Classify each of the following compounds as an acid, base, or both. be sure to answer all parts.
a. ch3ch2oh (select)
b. ch3ch2ch2ch3 (select)
c. ch3co2ch3 (select)

Granola is a heterogeneous mixture.

Heterogeneous mixture is a mixture that does not resemble the uniform mixture and the mixture appears non-uniform.

Granola is a heterogeneous mixture in which Oats, nuts, honey, or other sweetener including brown sugar are commonly incorporated to make granola, that is then typically roasted until it is crunchy, toasted, and golden brown. Periodically, raisins will be added.

Since, different individual could be seen hence it is a heterogeneous mixture.

Hence, Granola is a heterogeneous mixture.

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The rate constant for the decomposition of acetaldehyde, CH₃CHO, to methane, CH₄, and carbon monoxide, CO, in the gas phase is 1.10 × 10² m⁻¹ s⁻¹ at 703.7 k and 4.90 x 10⁻² m⁻¹ s⁻¹ at 865 k.The activation energy for this decomposition in KJ/mole is 154.303

To determine the activation energy of a reaction (Ea) from two reaction rates (k₁ and k₂) at two different temperatures (T₁ and T₂).

we use the equation -

k₂ = Eₐ x ( 1   -  1  )

k₁     R       T₁    T₂

Where,

R is the gas constant (8.3145 J/mol.K).

We have -

k₁= 1.10 x 10⁻²  m⁻¹ s⁻¹

T₁= 703.7 K

k₂= 4.90 x 10⁻² m⁻¹ s⁻¹  

T₂= 865 K

Putting the values in the equation -

4.90 x 10⁻² m⁻¹ s¹ =          Ea              x (     1        -       1    )

1.10 x 10⁻² m⁻¹ s⁻¹   (8.3145 J/K.mol)      703.7 K      865 K

Ea = (4.90 x 10⁻² m⁻¹ s⁻¹) / (     1       -        1     ) x (8.3145 J/K.mol)

         1.10 x 10⁻² m⁻¹ s⁻¹        703.7 K    851 K

Ea = 154303 J/mol

When divided by 1000,

Ea in KJ/mol = 154.303 KJ/mol

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1. I believe the answer to the first one is K and K+ are the bigger atom.

2. So I believe Strontium looses 2 electrons

Answer: The statement that theatoms are made up of protons, neutrons, and electrons is not a part of Dalton's atomic theory. Therefore, option c is correct.

Explanation:

Answer:

C12H22O11

Explanation:

Dipole-induced dipole attraction intermolecular force governs the solubility of 9-fluorenone in diethyl ether.

A dipole-induced dipole attraction is a type of weak attraction as it results when a polar molecule induces a dipole either in an atom or in a non-polar molecule by disturbing the electron arrangement in the particular non-polar species.

Most organic molecules are polar since they have a dipole moment. On behalf of solvents, polarity refers to solvents having higher polarity, and non-polar solvents with lower polarity. Diethyl ether is located at the lower end of the polarity scale and is generally considered a type of  'non-polar' solvent. Therefore, diethyl ether has a small dipole.

As Diethyl ether has a very low polarity value, if any, it is clear that H-bonding is not possible. London dispersion forces are present in all either polar or non-polar molecules, so it is clear that they are present here too. Since it is slightly polar so it may be exhibiting weak dipole-dipole interactions.

Carbon-donated hydrogen bonding is a real thing but they are generally very very weak non-covalent interactions. . London Dispersion Force is present in every chemical system but is weak as well . There are many exceptions where these forces may be significant in the case of binding energies of several dispersion-dominated molecules.

Therefore, the solubility of 9-fluorenone in diethyl ether is governed by dipole-induced dipole attraction or London dispersion forces.

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Answer:

Explanation: Cuttlefish are often called the chameleons of the ocean; this is due to their striking ability to change color for a variety of reasons. ... Cuttlefish have been recognized as changing color to camouflage themselves from, or to warn off predators, and to interact with other cuttlefish.

A paper ink chromatogram can also be used to detect compounds by comparing them to already identified substances. If two substances create the same number of dots that match in color, they are most likely the same.

The spots travel up the page the same distance (have the same R f value). A paper chromatogram can also be used to detect compounds by comparing them to already identified substances. If two substances create the same number of dots that match in color, they are most likely the same. Thus, ink is a mixture since it is composed of two substances: water (solute) and dye (solvent).

