Fill in the two processes that cause each of the following transitions. Ocean to cloud and cloud to glacier

Answer:

b

Explanation: because i took the test and got a 100

A. 40 °C, small particles, stirring would cause the reaction rate to be the fastest.

To accelerate a chemical reaction several components need consideration including surface area, concentration and temperature among others.

One advantageous factor that comes with heating up a solution is that it increases overall kinetic energy- thus enables faster reactions due to increased collision frequency between particle entities- resulting in quicker reactions overall.

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Answer:

Explanation:

B

The cell potential for the given galvanic cell is +0.401 V.

The cell potential for the given galvanic cell. Here's a step-by-step explanation:

1. Identify the half-reactions: In the given galvanic cell, the half-reactions are:
  - Anode (oxidation): H2(g) → 2H+(aq) + 2e-
  - Cathode (reduction): O2(g) + 2H2O(l) + 4e- → 4OH-(aq)

2. Determine the standard reduction potentials (E°): You can find the standard reduction potentials for the half-reactions in a standard reduction potential table. For the given reactions, we have:
  - E°(H2/H+) = 0 V (as it is the reference value)
  - E°(O2/OH-) = +0.401 V

3. Calculate the cell potential (Ecell): To calculate the cell potential, use the equation Ecell = E°cathode - E°anode. In this case, it would be:

  Ecell = E°(O2/OH-) - E°(H2/H+) = +0.401 V - 0 V = +0.401 V

Therefore, the cell potential for the given galvanic cell is +0.401 V.

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Answer:

photo isn't clear, first of all click the clear photo

Answer:

b

Explanation:

Answer:

Because after increasing of temperature kinetic energy of molecules increases and reaction speed increases in forward or reverse direction.

Explanation:

Answer:

D. > 7

Explanation:

Benzoic acid, HX, is a weak acid that reacts with OH- as follows:

HX + OH- → X- + H2O

Where X- is produced, the conjugate base of benzoic acid.

As benzoic acid is a weak acid, benzoate ion is a strong base. A strong base has pH > 7. Right option is:

D. > 7

Answer:

is a

Explanation: A, because the oceanic plate and continental plate are pushed up together

Location A, because the lighter oceanic plate will be pushed under the continental plate

Answer:

is a

Explanation:



Answer:

location A

Explanation:

Plates Subduct When an ocean plate collides with another ocean plate or with a plate carrying continents, one plate will bend and slide under the other. This process is called subduction. A deep ocean trench forms at this subduction boundary.

plus location B doesn't seem to have 2 plates colliding to cause subduction in the first place.

your welcome

Based on stoichiometry and the ideal gas law, approximately 0.143 L of H₂S gas is needed to make 14.0 g of S.

To determine the volume of H₂S gas needed to produce 14.0 g of S, we need to use stoichiometry and the ideal gas law.

The balanced equation for the reaction between H₂S and SO₂ to produce S is:

H₂S + 2 SO₂ -> 3 S + 2 H₂O

From the balanced equation, we can see that 1 mole of H₂S produces 3 moles of S.

First, we need to calculate the number of moles of S produced from 14.0 g of S:

Molar mass of S = 32.06 g/mol

Number of moles of S = 14.0 g / 32.06 g/mol = 0.436 mol

Since 1 mole of H₂S produces 3 moles of S, we can calculate the number of moles of H₂S needed:

Number of moles of H₂S = 0.436 mol / 3 mol = 0.145 mol

Next, we can use the ideal gas law to find the volume of H₂S gas:

PV = nRT

Where:

P = pressure = 725 torr

V = volume (unknown)

n = number of moles of H₂S = 0.145 mol

R = ideal gas constant = 0.0821 L·atm/(mol·K)

T = temperature = 225 K

Rearranging the equation to solve for V:

V = (nRT) / P

Substituting the values:

V = (0.145 mol * 0.0821 L·atm/(mol·K) * 225 K) / 725 torr

Converting torr to atm (1 atm = 760 torr):

V = (0.145 mol * 0.0821 L·atm/(mol·K) * 225 K) / (725 torr / 760 torr/atm)

Calculating the volume:

V = 0.143 L

Therefore, the volume of H₂S gas needed to produce 14.0 g of S is approximately 0.143 L.

