In terms of numbers of reactant and product substances, which organic reaction type corresponds to (c) a displacement reaction?

According to the ideal gas law, the relationship between the pressure, volume, and temperature of a gas is given by the equation PV = nRT, where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature of the gas in Kelvin.

If we have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.0 °C, we can calculate the temperature of the gas if we decrease the volume of the gas to 2.4 and decrease the pressure to 3.0 atm by rearranging the ideal gas law equation as follows:

T = (PV) / (nR)

In this equation, T represents the temperature of the gas, P represents the pressure of the gas, V represents the volume of the gas, n represents the number of moles of gas, and R represents the ideal gas constant.

Plugging in the values from the problem into the equation, we get:

T = (5.0 atm * 2.9 L) / (n * 0.08206 L*atm / mol*K)

T = (14.5 L*atm) / (n * 0.08206 L*atm / mol*K)

T = (14.5 L*atm) / (n * 0.08206 L*atm / mol*K)

T = 177.2 K

Therefore, if we have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.0 °C, and we decrease the volume of the gas to 2.4 and decrease the pressure to 3.0 atm, the temperature of the gas will be 177.2 K.

Answer: Do understand building blocks of life, develop medicines, and so on.

Answer:

Chemistry is essential for meeting our basic needs of food, clothing, shelter, health, energy, and clean air, water, and soil.

Explanation:

Answer:

47,070J

Explanation:

Because we use the formula

Eh= m×c×∆T

Which is energy required equals mass times specific heat capacity times change in tempreture (final temp - initial temp )

What is the position of alkali metals in the Modern periodic table.

They are placed in the IA group, which is the first column on the left side of the periodic table.

Alkali metals are placed on the first column (IA)

(lithium, sodium, potassium, rubidium, cesium, francium)

Answer: 2510

Explanation: Hope this Helps

Answer:

Volume = 190.8

Answer:

n = 2.1 mol

Explanation:

Given data:

Number of moles of gas = ?

Volume of gas = 56.3 L

Pressure of gas = 0.899 atm

Temperature of gas = 20°C (20+273 = 293 k)

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

0.899 atm × 56.3 L  = n × 0.0821 atm.L/ mol.K  × 293 k

50.614 atm.L = n × 24.055 atm.L/ mol

n = 50.614 atm.L / 24.055 atm.L/ mol

n = 2.1 mol

The chemical equation for the reaction of CoCl2 and K3PO4 is as follows:

\(CoCl_2 + K_3PO_4 ---- > Co_3(PO_4)_2 + 2 KCl\)

According to the equation, 2 moles of KCl are formed when 1 mole of \(CoCl_2\)interacts with 3 moles of \(K_3PO_4\). Once the declared masses of \(CoCl_2\) and \(K_3PO_4\) have been converted to moles, the amount of KCl produced must be calculated using the mole ratio.

Molar mass of CoCl₂ = 129 g/mol

Molar mass of K3PO4 = 212 g/mol

Number of moles of CoCl₂ = 43.5 g / 129 g/mol = 0.3372 mol

Number of moles of K3PO4 = 50.0 g / 212 g/mol = 0.2358 mol

The balanced equation states that when 1 mole of \(CoCl_2\) interacts with 3 moles of \(K_3PO_4\), 2 moles of KCl are formed. \(K_3PO_4\) is the limiting reactant in this scenario because we don't have enough to meet the mole ratio requirements.

We can estimate the amount of KCl produced using the mole ratio:

3 moles of K3PO4 are converted into 2 moles of KCl.

(3/2) moles of K3PO4 yield 1 mole of KCl.

Number of moles of KCl produced = (3/2) x 0.2358 mol = 0.3537 mol

Finally, we can convert the moles of KCl to grams:

Molar mass of KCl = 74.55 g/mol

Mass of KCl produced = 0.3537 mol x 74.55 g/mol = 26.36 g

Therefore, mixing 43.5 g of CoCl₂ with 50.0 g of K3PO4 will produce 26.36 g of KCl.

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False. The net number of spheres in the face-centered cubic (FCC) unit cell is not 4. In fact, the FCC unit cell consists of a total of 14 spheres.

In the face-centered cubic structure, each corner of the unit cell contains a sphere, and there are eight corners in total. Since each corner is shared by eight adjacent unit cells, the contribution of each corner to the net number of spheres is 1/8. Therefore, the total contribution from the corners is 8 * (1/8) = 1. Additionally, each face of the FCC unit cell also contains a sphere located at its center. There are six faces in total, and each face contributes 1 sphere. So the total contribution from the faces is 6. Combining the contributions from the corners and faces, we have 1 (from corners) + 6 (from faces) = 7. However, since the unit cell is three-dimensional, we need to account for the spheres within the unit cell itself. The center sphere is not shared with any neighboring unit cells, so it counts as a full sphere. Therefore, the total number of spheres in the FCC unit cell is 7 + 1 = 8. In summary, the net number of spheres in the face-centered cubic unit cell is 8, not 4.

