write a net ionic equation for the overall reaction that occurs when aqueous solutions of sodium hydroxide and oxalic acid

The metal having the greater capacity for specific heat. A metal with a higher heat capacity will take more energy to raise its temperature by one temperature unit.

As a result, the heat capacity of two objects constructed of the same material but of different masses will vary. This is so because while specific heat is a property of every object constructed of the same material, heat capacity is a property of an object.

The metal with the highest specific heat will see the smallest temperature change.

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The salt produced in the neutralization reaction between NH₄OH and HNO₃ is NH₄NO₃ (ammonium nitrate).

A neutralization reaction is a reaction between an acid and a base to form salt and water. The cation of the salt will come from the base while its anion will come from the acid.

Let's consider the neutralization reaction between NH₄OH and HNO₃. The formed salt will be ammonium nitrate.

NH₄OH + HNO₃ ⇒ NH₄NO₃ + H₂O

The salt produced in the neutralization reaction between NH₄OH and HNO₃ is NH₄NO₃ (ammonium nitrate).

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The order of elution for the given amino acids from a cation exchange column at neutral pH is: Leu, Glu, Arg.

The elution order of amino acids from a cation exchange column depends on the net charge of the amino acid at the pH of the elution buffer. At neutral pH, the carboxyl group (-COOH) of amino acids is not fully ionized, while the amino group (-NH3+) is fully ionized, resulting in a net positive charge for the amino acid.

Among the given amino acids, leucine (Leu) is a nonpolar amino acid and does not have any ionizable side chains. Therefore, it does not have any net charge at neutral pH and will not bind to the cation exchange column. It will pass through the column and elute first.

Arginine (Arg) is a basic amino acid with a positively charged guanidinium group (-NH=C(NH2)2) in its side chain. At neutral pH, the guanidinium group is fully ionized, resulting in a net positive charge. Therefore, Arg will bind to the cation exchange column through ionic interactions and will elute last.

Glutamate (Glu) is an acidic amino acid with a negatively charged carboxyl group (-COO-) in its side chain. At neutral pH, the carboxyl group is only partially ionized, resulting in a net negative charge. Therefore, Glu will have a weaker interaction with the cation exchange column compared to Arg and will elute in between Leu and Arg.

Therefore, the order of elution for the given amino acids from a cation exchange column at neutral pH is: Leu, Glu, Arg.

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Answer:

hypothesis

Explanation:

It is called hypothesis because it will be proven or not.

Answer:  2.36 grams

Explanation:   One molecule of NaCl has an atomic mass of 58.4 amu.  That consists of one atom each of sodium (23 amu) and chlorine (35.4 amu).

Na  23                     (23/58.4)    = 0.3934

Cl   35.4                  (35.4/58.4) = 0.6066

      58.4 amu

For Na:  (6 grams)*(0.3934) = 2.36 grams

Answer: The air molecules move closer together.

Explanation:

Answer:

a or c

Explanation:

Answer:

a. move faster

Explanation:

There would be more of the bicarbonate ion present in the solution at low pH.

We know that the pH has to do with the degree of the acidity of the alkalinity of a given solution. We know that carbonic acid can be able to dissociate in solution via a reversible reaction.

In this case, when the pH is low, we know that there would now be more of the bicarbonate ion as the acid would  begin to dissociate so as to counter the constraint of the pH that has been imposed on the system.

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The example of a reaction to which Markovnikov's rule applies is: CH₂=CH-CH₂-CH₃ + HBr → CH₂Br-CH₂-CH₂-CH₃

In this reaction, the hydrogen atom from HBr adds to the carbon atom with the fewer alkyl substituents (less substituted carbon), while the bromine atom adds to the carbon atom with more alkyl substituents (more substituted carbon). This follows Markovnikov's rule, which states that in the addition of a protic acid (such as HBr) to an asymmetrically substituted alkene, the hydrogen atom adds to the less substituted carbon and the other atom adds to the more substituted carbon.

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25.0 ml of a 0.188 m h2so4 solution must be neutralized with 46.3 ML (in ml) of a 0.203 m sodium hydroxide solution. In the process of making chlorine, sodium hydroxide is created as a byproduct.

It is crystalline, colourless, and solid in its purest form. These sodium cations and hydroxide anions make up this extremely water-soluble molecule known as sodium hydroxide. Chemical element chlorine has the symbol Cl and atomic number 17. It is the second-lightest halogen, and although it is between fluorine and bromine on the periodic table, most of its properties fall somewhere in the middle. Is called chlorine.

H2SO4 millimoles equal 0.188*25.0 = 4.70mmol NAOH millimoles equal 4.70*(2/1) = 9.40mmol in a volume of 0.203M NAOH equals 9.40*(1/0.203) = 46.3 ML.