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The equilibrium constant of the dissociation of potassium hydrogen tartrate (KHT) is equal to the square of the bitartrate concentration due to the dissociation of KHT into two hydrogen ions (H+) and bitartrate ions (HC₄H₄O₆⁻) as shown below:

KHT ⇌ H+ + HC₄H₄O₆⁻

Here, the equilibrium constant expression for the dissociation reaction of KHT can be written as follows:

Kc = [H+] [HC₄H₄O₆⁻]/ [KHT]

As we know, KHT dissociates into two moles of bitartrate ion (HC₄H₄O₆⁻) and one mole of hydrogen ion (H+). So, after the dissociation of KHT, the concentration of the bitartrate ion (HC₄H₄O₆⁻) will be double that of the hydrogen ion (H+).

Therefore, the concentration of hydrogen ion (H+) will be equal to the square root of the concentration of bitartrate ion (HC₄H₄O₆⁻).

Hence, Kc = [H+]²[HC₄H₄O₆⁻]/ [KHT] = [HC₄H₄O₆⁻]²/ [KHT]

This is the reason why the equilibrium constant of the dissociation of KHT is equal to the square of the bitartrate concentration.

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Answer:

In a chemical reaction, products are the substances present after the reaction

Answer:   12.55 C

Explanation:

The relationship between gas volume and temperature is described by the Ideal Gas Law:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature in Kelvin.

P1V1 = nRT1 (initial conditions)

P2V2 = nRT2 (final conditions)

Since the number of moles is constant, we can set nRT1 equal to nRT2:

P1V1 = P2V2

We can rearrange this equation to solve for the final temperature:

T2 = (P1V1/T1) * V2/P2

Substituting the given values:

T2 = (1 atm * 0.675 L / 308.15 K) * (0.635 L / 1 atm)

where we converted the initial temperature of 35 C to Kelvin by adding 273.15 K.

Simplifying and solving for T2:

T2 = 285.7 K - 273.15 K

T2 = 12.55 C

Therefore, the temperature of the room where the gas has a volume of 0.635 L at 1 atm is approximately 12.55 C.

Phosphate and Tin (IV) can join in a number of different bonds. A transition metal called tin (IV), phosphate is one non-metal with which it may form covalent bonds. Numerous compounds, including Tin (IV) Phosphate, Tin (IV) Orthophosphate, Tin (IV) Pyrophosphate, and Tin (IV) Polyphosphate, can be created when Tin (IV) and Phosphate are combined.

Strong covalent connections can develop between phosphate and tin (IV). By sharing electrons between the two atoms, Tin (IV) and phosphate are able to establish a covalent connection.

The two atoms' shared electrons forge a solid link between them. As a transition metal, tin (IV) may form many bonds with phosphate. As a result, Tin (IV) and Phosphate have a very strong relationship. Tin (IV) and phosphate have a strong connection that makes it possible to form compounds.

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The balanced chemical equation of the reaction between sodium sulfate and water to form sodium hydroxide and hydrogen sulfate is as follows:

Na₂SO₄ + 2H₂O → 2Na(OH) + H₂SO₄

A chemical reaction is a process, typically involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.

A chemical equation is a symbolic representation of a chemical reaction where reactants are represented on the left, and products on the right.

According to this question, sodium sulfate and water react to form sodium hydroxide and hydrogen sulfate. The balanced chemical equation is as follows:

Na₂SO₄ + 2H₂O → 2Na(OH) + H₂SO₄

The equation is said to be balanced because the number of atoms of each element are the same on both sides of the equation.

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When potassium reacts with fluorine to from potassium fluoride one electron transfers from potassium to fluorine .

One electron from potassium is transferred to fluorine during the reaction that produces potassium fluoride.

During the electron transfer mechanism, an iron atom in the pigment of a cytochrome molecule takes an electron, reducing it; the electron is then transferred to the iron atom in the following cytochrome carrier, oxidizing the first iron atom in the chain.

The reaction between potassium and fluorine results in a net positive charge for potassium and a net negative charge for fluorine, which together balance the compound potassium fluoride.