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Answer:

B

Explanation:

Answer:

Explanation:

(a) C5H5N(aq)+H2O(l)⇌C5H5NH+(aq)+OH−(aq)

The coefficient for OH- (aq) in the balanced equation in basic aqueous solution is 12.

To balance this equation in basic aqueous solution, we first balance the atoms that are not hydrogen or oxygen. We start by balancing the Fe atoms on both sides, which requires multiplying Fe2+ on the reactant side by 3 to get 3Fe2+. Next, we balance the Mn atoms on both sides, which requires multiplying MnO4- on the reactant side by 2 to get 2MnO4-.
The balanced equation in basic solution is:
2MnO4- + 6Fe2+ + 8OH- → 2Mn2+ + 6Fe3+ + 4H2O
To find the coefficient for OH- (aq), we look at the number of OH- ions on both sides of the equation. On the reactant side, there are 8 OH- ions. On the product side, there are 4 H2O molecules, each of which contains 2 H+ ions and 1 OH- ion, so there are a total of 8 H+ ions and 4 OH- ions.
To balance the OH- ions, we add 4 OH- ions to the reactant side to get a total of 12 OH- ions, and the balanced equation in basic solution is:
2MnO4- + 6Fe2+ + 12OH- → 2Mn2+ + 6Fe3+ + 4H2O
Therefore, the coefficient for OH- (aq) in the balanced equation in basic aqueous solution is 12.

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Answer:

b) electrons are shared in a covalent bond

Explanation:

remember for ionic bonding, it occurs between a metal and a non-metal, we know that the metal donates electrons to the non-metal while the non-metal is the receiver.

the reason why the metal donates electron is usually because it has between 1-3 electrons on its valence shell and therefore there is a weaker attraction of the positive nucleus to the outermost electrons hence why it is readily donated.

the opposite occurs for the non-metals hence why it readily accepts electrons to become stable

In a primitive cubic arrangement, each unit cell contains one composite atom.

Here's a step-by-step explanation:

1. In a primitive cubic arrangement, there is one atom at each corner of the unit cell.
2. Each corner atom is shared by 8 adjacent unit cells.
3. Therefore, the contribution of each corner atom to a single unit cell is 1/8 (since it is shared by 8 cells).
4. Since there are 8 corner atoms in total, their combined contribution to a single unit cell is 8 * (1/8) = 1 composite atom.

So, there is 1 composite atom contained in a unit cell of a primitive cubic arrangement.

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The balanced net ionic equation is:

Ag⁺(aq) + ClO₄⁻(aq) + Al³⁺(aq) + 3Cl⁻(aq) → AgCl(s) + AlCl₃(aq)

The balanced net ionic equation for the reaction between silver perchlorate and aluminum chloride in aqueous solution is shown above. In this reaction, the silver ion (Ag⁺) and perchlorate ion (ClO₄⁻) from silver perchlorate (AgClO₄) react with the aluminum ion (Al³⁺) and chloride ion (Cl⁻) from aluminum chloride (AlCl₃) to form solid silver chloride (AgCl) and aluminum chloride in aqueous solution (AlCl₃).

The net ionic equation shows only the species that participate in the reaction and are involved in the formation of the product (AgCl), while the spectator ions (Cl⁻ and Al³⁺) are omitted.

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The coefficient for the water molecule product in the balanced equation for the oxidation of ethanol with KMnO₄ is 3.

The balanced equation for the oxidation of ethanol (C₂H₅OH) with potassium permanganate (KMnO₄) under mild acidic conditions to yield acetic acid (CH₃COOH) and manganese dioxide (MnO₂) is as follows:

3 C₂H₅OH + 2 KMnO₄ + 3 H₂SO₄ → 3 CH₃COOH + 2 MnO₂ + K₂SO₄ + 3 H₂O

In this reaction, the coefficient for the water molecule (H₂O) product is 3. The oxidation process involves the transfer of electrons from ethanol to the potassium permanganate, resulting in the formation of acetic acid and the reduction of the Mn(VII) ion to Mn(IV), which precipitates as MnO₂. The mild acidic conditions are provided by the presence of sulfuric acid (H₂SO₄).

The balanced equation ensures that the number of atoms for each element on both sides of the equation remains equal, complying with the law of conservation of mass. The coefficients in the equation represent the stoichiometric ratios of the reactants and products involved in the reaction.