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Johnny's percentage error is calculated as= 41%

The quantity of carbon Johnny should have (actual value) = 21.8 g

The quantity of carbon Johnny was able to calculate = 22.7 g

To calculate the percentage error, subtract the actual value from the estimated value. That is,

22.7 - 21.8 g = 0.9 g

This error value obtained is divided by the actual value ( 21.8 g)

0.9 / 21.8 = 0.41

Then multiply by 100%

0.41 × 100.= 41%

Therefore, Johnny's percentage error is calculated as = 41 %

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56 ml of water is displaced on submerging a book having volume of 56 cm³.

If a body is considered which is completely submerged, the volume which it will displace will be equal to volume of the body.If it is partially submerged,volume of fluid displaced will be equal to the volume of the part which is submerged.This is in accordance with the Archimedes' principle.

The Archimedes' principle can be stated as the upward buoyant force which is exerted on a body irrespective whether the body is partially or fully submerged  is equal to the weight of fluid which is displaced by it.

Thus,56 cm³ of water will be displaced on submerging the book into water as the book will be completely submerged.

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One type of neon has 10 neutrons, while other types have 11 neutrons and 12 neutrons. The term best defines the different types of neon atoms in nature is known as Isotopes.

Isotopes are atoms of the similar element that have indifferent numbers of neutrons but the equal number of proton and electrons.

The different in the neutrons results the same element with different masses.

Neon is a chemical element. Its symbol is denoted by Ne.

It is called as Nobel gas and the most stable element.

If talking about the properties it is odorless , uncolored, monoatomic, chemically inactive.

Also called as inert gas.

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Answer: isotopes

Explanation:

i took the test

Answer:This formula has three types of atoms - nitrogen (N), hydrogen (H) and oxygen (O). There are a total of 4 atoms in one molecule of SO3.

20 is the slope of the given graph

The density of the pure gold is 19.3g/cc. here in this figure it is given that a graph plotted against mass vs volume. the slope is calculated by

y₂-y₁/x₂-x₁ = 0.4-0.1/0.02-0.005

=20

density of the sample is so from the above given data the calculated average density we get it 19.3 which is the pure golds density.

Gold nuggets are naturally occurring pieces of gold in nature. Streams often concentrate nuggets and fine gold in placer gold. Nuggets are obtained from placer mining, but are also found in gold-bearing veins or deposits of weathered deposits.

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The answer of this question is 123.87 g

Here we have to find the molar mass of unknown solvent

Given,

freezing point of cyclohexane sample =6.20°c

freezing point of resulting solution =4.11°c

Delta Temperature(Δt) = kf × molality for finding molality

Moles = grams / molar mass

Molality = moles / kg solvent

In cyclohexane, the mass of mixed solute = 0.4 × 609

Solute mixed in cyclohexane and mixed in cycloheptene= 0.4^2 × 1000 / 36 π

Del Temperature (Δt)= kf × molality

= 2.0920 × 0.4 × 1004 / 36 × 2.09

M = 9320 / 73.29

= 123.87

Molar mass of  an unknown solvent = 123.87 grams

so, the answer of this problem is 123.87 g

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The valence electrons for elements is the number of electrons in their outermost shells.

The valence electrons of atoms of elements are the number of electrons in the outermost shell of the atoms.

The innermost shell of every atom can take a maximum of 2 electrons. Thereafter, all other shells are able to take a maximum of 8 electrons. If the last shell of an atom is not completely filled, the number of electrons on the shell is equivalent to the valence electrons.

For every neutral atom, the number of valence electrons is equivalent to the group the atom belongs to on the periodic table.

Thus, group 1 elements have 1 valence electron, group two elements have 2 valence electrons, and so on.

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When sodium phosphate reacts with sulfuric acid, forming sodium sulfate and phosphoric acid, the stoichiometric coefficient for sulfuric acid in the balanced chemical equation is 3.

In every balanced chemical equation, the total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side. The stoichiometric coefficient is the number written in front of each reactants and products that tells how many moles of each are needed in the reaction.

The chemical equation for the given reaction is:

[tex]Na_{3} PO_{4}[/tex] + [tex]H_{2} SO_{4}[/tex] = [tex]Na_{2} SO_{4}[/tex] + [tex]H_{3} PO_{4}[/tex]

Put the necessary stoichiometric coefficient to balance each element.

Balancing Na:

[tex]2Na_{3} PO_{4}[/tex] + [tex]H_{2} SO_{4}[/tex] = [tex]3Na_{2} SO_{4}[/tex] + [tex]H_{3} PO_{4}[/tex]

Balancing P:

[tex]2Na_{3} PO_{4}[/tex] + [tex]H_{2} SO_{4}[/tex] = [tex]3Na_{2} SO_{4}[/tex] + [tex]2H_{3} PO_{4}[/tex]

Balancing S:

[tex]2Na_{3} PO_{4}[/tex] + [tex]3H_{2} SO_{4}[/tex] = [tex]3Na_{2} SO_{4}[/tex] + [tex]2H_{3} PO_{4}[/tex]

Notice that H and O are already balanced.

Hence, the balanced chemical equation for the reaction is:

[tex]2Na_{3} PO_{4}[/tex] + [tex]3H_{2} SO_{4}[/tex] = [tex]3Na_{2} SO_{4}[/tex] + [tex]2H_{3} PO_{4}[/tex]

where 3 is the stoichiometric coefficient of sulfuric acid, [tex]H_{2} SO_{4}[/tex].

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The difference between a solution and a suspension is in the particle sizes involved. A solution is a mixture of ions or molecules (very, very small). Solutions are transparent, meaning that you can see through them. A suspension has bigger particle sizes and so it may look cloudy or murky

Answer:

D

Explanation:

I have a crush on the same and I

The mass (in mg) of the cube of palladium of edge length 0.055 mm is 0.002 mg

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

With the above formula, we can obtain the mass of the palladium. Details below

Density = mass / volume

Cross multiply

Mass = Density × Volume

Mass of palladium = 12.02 × 1.66×10⁻⁷

Mass of palladium = 2.0×10⁻⁶ g

Multiply by 1000 to express in milligram (mg)

Mass of palladium = 2.0×10⁻⁶ × 1000

Mass of palladium = 0.002 mg

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The molar concentration of 3.0% mass percent concentration of H₂O₂ is 0.88 MOL/L

Explanation:

From the given problem:

Concentration of H₂O₂ = 3.0%

Volume = 1.00 ml

Density of solution = 1.00 g/ml

Here it is given that, In 3.0% H₂O₂ , the solution contain 30g H₂O₂ per 1000g of solution.

To find the molecular weight of H₂O₂, we have to do this calculation to get the molecular weight of H₂O₂= 2(mass of hydrogen) + 2(mass of oxygen) = 2×1 + 2×16

Since the molecular weight of H₂O₂ =34 g/MOL.

then 30g would be (Mass/ MOL. wt)

= (30g)/(34g/MOL.)

=0.88 MOL.

So the solution would be 0.88 MOL/L

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After losing credibility throughout the jackson case trial. To show that only the body is failing, Gettler underwent a number of cyanide tests.

He identified cyanide poisoning as the cause of death using chemical analyses.

He examined techniques for identifying human body decomposition by  wood alcohol.

He identified cyanide poisoning as the cause of death using chemical analyses.

When arsenic was utilized as a toxin, the Marsh test, a very sensitive method for finding arsenic, is particularly helpful in the field of forensic toxicology. James Marsh, a chemist, created it, and it was first printed in 1836.

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Answer:

The atmosphere is the layer of gases surrounding a planet or other celestial body.

Explanation:

Hope this helps:)

pH is defined as the negative log10 of the hydrogen ion activity, although general chemistry texts commonly express it in terms of the hydronium ion the pH is calculated as 3.23.

In chemistry, the pH scale is used to define the acidity or basicity of an aqueous solution. Historically, pH stood for "potential of hydrogen."

The pH values of acidic solutions are typically lower than those of basic or alkaline solutions.

It is provided that,

{H3O+} = 5.79 X 10^-4M

We know that pH is basically the negative log10 of the hydrogen ion.

this means,

Thus, pH = -log10[H3O+]

Then putting the value of [H3O+]

pH = -log10 (5.39 x 10^-4)

pH = 3.23

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Complete question

PH is defined as the negative log10 of the hydrogen ion activity, aH+, although general chemistry texts commonly express it in terms of the hydronium ion concentration. Thus, pH = −log10 [H3O+], where [H3O+] represents the concentration of H3O+ in units of moles per liter (M). Calculate the pH or [H3O+], as required, for the following solutions. {H3O+} = 5.79 X 10^-4M

The correct option is (4) Water only.

After equilibrium is established, the vessel contains water only.

Insulation is a material that serves as a barrier between the interior of your home and the considerably variable outside temperature to decrease heat absorption or loss. Heat cannot be added or removed from the vessel since it is insulated; consequently, there is no heat exchange. If hot water and cold water are combined, the final water temperature in the equilibrium vessel will be moderate. Hot water generates the same amount of heat that cold water looses.

By limiting heat movement, insulation ensures optimal housing efficiency. Insulation is mostly used to keep the interior of your home at the proper temperature while consuming less energy.

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The complete question is:

"In an insulated vessel, a quantity of hot water at temperature T1 is mixed with a different quantity of cold water at temperature T2. After equilibrium is established, the vessel contains __________.

1. steam only

2. ice only

3. water and ice

4. water only"

Answer:   amt of time students studied

Explanation:

Answer:

yea I'm also looking for this question to .