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Answer:The energy level is three

Explanation:

LOL i just know it

Answer: it is 3

Explanation:

just trust me

The probability that an energy level is occupied by an electron if the state is above the Fermi level can be determined as follows:Probabilities, p = e(E − EF )/KTHere, E is the energy level and EF is the Fermi energy level.

The value of K is the Boltzmann constant, which is equal to 1.38 × 10−23 J/K.T is the temperature in Kelvin.

We can determine the probability of an energy level being occupied by an electron if the state is above the Fermi level by (a) kt by substituting E = EF + kt into the equation.

p = e((EF+kt)−EF)/KT = ekt/KT(b) 5KT p = e((EF+5kt)−EF)/KT = e5kt/KT(c) 10KT p = e((EF+10kt)−EF)/KT = e10kt/KT

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To determine the pH of the buffer solution, we need to consider the dissociation of the acetic acid and the acetate ion.

Given:

Mass of calcium acetate (CH3COO)2Ca = 56.86 g

Molar mass of calcium acetate (CH3COO)2Ca = 158.2 g/mol

Volume of solution = 500 mL = 0.5 L

Concentration of acetic acid = 2.0 M

Ka of acetic acid = 1.8x10^-5

First, let's calculate the moles of calcium acetate (CH3COO)2Ca:

Moles of calcium acetate = Mass / Molar mass

Moles of calcium acetate = 56.86 g / 158.2 g/mol

Next, let's calculate the concentration of the acetate ion (CH3COO-) in the solution. Since calcium acetate dissociates into two acetate ions per formula unit:

Concentration of acetate ion = (2 × Moles of calcium acetate) / Volume of solution

Now, let's calculate the initial concentration of acetic acid (CH3COOH) in the solution, which is the same as the given concentration:

Initial concentration of acetic acid = 2.0 M

Using the Henderson-Hasselbalch equation for a buffer solution:

pH = pKa + log10 ([Acetate ion] / [Acetic acid])

Now we can substitute the values into the equation to calculate the pH:

pH = -log10(1.8x10^-5) + log10 ([Acetate ion] / [Acetic acid])

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The organelle that breaks down chemicals in the cell is the lysosome.

Lysosomes are membrane-bound organelles that contain digestive enzymes that are responsible for breaking down various biomolecules, such as proteins, nucleic acids, carbohydrates, and lipids, into their constituent building blocks. These enzymes are able to break down these molecules through hydrolysis, where water is used to break the chemical bonds. Lysosomes play a crucial role in maintaining cellular homeostasis by removing unwanted or damaged cellular components, recycling macromolecules, and its defending against invading microorganisms. Dysfunction of lysosomes can lead to a variety of diseases known as lysosomal storage disorders.

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The thermometer will read -10°C after about 2.43 minutes.

(a) After four more minutes, the thermometer will read -1°C.

This is because the temperature difference between the room and outdoors is (24 - (-11)) = 35°C.

The thermometer then rises 7°C in one minute, so the thermometer is heated at 7°C/minute, i.e. 35°C in five minutes.

So the temperature of the thermometer after 4 more minutes is 7°C + 7°C + 7°C + 7°C = 28°C, 28°C - 35°C = -7°C, -7°C - 3°C = -10°C.

Thus the reading on the thermometer will be -1°C after four more minutes.

(b) To find out when the thermometer will read -10°C, use the formula:

time = (temperature difference ÷ heating rate) + time to start

       = (-10°C - 7°C) ÷ 7°C/minute + 1 minute

       = -17°C ÷ 7°C/minute + 1 minute≈ -2.43 minutes

Thus, the thermometer will read -10°C after about 2.43 minutes.

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Answer:

Hydroxyl

Explanation:

A P E X

Answer:

brass , steel,bronze are alloy that has properties of metal

Answer:

Option a is a solution acidic ([OH⁻] = 7.0x10⁻⁹ M).

Explanation:

To know if a solution is acidic we need to calculate the pH and it must be lower than 7. A value of pH equal to 7 is a neutral solution and a solution with a pH value higher than 7 is a basic solution.

a. For the [OH⁻] = 7.0x10⁻⁹ M we have:

\( pOH = -log[OH^{-}] = -log(7.0 \cdot 10^{-9}) = 8.15 \)

Now, the pH is:

\( pH + pOH = 14 \)

\( pH = 14 - pOH = 14 - 8.15 = 5.85 \)

This solution is acidic (pH < 7)

b. [H₃O⁺] = 8.5x10⁻⁸ M

\( pH = -log(8.5 \cdot 10^{-8}) = 7.07 \)

This is not an acidic solution. Is a neutral one (pH around to 7).

c. [OH⁻] = 2.5x10⁻⁶ M

\( pOH = -log[OH^{-}] = -log(2.5 \cdot 10^{-6}) = 5.60 \)

Then, the pH is:

\(pH = 14 - pOH = 14 - 5.60 = 8.40\)

Hence, this is not an acidic solution. It is basic (pH > 7).    

Therefore, option a is a solution acidic ([OH⁻] = 7.0x10⁻⁹ M).

I hope it helps you!

Answer:

reproductive activities

The findings regarding anxiety illustrates the relationship that exists between emotions and cognitive.

Anxiety simply means an intense, excessive and persistent worry and fear about situations.

Anxiety can bring about rapid breathing, fast heart rate, sweating and tiredness.

It should be noted that while very high or very low anxiety impairs performance, moderate anxiety facilitates it.

These findings illustrate the bidirectional relationship of emotion and cognitive.

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Answer:

answer three

Explanation:

Cu0 is a compound

The dot structure that can be shown to be incorrect is the dot structure that has been shown by option A

The Lewis structure is based on the concept that atoms tend to gain, lose, or share electrons in order to achieve a stable electron configuration similar to that of a noble gas. In the Lewis structure, the valence electrons of the atoms are represented as dots around the symbol of the atom.

We can see that in the dot structure that is in option A the both atoms are coming from the hydrogen atoms and shoud not be differently marked.

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The concentration of SO₃ should decrease as equilibrium is achieved by using Q, the reaction quotient.

Concentration of [SO₃] = 0.25 mol / 2.5L = 0.1M

Concentration of [SO₂] = 0.20 mol / 2.5L = 0.08M

Concentration [O₂] = 0.40 mol / 2.5L = 0.16M

The given equation is

2SO₃ --> 2 SO₂ + O₂

If we put in the concentrations into the equilibrium expression, we get

Q = { [SO2]² x [O2] } divided by [SO3]²

Q = { [0.08M]² x [0.16M]} divided by [0.1M]²

Q = 0.1024

Since Q is less than Kc, as 0.1024 < 012 then reaction should proceed further from left to right in order to achieve equilibrium. Hence, the concentration of SO₃ should decrease as equilibrium is achieved by using Q, the reaction quotient.

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The reactants and products parts of a chemical equation must be balanced.

A chemical reaction is said to be balanced when the number of atoms of each element on both sides of the equation are the same.

A chemical equation consists of the reactants and the products, hence, the number of atoms on both sides must be equal for the equation to be balanced.

Therefore, the reactants and products parts of a chemical equation must be balanced.

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Answer:

The answer is B

Explanation:

Protons and electrons have to be equal numbers for it to be neutral

Answer:b

Explanation:

Answer:

D. Malleability

Explanation:

Gold is made up of the element Au and it is a metal.

Pyrite is iron sulfide and it is a non-metal.

Dialcohol and diacid are bifunctional molecules that can be used in the synthesis of polyesters. In a polyester, the dialcohol and diacid react to form an ester bond, resulting in a long chain polymer.

Diesters can also be used in the synthesis of polyesters, as they can be hydrolyzed to form two carboxylic acid groups and two alcohol groups, which can then react to form an ester bond. Therefore, diesters are also a material used in the synthesis of polyesters.

Diamines and diacids can react to form nylon, so they are bifunctional molecules used in the synthesis of nylons. The reaction between a diamine and diacid forms an amide bond, which leads to a long-chain polymer.

Dinitro and diether are bifunctional molecules that are neither used in the synthesis of polyesters nor nylons. Dinitro compounds typically have nitro groups attached to each of the functional groups, making them more reactive and often used as explosives.

Diethers, on the other hand, can be used in organic synthesis as protecting groups for alcohols or carbonyl groups, but they do not have a direct role in the synthesis of polyesters or nylons.

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