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Answer:

Sure, with what?

Ps- Just to increase word count

Answer:

the answer is over water D

Answer: SnO2 + 2 H2 = Sn + 2 H2O

Explanation: I used a balance equation website. It's called WebQC if you want to check it out for future help.

In Linear molecular geometry, the bond angle is 90°, in trigonal pyramidal geometry, bond angle is 107°, in trigonal planar geometry, bond angle is 120° and in tetrahedral, the bond angle is 109.5°.

In the linear geometry, the central atom has two side atoms attached which are at and bond angle of 180°.

In trigonal pyramidal geometry, the central atom has four side atoms which resembles a pyramid like structure. The bond angle between the two consecutive side atoms is 107°.

In trigonal planar geometry, three atoms are attached on the sides of central atom. The bond angle between these side atom is equal and of 120°.

In Tetrahedral geometry, the central atom and the side atoms makes a triangular prism like structure, the bond angle between side atoms is 109.5°.

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Answer:

When you balance a chemical equation you change coefficients.You never change subscripts. A coefficient is a whole number multiplier. To balance a chemical equation you add the coefficients to make sure there are the same number of atoms on each side of the arrow.

Explanation:

Hope this helps. MARK BRAINLEST!!

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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Adding more A or more Y will have no effect on the rate, adding more B will increase the rate and adding more AB or an inhibitor will have no effect on the rate.

To determine the effect of adding different substances to a solution containing 1.0 M Y and 0.7 M AB, we need to consider their potential interactions and the reaction conditions.

1. More A: It depends on the specific reaction and the role of A. If A is a reactant or a catalyst that promotes the reaction, adding more A can increase the rate. However, if A is an inhibitor or has no influence on the reaction, the rate may remain unchanged (option 3).

2. More B: Similar to the previous case, the effect depends on the role of B in the reaction. If B is a reactant or a catalyst, adding more B may increase the rate. Conversely, if B inhibits the reaction or has no impact, the rate may not change (option 3).

3. More AB: If AB is a reactant, increasing its concentration can potentially increase the rate (option 1). However, if AB is a product or does not actively participate in the reaction, the rate may remain unchanged (option 3).

4. Inhibitor: Adding an inhibitor typically decreases the rate of a reaction (option 2). Inhibitors are substances that reduce the activity of catalysts or interfere with the reaction mechanism, slowing down the overall process.

5. More Y: Adding more Y, which is already present in the solution, may not have a significant effect on the reaction rate (option 3), especially if Y is not directly involved in the reaction or does not act as a catalyst.

The specific outcome for each case would depend on the nature of the reaction and the specific properties of the substances involved.

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We need 1.68 L of concentrated (14.7 M) phosphoric acid to prepare 25.0 L of 3.0 M H3PO4.

To prepare 25.0 L of 3.0 M H3PO4, we can use the formula:

M1V1 = M2V2

Where M1 = concentrated phosphoric acid (14.7 M)

V1 =  (the volume of concentrated phosphoric acid needed)

M2 = 3.0 M

V2 => 25.0 L

We can solve for V1 by substituting the values into the formula and rearranging:

V1 = (M2V2) / M1

V1 = (3.0 M * 25.0 L) / 14.7 M

V1 = 1.68 L

So, we need 1.68 L of concentrated (14.7 M) phosphoric acid to prepare 25.0 L of 3.0 M H3PO4.

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Answer:

Alkalis form chemical salts when they are combined with acids. e.g Sodium hydroxide  ,Potassium hydroxide  and Ammonia

Explanation:

Answer:

a substance which is alkali is a base that is soluble in water.an example is sodium hydroxide.

Answer:

Products: Ethyl butanoate + Water ||| C6H12O2 + H2O

This Compound is an Ester

Explanation:

So I assume that this question is an esterification question for a few reasons.

1. Since there is a Carboxylic acid and Alcohol reacting, it automatically means that it is esterification.

2. Sulphuric Acid is used as a catalyst so it won't affect this question in any way.

* Water is formed since you'd remove H from the Alcohol's Hydroxyl group, and when you remove an OH from the carboxyl group in the carboxylic acid.

Hopefully, this helped but since I don't have much context, I had to assume that you are doing Chemistry 30, Organic Chemistry.

Answer:

B. That energy can only be converted between different forms

Explanation:

The law of conservation of energy implies that energy can only be converted between different forms but can neither be created nor destroyed.

Energy is the ability to do work. It is very important physical quantity that is essential to all life forms.

Energy according to the law of conservation of energy is not produced neither is it destroyed.

Energy is simply transformed from one form to another.

Answer:

The objects should be far apart. There must be air circulation. The objects need to be touching. Solar energy is required.

Explanation: