Name the following compound:
CH₂-CH-CH₂ - CH₂ - CH3
1
2
CH₂
CH₂

Answer:

A saturated solution may not be a concentrated solution IF the solute is only sparingly or slightly soluble in the solution.

Answer:

Explanation:

Dinitrogen trioxide is a nitrogen oxide. Nitrogen trioxide appears as a blue liquid with a sharp, unpleasant chemical odor.

Description: Dinitrogen trioxide is a nitrogen oxide.ChEBINitrogen trioxide appears as ...

Synonyms: Dinitrogen trioxideNITROGEN TRIOXIDENitrogen oxide (N2O3)10544-7...

Molecular Formula: N2O3

Molecular Weight: 76.012 g/mol

Answer:

It is called Dinitrogen trioxide. Hope this helps!

A primary amine will produce two signal(s) above 3300 [tex]cm^1[/tex], because the amino group has two possible modes of stretching (symmetric and asymmetric)

Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter (mm).

The N-H stretches of amines are in the region 3300[tex]cm^1[/tex].

These bands are weaker and sharper than those of the alcohol O-H stretches which appear in the same region.

In primary amines ([tex]RNH_2[/tex]), there two bands in this region, the asymmetrical N-H stretch and the symmetrical N-H stretch.

Hence, In IR spectroscopy a primary amine will produce two signal(s) above 3300 cm-1, because the amino group has two possible modes of stretching (symmetric and asymmetric).

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The percentage yield of oxygen obtained from the reaction, given that 400 g of potassium chlorate was heated is 73.4%

2KClO₃ —> 2KCl + 3O₂

Molar mass of KClO₃ = 122.5 g/mole

Mass of KClO₃ from the balanced equation = 2 × 122.5 = 245 g

Molar mass of O₂ = 32 g/mole

Mass of O₂ from the balanced equation = 3 × 32 = 96 g

SUMMARY

From the balanced equation above,

245 g of KClO₃ decomposed to produce 96 g of O₂

From the balanced equation above,

245 g of KClO₃ decomposed to produce 96 g of O₂

Therefore,

400 g of KClO₃ will decompose to produce = (400 × 96) / 245 = 156.7 g of O₂

Percentage yield = (Actual /Theoretical) × 100

Percentage yield = (115 / 156.7) × 100

Percentage yield = 73.4%

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Answer:

B. 73.40%

Explanation:

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The planet Saturn rotates much more rapidly than earth, this would affect the length of Saturn's day and night.

Day and night occur on any planet due to the rotation of the planet in its own axis with respect to the position of the sun.

As speed of planet Saturn is much more as compared to the speed of planet Earth. So occurring of day and night in the Saturn takes place faster as compared to earth.

Hence, length of day and night is get affected due to the fast movement.

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The enthalpy change of the given reaction is negative, so the reaction is an exothermic reaction.

Enthalpy change of a reaction is the energy changes that occur when reactant molecules form products.

Enthalpy is the heat content of a substance.

When enthalpy change is positive, the heat content of the product is greater than that of the reactant and the reaction is an endothermic reaction.

Whereas, when enthalpy change is negative, the heat content of the reactant is greater than that of the product and the reaction is an exothermic reaction.

Therefore, since the enthalpy change of the given reaction is negative, the reaction is an exothermic reaction.

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Explanation:

Critics of evolution commonly appeal to past scientific hoaxes such as the Piltdown Man forgery. It is argued that because scientists have been mistaken and deceived in the past about evidence for various aspects of evolution, the current evidence for evolution is likely to also be based on fraud and error.

Answer:

Ideal fuel shows the following characteristics:

• It should be less expensive,

• It should be easily available,

• It should produce a large amount of heat,

• It can be transported easily.

• It has high calorific value.

• It should burns easily in air at a moderate rate.

Answer:

Saturn's rings are made up of ice, dust, rocks, moons and other satellite that orbit the gas giant as its equator, where gravity is strongest.

Explanation:

Electrolytic cell is the device which requires electrical energy to produce a chemical change.

This is referred to as electrochemical cell that requires an external source of electricity to effect a chemical change.

Without the source of the electricity, the chemical change won't have been produced at all.

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Taking into account the definition of wavelength, frecuency and propagation speed:

The equation that illustrates the relationship between wave velocity, frequency, and wavelength is v = f×λ.

