Can someone solve this concept map for me

The critical angle for the interface between water and diamond is 33.4 degrees.

The greatest angle at which a ray of light traveling through one transparent medium can hit the border between that medium and a second of lower refractive index.

It strikes the border without being completely reflected within the first medium is called the critical angle in optics.

Thus, the critical angle for the interface between water and diamond is 33.4 degrees.

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The concentration of the nitrate ion, NO₃¯ in the solution given the data is 0.0216 M

This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

Mole = mass / molar mass

Mole of Al(NO₃)₃ = 0.6 / 213

Mole of Al(NO₃)₃ = 0.0028 mole

Molarity = mole / Volume

Molarity of Al(NO₃)₃ = 0.0028 / 0.39

Molarity of Al(NO₃)₃ = 0.0072 M

Dissociation equation

Al(NO₃)₃(aq) <=> Al³⁺(aq) + 3NO₃¯(aq)

From the balanced equation above,

1 mole of Al(NO₃)₃ contains 3 moles of NO₃¯

Therefore,

0.0072 M Al(NO₃)₃ will contain = 0.0072 × 3 = 0.0216 M NO₃¯

Thus, the molarity of NO₃¯ in the solution is 0.0216 M

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The metal that can react and dissolve in nitric oxide but not in HCl is copper.

The reactivity series is given as the arrangement of the metals in the descending order of their reactivity.

The HCl is able to dissolve the metals that have reactivity less than the hydrogen. Nitric oxide is a strong oxidizing agent and has the ability to react with metals such as copper and oxidizes it.

The HCl is however unable to react with copper as it has high reactivity than hydrogen. Thus, copper can dissolve in nitric oxide, but not in HCl.

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The chemical formula of decomposition of silver oxide to form silver metal and oxygen gas is 2Ag₂O ⇒ 4Ag + O₂.

Decomposition reaction are those reactions in which the compounds are breakdown into simpler form.

In the given reaction, the silver oxide is decomposing in silver and oxygen.

2Ag₂O ⇒ 4Ag + O₂.

Thus, the chemical formula of decomposition of silver oxide to form silver metal and oxygen gas is 2Ag₂O ⇒ 4Ag + O₂.

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The quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water system is the speed of light in vacuum.

Speed of light is the rate of speed though the light travels. To find the speed of light in any medium, the following formula is used.

[tex]v=\dfrac{c}{n}[/tex]

Here, (n) is the index of reaction and (c) is the speed of light in the vacuum. The speed of light in the vacuum is almost equal to the 3.0×10⁸ m/s.

Now the quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water has to be find out.

The above formula can be written as,

[tex]v=\dfrac{c}{n}\\vn=c\\c=vn[/tex]

Here, the product of index of refraction and speed of light is equal to the speed of light in vacuum. This will be true for water as well.

Thus, the quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water system is the speed of light in vacuum.

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Answer:

2.256 moles of oxygen atoms

Explanation:

CaCo3  is calcium carbonate

  every mole of calc carb has 3 moles of O atoms

  .752 moles of this has 3 times as many moles of Oxygen atoms

According to the mole concept , there are 2.256 moles of oxygen in 0.752 moles of calcium carbonate.

Mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.

It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.

It is widely used in chemistry as a suitable way for expressing amounts of reactants and products.For the practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons. Molar mass has units of gram per mole . In case of molecules, where molar mass  in grams present in one mole  of atoms is its atomic mass.

As 1 mole of calcium carbonate has 3 moles of oxygen ,

∴ in 0.752 moles of calcium carbonate there are 0.752×3=2.256 moles.

Thus,there are 2.256 moles of oxygen in 0.752 moles of calcium carbonate.

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Looking at the density of the penny which is 7.1347 g/cm³, it can be concluded that it is not made from copper.

It is the ratio of the mass of a substance to its volume.

Mathematically; density = mass/volume

In this case, the mass of the coin is 2.49 g, and the volume is 0.349 cm³. Thus:

Density of coin = 2.49/0.349 = 7.1347 g/cm³

The density of copper is 8.96 g/cm³ at room temperature.

Hence, the penny is not made of copper.

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Answer:B

Explanation:

The metal spoon is a better thermal conductor. Hence, option B is correct.

A thermal conductor is a material that allows the energy in the form of heat, to be transferred within the material, without any movement of the material itself.

Metals are good conductors. Laying on the metal handle of the metal cooking pot. It appears that the pot is sitting on top of a campfire.

Since metal is a good conductor of energy, the spoon gets hot because heat is transferred through the metal pot to its handle, and then to the metal spoon.

Hence, option B is correct.

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Rules for naming ionic compounds with transition metal requires the elementary name of metal followed the anion name with suffix ide.

Ionic compounds are made up of ions, which are charged particles that occur when an atom (or group of atoms) acquires or loses electrons. Generally cations are metals and anions are non metals in it.

Following rules will be considered during naming:

Hence rules for naming are listed above.

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Given the gas laws, the volume has to increase, with the increase in temperature.

There are three basis gas laws which relates the pressure, temperature, and volume of the gas.

The ideal gas law is the combination of the three simple gas laws.

Thus, the volume has to increase, with the increase in temperature.

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Answer: 1.0 M

Explanation:

250 mL = 0.25 L

molarity = (moles of solute)/(liters of solution) = 0.25/0.25 = 1.0 M

Hydrogen bonds are stronger than the dipole dipole attraction force present in any molecule.

Bonding is a type of attraction force which is present between the different atoms or elements of any substance.

Hence main difference is that hydrogen bond is only present between the hydrogen atom and more electronegative.

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Answer: 167.2 J

Explanation:

The combustion of diethyl ether gives releases of carbon dioxide gas along with the water.

Combustion is given as the reaction of the burning of the compound in the presence of oxygen.

The combustion results in the breakdown of the compound to its constituent ions or atoms. The reaction of combustion of [tex]\rm C_4H_1_0_O[/tex] is:

[tex]\rm C_4H_1_0_O\;(l)\;+\;6\;O_2\;(g)\;\rightarrow\;4\;CO_2\;(g)\;+\;5\;H_2O\;(l)[/tex]

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From the calculations, the final temperature of the object is 26.1 °C.

The specific heat capacity is defined as the temperature that is required to raise 1 Kg of a substance through a temperature rise  of 1 K.

When;

H = 950.0 J

T1 =  24.20°C

m = 120.1 g

c = 4.184 J/g･°C

T2 = ?

H = mc(T2 - T1)

950 = 120.1  * 4.184(T2 -  24.2)

950 = 502.5T2 - 12160.5

950 + 12160.5 = 502.5T2

T2 = 950 + 12160.5/502.5

T2 =  26.1 °C

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Answer:

carbon

Explanation: carbon is the answer

Answer:

Base

Explanation:

Why is Alka-Seltzer a base?

Alka-Seltzer contains sodium bicarbonate and citric acid. The sodium citrate acts as an antacid. Excess sodium bicarbonate from the Alka-Seltzer acts to neutralize base.

Answer:

A

Explanation:

-Icreaseing the solute would increase the concentration

-increasing the solvent will decrease the concentration

The answer is "Location E, because Earth's axis is tilted towards the sun" :D

Answer:

C. Location E, because earth's axis is tilted towards the sun

Explanation:

The amino acid coded by the sequence code UUC is phenylalanine.

An amino acid is an organic compound made up of an amine group and carboxylic group. There are total 20 amino acids are present.

Phenylalanine is coded by two code sequence UUU and UUC. It is not an essential acid, and its role in the body is not confirmed.

Thus, the amino acid coded by the sequence code UUC is phenylalanine.

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The amount of sample of Plutonium-32 which is remained after 99.4 days is 3.9 grams.

Remaining amount of any substance after the decay will be calculated by using the below equation:

N = N₀[tex](\frac{1}{2})^{\frac{T}{t}}[/tex], where

N = remained quantity = ?

N₀ = original quantity = 499.2g

T = total time = 99.4 days

t = half life time = 14.2 days

T/t = 99.4/14.2 = 7

On putting all these values in the above equation, we get

N = (499.2)(0.5)⁷

N = (499.2)(0.0078) = 3.9g

Hence remaining mass of Plutonium-32 is 3.9 g.

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The mass of potassium chloride with solubility 253.9 g/mL present in 100 grams of solution is 25.4 grams.

Concentration is given as the quantity of the solute present in the solution. The water at 25 degrees Celsius has density of 0.9982 g/mL.

The mass of the 100 grams of water is given as:

[tex]\rm Density=\dfrac{mass}{volume}\\\\0.9982\;g/mol=\dfrac{100\;grams}{Volume}\\\\Volume=100.180\;mL[/tex]

The solubility of potassium chloride is 253.9 g/mL

The grams of potassium chloride in the 100 grams solution will be:

[tex]\rm Mass\;of\;potassium\;chloride=\dfrac{253.9}{1000}\;\times\;100.81\;g\\\\Mass\;of\;potassium\;chloride=\25.4\;g[/tex]

Thus, the mass of potassium chloride present in 100 grams of water is 25.4 grams.

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The type of energy which is present between the repulsion interaction is the highest potential energy.

Potential energy is the amount of energy that is possess by any body with respect to the electric charge posses in that and other factors also.

Hence, molecules in which repulsion interaction is present will have highest potential energy.

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Answer!

After 2 years, 1.986 g of a radioisotope material remains from a sample of the original mass of 2g, what is the half-life of the sample? - Radioactive decay occurs according to the formula:

A = A0 * exp(-ln(2) * t/T1/2)

The Original activity or mass A0 will decay to be A after time t where T1/2 is the decay time or half-life. If you fill in the values for A, A0 and t (= 2 years) you will end up with a value of approximately 188 years for the half-life.

Answer:

A.3.011 x 10^24 atoms CO²

[tex] \overline{ \quad \quad \quad \quad\quad\quad\quad\quad\quad}[/tex]

hope it helps!

Answer:

The light goes through

Explanation:

The light goes through the transparent glass without being reflected or absorbed, for example, a window is a transparent glass, you never see light being reflected off of a window

Hope this helps (: