is described as the variety of equivalents in line with the liter of answers.

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The type of radiation in this scenario is Beta and is denoted as option C.

This is a high-speed electron which is emitted when the nucleus undergoes a radioactive decay during the process of beta decay.

In this scenario the electron is denoted as e with a superscript and subscript of 0 and -1 respectively which is the reason for the change from carbon to nitrogen.

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Which bomb was created as a part of the manhattan project?

The manhattan project was responsible for the creation of the atomic bomb.

What was the manhattan project?

The first nuclear weapons were created as a result of the Manhattan Project's research and development efforts during World War II. With the help of the United Kingdom and Canada, it was spearheaded by the United States. Major General Leslie Groves of the U.S. Army Corps of Engineers oversaw the project from 1942 to 1946. Robert Oppenheimer, a nuclear physicist, served as the lab's director and was responsible for the actual bomb's design, the atomic bomb.

As the Army's first headquarters were located in Manhattan, the project's Army component was given the moniker Manhattan District, gradually replacing the official codename for the entire project, Development of Substitute Materials. The project eventually absorbed Tube Alloys, its previous British counterpart. The Manhattan Project started out small in 1939, but it eventually employed over 130,000 people and cost close to US$2 billion (about $23 billion in 2020). Less than 10% of the cost went toward the design and production of the weapons, with more than 90% going toward the construction of factories and the production of fissile material. More than thirty locations in the United States, the United Kingdom, and Canada were used for research and production.

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The complete chemical formula for the unknown compound will be  [tex]C_2H_6[/tex]

The chemical formula of the compound is  [tex]C_2H_x[/tex] and x is supposed to be a whole number.

In the analysis, C = 2.22 moles and H = 6.7 moles

Dividing both by the smallest: C = 1 and H = 3

Thus, the empirical formula of the compound will be [tex]CH_3[/tex]

But since the compound is  [tex]C_2H_x[/tex], it means both C and H are multiplied by 2.

The chemical formula will, therefore, be [tex]C_2H_6[/tex]

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The mass of [tex]Na_2CrO_4[/tex] required will be 0.6075 g.

Calculation of mass:

The reaction:

[tex]Na_2CrO_4 + 2AgNO_3 \rightarrow Ag_2CrO_4 + 2NaNO_3[/tex]

Volume of [tex]AgNO_3[/tex] = 75 mL

Concentration of [tex]AgNO_3[/tex] = 0.100 M

Step 1:

Molarity is moles of solute in 1000 mL of the solution.

[tex]M=\frac{n}{V}\times 1000\\\\ n=\frac{M\times V}{1000} \\\\n=\frac{0.100\times 75}{1000}\\\\n= 0.0075[/tex]

Moles of [tex]AgNO_3[/tex] = 0.0075

Step 2:

From the above equation,

2 moles of [tex]AgNO_3[/tex] is precipitated by 1 mole of [tex]Na_2CrO_4[/tex]

So, 0.0075 moles will be precipitated by-

[tex]\frac{1}{2}\times 0.0075[/tex] moles of [tex]Na_2CrO_4[/tex]

= 0.00375 moles of [tex]Na_2CrO_4[/tex]

Step 3:

[tex]mole=\frac{Given \,weight}{Molar\, mass} \\[/tex]

Molar mass of [tex]Na_2CrO_4[/tex] = 162 g/mol

[tex]0.00375=\frac{x}{162} \\x= 0.00375\times 162\\x= 0.6075 g[/tex]

So, Mass of [tex]Na_2CrO_4[/tex] required will be 0.6075 g.

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Answer:

26.81 moles

Explanation:

From the coefficients of the equation, we know that for every 2 moles of iron(III) oxide produced, 7 moles of oxygen are consumed.

So, the answer is 7.66(7/2), which is 26.81 mol.

Answer:

Answer:

true

Explanation:

your answer is ture

The statement is true: the force of attraction between particles is greater in ice than in water.

The force of attraction between particles (molecules or atoms) is greater in ice than in water. In the solid state, such as in ice, the particles are closely packed in a regular crystalline structure. The intermolecular forces, specifically hydrogen bonding between water molecules, are strong, leading to a higher force of attraction.

In contrast, in the liquid state, such as in water, the particles have more freedom of movement. The intermolecular forces are still present but are weaker compared to the solid state, resulting in a lower force of attraction between the particles.

Therefore, the statement is true: the force of attraction between particles is greater in ice than in water.

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