Gadolinium becomes ionized to gd3 when it loses electrons from which orbital(s)?

An acid-base imbalance can result in various physiological and clinical manifestations. Some of the effects of acid-base imbalances include:

1. Respiratory Acidosis: This occurs when there is an excess of carbon dioxide (CO2) in the blood due to inadequate removal through respiration. Symptoms may include hypoventilation, shortness of breath, confusion, and fatigue.

2. Respiratory Alkalosis: This condition arises when there is a decrease in carbon dioxide levels in the blood, often caused by hyperventilation. Symptoms may include rapid breathing, dizziness, lightheadedness, and tingling sensations.

3. Metabolic Acidosis: Metabolic acidosis occurs when there is an excess of acid or a deficit of bicarbonate (HCO3-) in the blood. Causes may include kidney disease, diabetes, excessive alcohol consumption, or certain medications. Symptoms may include deep and rapid breathing (Kussmaul respirations), nausea, vomiting, fatigue, and confusion.

4. Metabolic Alkalosis: This condition results from an excess of bicarbonate (HCO3-) in the blood, often caused by prolonged vomiting, use of diuretics, or excessive intake of alkaline substances. Symptoms may include muscle twitching, hand tremors, nausea, vomiting, and confusion.

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The amount of CaCO₃ that are consumed at the reaction is 6.7 grams.

Ideal gas equation will be represented PV = nRT from which we can calculate the moles of carbon dioxide, where

On putting all these values, we get

n = (1)(1.5) / (0.082)(273) = 0.0669 moles = 0.067 mol

Given chemical equation is:

CaCO₃ + 2HCl → CO₂ + CaCl₂ + H₂O

From the stoichiometry of the reaction it is clear that,

1 moles of CO₂ = produced by 1 moles of CaCO₃

0.067 moles of CO₂ = produced by 0.067 moles of CaCO₃

Now mass of CaCO₃ will be calculated as:

n = W/M, where

W = (0.067)(100) = 6.7g

Hence required mass of CaCO₃ is 6.7g.

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The difference between intramolecular and intermolecular is described below.

Intramolecular means between different parts of the same molecule while intermolecular denotes from one molecule to another i.e. between molecules.

Based on the above definition, it can be said that intramolecular forces are the forces that hold atoms together within a molecule while intermolecular forces are forces that exist between molecules.

For example, the force that holds oxygen and hydrogen atoms together in water molecule is called intramolecular force while the force that holds two water molecules together is intermolecular force.

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Answer: 6 total atoms

Explanation:

Answer:

tertiary

Explanation:

tertiary halogenoalkanes are more reactive than primary and secondary as the carbocation is more stable due to alkyl groups( have high electron density) donating electrons to stabilise the carbocation

Answer:

The corect answer would be C.

Explanation:

The flow rate set at a differentt time would be the correct measurement beecause wats and speed add up to your main answer.

Answer:

ore is naturally occuring solid material from which a metal or valuable mineral can be extracted

profitably.

Answer: d. energy must transfer to the carbon dioxide from its surroundings.

Explanation:

Sublimation is the phase change from a solid to a gas, meaning that the particles will have more kinetic energy (since particles in the solid phase are more ordered than particles in the gas phase, and thus particles in the gas phase have more energy). Thus, for sublimation to occur, the particles need more energy, which must come from its surroundings.

The new temperature of the gas inside the balloon is 63°C, that is option b is the correct answer.

To solve this problem, we can use Charles' Law formula, which states that V1/T1 = V2/T2 for a constant pressure system.

Where V1 and T1 are the initial volume and temperature, and V2 and T2 are the final volume and temperature.

Plugging in the given values, we get:

(1.90 L/21°C) = (5.70 L/T2)

Solving for T2, we get:

T2 = (5.70 L x 21.0 C) / 1.90 L

T2 = 63°C

Therefore, the new temperature of the gas inside the balloon is 63°C. The correct answer is (b)

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The solubility of mercury(II) iodide (HgI₂) in pure water is determined by its Ksp value, which is 2.9 x 10⁻²⁹.

In a 3.0 M solution of NaI, assuming (HgI₄)₂₋is the only significant species, the solubility of HgI₂can be calculated using the Ksp and K values.

The solubility of HgI2 in pure water can be calculated using its solubility product constant (Ksp). The Ksp value for HgI₂ is given as 2.9 x 10⁻²⁹. Solubility product constant represents the equilibrium constant for the dissolution of a sparingly soluble salt. By solving the equilibrium expression for HgI₂, we can determine its solubility in pure water.

In a 3.0 M solution of NaI, assuming the formation of (HgI₄)₂₋ is the only significant Hg-containing species, the solubility of HgI2 can be calculated using the Ksp and K values. The K value given for(HgI₄)₂₋ - is 6.8 x 10²⁹. By setting up an equilibrium expression considering the dissociation of HgI₂ into (HgI₄)₂₋  ions, we can determine the solubility of HgI₂in the presence of the NaI solution.

These calculations involve using the principles of equilibrium and the relationship between concentrations of dissolved species and their equilibrium constants. Solubility is defined as the maximum amount of solute that can be dissolved in a given solvent under specific conditions. By applying the relevant equilibrium expressions and values, we can determine the solubility of HgI₂ in each situation.

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Answer:

C.

Explanation:

Answer:

quantity A is mass and quantity B is wieght

Answer:

D. is correct, like the first person said

Explanation:

Answer:

0.00025 mole

Explanation:

The number of moles of a substance can be mathematically derived from the following formula

1. mass of substance (in grams)/molar mass of substance (in grams/mole)

2. molarity of substance (in mol/dm3) x volume of substance (in dm3)

In this case, the molarity and volume of NaOH are provided, hence, the second formula will be applicable.

2.5 mL of NaOH was used = 0.0025 dm3

Number of mole of NaOH that was used to neutralize the river water:

  = 0.1 x 0.0025 = 0.00025 mole

The number of mole of NaOH used to neutralize the river water is 0.00025 mole.

Answer:

EtOH stands for ethyl alcohol, which is the type of alcohol found in alcoholic beverages such as beer, wine, and spirits. It is a central nervous system depressant that can cause a range of effects, from mild relaxation to severe impairment of cognitive and motor functions. EtOH is often used in the medical and research fields as a short notation for Ethanol.

EtOH is the chemical label or acronym for ethyl alcohol (ethanol). EtOH refers to the kind of alcohol that can be found in alcoholic beverages like wine, beer, and spirits.

It is a depressant of the central nervous system that can have a variety of effects, ranging from mild relaxation to severe cognitive and motor impairment. In the medical and research industries, EtOH is frequently used as a short notation for ethanol.

It is used in the production of other chemicals, as a solvent, and in alcoholic beverages. Ethanol is a colorless, somewhat toxic substance. Solutions of ethanol and water that contain more than 50% ethanol are extremely flammable. The most well-known use of ethanol is as alcohol in alcoholic beverages.

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Answer: A cooperative is a private business organization that is owned and controlled by the people who use its products, supplies or services. Although cooperatives vary in type and membership size, all were formed to meet the specific objectives of members, and are structured to adapt to member's changing needs. hope this helps. Can u give me brainliest

Explanation:

The answer would be 200000 J. the equation for kinetic energy is 1/2 mass times velocity squared. 1/2 of 1,000 is 500. and 20*20 is 400. So, multiply 400 by 500, and that gives you your answer,

Answer:

a

3.92

Explanation:

Answer:

3.5x1024 3.5 x 10 24 carbon dioxide molecules weighs 256 g.

The redox couple with the highest (most positive) redox potential is d. plastocyanin-Cu2+/plastocyanin-Cu.

The redox couple plastocyanin-Cu2+/plastocyanin-Cu does indeed have the highest (most positive) redox potential among the options provided.

Plastocyanin is a copper-containing protein involved in electron transfer within the photosynthetic electron transport chain. Its redox potential is relatively high due to the strong oxidizing properties of copper and its ability to accept and donate electrons during the electron transfer process.

Compared to the other redox couples mentioned in the options, plastocyanin-Cu2+/plastocyanin-Cu has the highest redox potential, making it an essential component in the electron transfer process and contributing to the efficient functioning of photosynthesis.

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AMSWER IN THE ATTACHMENT.

The volume  of 5.00 M  HF that will react with 4.72  g   of  calcium hydroxide  is 0.0256 L.

volume is a mathematical quantity that defines three diamensional space.

2HF   + Ca(OH)₂ →  CaF₂ + 2H₂O

Step 1:  find the  moles  of Ca(OH)₂

moles= mass÷  molar mass

from periodic  table the molar mass of Ca(OH)₂  = 40 +( 16+1)₂= 74 g/mol

moles =  4.72 g÷  74 g/mol =0.0638   moles

Step  2:  use the  moles ratio to determine the  moles of Hf

from the equation above HF: Ca(OH)₂  is 2:1

therefore the moles of HF = 0.0638 moles x 2/1 =0.1276 moles

Step 3: find   the  volume  of HF

volume=moles /molarity

molarity =5.00 M = 5.00 mol/L

=0.1276  moles / 5.00 mol/l =0.0256 L

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Complete Question.

The complete Question is attached below

atoms

Explanation:

The reason why, Is because an atom is the smallest unit of matter which is made up of Protons, Neutrons and Electrons.

Answer:

Ionic

Explanation:

A transfer of electrons occurs when fluorine and calcium react to form an ionic compound. This is because calcium is in group two and so forms ions with a two positive charge. Fluorine is in group seven so forms ions with a negative charge.

Based on the information, the density of the body-centered cubic allotrope is 2.3625 g/cm³

The density of a crystal is given by the formula:

density = mass / volume

The mass of an atom of metal (M) is given by the molar mass divided by Avogadro's number:

mass = molar mass / Avogadro number

The volume of a face-centered cubic unit cell is given by:

volume = (4/3) * pi * r³

The volume of a body-centered cubic unit cell is given by:

volume = (8/3) * pi * r³

The density of the face-centered cubic allotrope is given by:

6.35 g/cm³ = (molar mass / Avogadro number) / (4/3) * pi * r³

= 6.35 g/cm³ * (4/3) * pi * r³

The density of the body-centered cubic allotrope is given by:

density = (molarmass / Avogadro number) / (8/3) * pi * r³

density = 6.35 g/cm³ * (3/4) * (4/3) * pi * r³ / (8/3) * pi * r³

density = 6.35 g/cm³ * (3/8) = 2.3625 g/cm³

Therefore, the density of the body-centered cubic allotrope is 2.3625 g/cm³

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Answer: 2 mol of NaOH

Explanation:

The balanced chemical equation for the reaction is:

Na2O + H2O --> 2NaOH

Looking at this, we can see that 1 mol of Na2O will react with 1 mol of H2O to produce 2 mol of NaOH

The limiting reactant is the chemical that limits the amount of product obtained from a reaction. When one of the reactants is used up, the reaction ceases, and no more products are formed.

The amount of product obtained is determined by the quantity of the limiting reactant, not the abundance of the other reactant. The limiting reactant is calculated by comparing the amount of moles of each reactant in the reaction.

The mole ratio from the balanced chemical equation indicates the stoichiometry of the reaction, which reveals the limiting reactant. We may determine the amount of moles in the reaction by utilizing the molecular weights of the reactants.

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The mass in grams of butane at standard room temperature is 53.21 grams.

The gram of an organic substance at room temperature can be determined by using the ideal gas equation which can be expressed as:

PV = nRT

1 × 22.4 L = n × (0.0821 atm*L/mol*K×  298 K)

n = 22.4/24.4658 moles

n = 0.91556 moles

Recall that:

mass of butane = 0.91556 moles × 58.12 g/mole

mass of butane = 53.21 grams

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Answer:

Antimony Borate

Explanation:

The compound name for the ion SbBO3

That would be Antimony borate

Initially we have the combination of antimony and the borate ion

Antimony has the ion Sb3+ while the borate have the ion BO3(3-)

According to IUPAC naming rules, the 3 on both ions will cancel out during combination to form a single molecule.

The difference between just a regular molecule and an ion is that while a molecule does not carry charge, an ion is charged. The positive or negative charge on an ion is what makes it different from a molecule which is not charged. Also, there must be a combination of a positive and a negative ion before we can have the formation of a molecule

Now, how it changes formula?

Although there are extensive rules but basically, a molecule is formed if there is a combination of ions.

Now, how an ion changes form in a molecule depends on the charge on the other ion

A positive ion most times come in contact with a negative ion to form a molecule.

Now, if we have the same magnitude of charge in both positive and negative sides, the charges will cancel out.

This is in the case of Antimony Borate where we had a magnitude of 3 on the positive and negative sides.

So they cancel out

In a case where this is not the case such as in the case of calcium and borate ion,

We have Calcium as Ca2+ and the borate ion as BO3(3-)

What happens here is that they switch ions and we have;

Ca3(BO3)2

Hope these helps!

Thank you