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Answer:

electrons

Explanation:

The group number tells you the number of electrons in the element's outer shell (or valence shell).

Extra info: Elements with the same number of electrons on their outer shell are grouped together in the periodic table because they have similar properties.

Hope this helps!

a hydrogen atom is in the 5p state.

(a) The energy of the hydrogen atom in the 5p state can be determined using the formula for the energy of a hydrogen atom:

E = -13.6 eV / n^2

where n is the principal quantum number. In this case, the principal quantum number is 5 since the atom is in the 5p state. Plugging in the value of n, we can calculate the energy:

E = -13.6 eV / 5^2

E = -13.6 eV / 25

(b) The angular momentum of the hydrogen atom in the 5p state can be determined using the formula:

L = √[l(l + 1)]ħ

where l is the azimuthal quantum number and takes integer values from 0 to (n - 1). In this case, since the atom is in the 5p state, the azimuthal quantum number l is 1. Plugging in the value of l, we can calculate the angular momentum:

L = √[1(1 + 1)]ħ

L = √[2]ħ

(c) The quantum number l represents the orbital angular momentum of the electron and can take integer values from 0 to (n - 1). In this case, since the atom is in the 5p state, the quantum number l is 1.

(d) The magnetic quantum number m represents the projection of the angular momentum along a particular axis and can take values from -l to +l. In this case, since the quantum number l is 1, the possible values of m are -1, 0, and +1.

(a) The energy of the hydrogen atom in the 5p state can be calculated as -13.6 eV / 25, which yields a specific value. This energy value represents the level at which the electron is bound to the hydrogen atom in the 5p orbital.

(b) The angular momentum of the hydrogen atom in the 5p state is determined by the azimuthal quantum number, which in this case is 1. By plugging in the value of l into the formula, we can calculate the angular momentum as √[2]ħ. This value represents the magnitude of the angular momentum of the electron in the 5p orbital.

(c) The quantum number l signifies the orbital angular momentum of the electron and can range from 0 to (n - 1). In the case of the hydrogen atom in the 5p state, the quantum number l is 1, indicating that the electron occupies a p-type orbital.

(d) The magnetic quantum number m represents the projection of the angular momentum along a particular axis. For the hydrogen atom in the 5p state with a quantum number l of 1, the possible values of m are -1, 0, and +1. These values denote the different orientations of the electron's angular momentum in the 5p orbital.

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Answer:

The correct answer would be C) Support

Explanation:

The pH of a substance can be found by using the formula

\(pH = - log[ H^{ + } ]\)

where [ H+ ] is the hydrogen ion concentration in the substance

From the question

[ H+ ] = 2.1 × 10-¹² M

To find the pH substitute the value into the above formula

We have

\(pH = - log(2.1 \times {10}^{ - 12} ) \\ = 11.6777807 \: \: \: \: \: \: \)

We have the answer as

The solution is basic since it lies in the basic region that is from 8 to 14

Hope this helps you

Answer:

basic

Explanation:

because H is hydrogen

The partial pressure of N₂ is 3.75 atm, the partial pressure of O₂ is 2.50 atm, and the partial pressure of CO₂ is 1.25 atm in the given mixture at 25 °C and a total pressure of 10.0 atm.

To calculate the partial pressure of each gas in the mixture, we can use the concept of Dalton's law of partial pressures. According to this law, the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of each individual gas.

First, we need to find the mole fraction of each gas in the mixture. The mole fraction of a gas is the ratio of the number of moles of that gas to the total number of moles in the mixture. We can calculate the mole fraction using the following formula:

Mole fraction (X) = Moles of gas / Total moles of all gases

For N₂:

Mole fraction of N₂ (X_N₂) = 3.00 mol / (3.00 mol + 2.00 mol + 1.00 mol) = 0.375

For O₂:

Mole fraction of O₂ (X_O₂) = 2.00 mol / (3.00 mol + 2.00 mol + 1.00 mol) = 0.250

For CO₂:

Mole fraction of CO₂ (X_CO₂) = 1.00 mol / (3.00 mol + 2.00 mol + 1.00 mol) = 0.125

Next, we can use the mole fractions to calculate the partial pressures of each gas. The partial pressure of a gas is equal to the mole fraction of that gas multiplied by the total pressure of the mixture.

Partial pressure of N₂ (P_N₂) = X_N₂ * Total pressure = 0.375 * 10.0 atm = 3.75 atm

Partial pressure of O₂ (P_O₂) = X_O₂ * Total pressure = 0.250 * 10.0 atm = 2.50 atm

Partial pressure of CO₂ (P_CO₂) = X_CO₂ * Total pressure = 0.125 * 10.0 atm = 1.25 atm

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Answer:

112 kelvin

Explanation:

Volume = 4.00L

no of moles = 0.297

Pressure = 0.910 atm

Temperature = ?

Given our R (Molar gas constant ) = 0.082

Given the following parameters , This question is based on IDEAL GAS LAW.

IDEAL GAS LAW = PV =nRT

\(PV = nRT\\Lets make T the subject of the formula\\T = \frac{PV}{nR} T = \frac{ 0.910 * 4.00}{0.397*0.082 }\\\\T = 3.64/0.032554\\T = 111.8142\\T = 112 Kelvin\\\)

To make 1 liter of a 10% NaCl solution from a solid stock, you will require the following materials and containers.MaterialsSolid NaClDistilled water1-Liter volumetric flask250-mL volumetric flask 2-beakersProcedureTo prepare 1 liter of a 10% NaCl solution, the following procedure should be followed:Measure out 100g of NaCl using a balance.

Measure the weight of an empty 250-mL volumetric flask.Add the NaCl to a 250-mL beaker and add a small amount of distilled water to it to dissolve the NaCl.Carefully pour the dissolved NaCl solution into the 250-mL volumetric flask. Add distilled water to the mark on the flask to make up the volume. Stopper the flask and invert it several times to mix the solution.Measure the weight of the 1-Liter volumetric flask.Add the 250-mL volumetric flask solution to a 1-Liter volumetric flask.Add distilled water to the mark on the flask to make up the volume.

Stopper the flask and invert it several times to mix the solution.The final volume of the solution will be 1 liter of a 10% NaCl solution.PrecautionsEnsure the NaCl has completely dissolved before adding more water to avoid making a less concentrated solution.Measure the weight of the volumetric flask before and after adding the solution to calculate the volume of solution that was added.Use distilled water to prepare the solution.

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The experimental error is a little less than 5%, which corresponds to option D.

Experimental error refers to the difference between a measured or observed value and the true value of a quantity. In other words, it is the difference between the value obtained from an experiment or measurement and the value that would be expected in theory or from a known reference.

Using the formula for experimental error, we have:

Experimental error = {Accepted - Experimental} / Accepted x 100%

Substituting the given values, we get:

Experimental error = |22.4 L - 21.4 L| / 22.4 L x 100%

Experimental error = 0.9 L / 22.4 L x 100%

Experimental error = 4.02%

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The relationship between temperature and volume of a gas is described by Charles's Law, one of the fundamental gas laws.

According to Charles's Law, at a constant pressure, the volume of a gas is directly proportional to its temperature in Kelvin. As the temperature of a gas increases, its volume also increases, and vice versa.

This relationship can be mathematically expressed as V1/T1 = V2/T2, where V1 and T1 represent the initial volume and temperature of the gas, and V2 and T2 represent the final volume and temperature of the gas.

For example, if a gas initially has a volume of V1 at a temperature of T1, and it undergoes a temperature change to T2, the resulting volume can be calculated using the formula V2 = (V1 * T2) / T1.

This relationship is important in various applications, such as in understanding the behavior of gases when subjected to different temperatures. It helps scientists and engineers predict the volume changes of gases under specific temperature conditions and is fundamental in fields like thermodynamics, chemistry, and engineering.

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Answer:

Yellow Peas

Explanation:

Answer:

yellow

Explanation:

Answer:

protons and neutrons are the answer

When using glassware with standard-taper ground-glass joints, it is important to ensure that the joints are clean, lubricated and correctly aligned.

Before joining two pieces of glassware with ground-glass joints, it is necessary to check both the male and female pieces for any cracks or defects that may compromise the seal. Once the pieces have been checked and confirmed to be clean and defect-free, they should be lubricated with a thin layer of vacuum grease or silicone oil. The lubricant will help to create a tight seal and prevent the joints from sticking or fusing together.
When joining the two pieces of glassware, they should be gently pushed together and twisted slightly to ensure a snug fit. It is important not to apply too much force when connecting the joints, as this can cause them to crack or break. Once the glassware is connected, it should be checked to ensure that the joints are correctly aligned and that there are no visible gaps.
In summary, when using glassware with standard-taper ground-glass joints, it is important to ensure that the joints are clean, lubricated, correctly aligned, and connected with care to avoid damage to the glassware.

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Answer:

1. 3

2. 2

3. 4

4. 1

Explanation:

Answer:

Explanation:

As organisms release energy during cellular respiration, carbon dioxide is produced from the carbon in energy storage molecules. ... Carbon dioxide in the biodome decreased because decomposers decreased which means there was a decrease in cellular respiration overall.

Answer:

poor access to health care providers

Explanation:

without health care providers you cant get tested.