Wavelength is the minimum distance between two successive points on the wave that are in the same state of vibration. It is expressed in units of length (m).

On the other side, frequency is the number of vibrations that occur in a unit of time. Its unit is s⁻¹ or hertz (Hz).

Finally, the propagation speed is the speed with which the wave propagates in the medium, that is, it is the magnitude that measures the speed at which the wave disturbance propagates along its displacement.

The propagation speed relate the wavelength (λ) and the frequency (f) inversely proportional using the following equation:

v = f×λ

All electromagnetic waves propagate in a vacuum at a constant speed of 2,998 x 10⁸ m / s, the speed of light.

Therefore, the previous expression establishes an inversely proportional relationship between the frequency and the wavelength: The higher the frequency, the lower the wavelength and when the frequency is lower, the greater the wavelength.

In summary, the definition of frequency, wavelength and velocity are:

Finally, the equation that illustrates the relationship between wave velocity, frequency, and wavelength is v = f×λ.

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Answer:

Known for his law of gases, Boyle was a 17th-century pioneer of modern chemistry. Every general-chemistry student learns of Robert Boyle (1627–1691) as the person who discovered that the volume of a gas decreases with increasing pressure and vice versa—the famous Boyle's law.

Answer:

Complete combustion occurs when there is enough oxygen to completely use up all the reactants. Incomplete combustion occurs when there is not enough oxygen resulting in the production of smoke, and less energy is produced when compared with complete combustion.

Answer:

B

Explanation:

Recall the ideal gas law:

[tex]\displaystyle PV = nRT[/tex]

Because n, R, and T remain constant, we can rewrite the equation as:

[tex]\displaystyle k = P_1V_1 = P_2V_2[/tex]

Where k is some constant. This form of the ideal gas law is referred to as Boyle's Law.

Substitute and evaluate:

[tex]\displaystyle \begin{aligned} (4.0\text{ L})(12\text{ atm}) & = (3.0\text{ atm})V_2 \\ \\ V_2 & = 16\text{ L} \end{aligned}[/tex]

In conclusion, the answer is B .

Answer:

Engineering is all about solving problems using math, science, and technical knowledge. And engineers have solved a lot of problems in the world by designing and building various technologies. We have everything from machines that can breathe for you in hospitals to suspension bridges to computers we use every day. All of these things were once designed by engineers using the engineering design process.

Explanation:

Answer:

Students will have to use their brains to solve problems and challenges they will face to find a solution to cleaning up oil spills. Students will face failures after completing their solution, lots of research, and problems during the making of their solutions. What will work? What won't?

Explanation:

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Unsaturated solution: a solution in which more solute can be dissolved.

Explanation:

Salt dissolved in water or even sugar dissolved in water is an unsaturated solution if the quantity of dissolved salt/sugar is below the saturation point.

unsaturated solution: a solution in which more solute can be dissolved.

Explanation:

A solution in which the maximum amount of solvent has been dissolved. Any more solute added will sit as crystals on the bottom of the container.

Anders Celsius made the centigrade thermometer.

Answer: 0.5 M

Explanation:

molarity = (moles of solute)/(liters of solution)

Hence, the molarity is (0.234)/(0.5) = 0.5 M (to 1 s.f.)

Latent heat of fusion for ice is 33600J/k

Heat absorbed

Answer:

hi the answer is C

Explanation:

hope i helped :)

Answer:

be more susceptible to disease and famine

Explanation:

Answer:

Six step guide to help you solve problems

Step 1: Identify and define the problem. State the problem as clearly as possible. ...

Step 2: Generate possible solutions. ...

Step 3: Evaluate alternatives. ...

Step 4: Decide on a solution. ...

Step 5: Implement the solution. ...

Step 6: Evaluate the outcome

During photosynthesis, Oxygen is released through stomata and Carbon dioxide enters stomata.

Photosynthesis is defined as the process by which green plants use sunlight, water, and carbon dioxide to manufacture their own food in the form of sugar.

The stomata is a pore found on the leaves stem and roots which controls the movement of molecules in and out of the plant.

During photosynthesis, Oxygen is released through stomata and Carbon dioxide enters stomata.

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Answer:

The answer is B, and C

Explanation:

Answer:

it can be controlled by balancing of the reaction

Answer:

Answer:

Gamma rays

Since they have high penetrating power.

Answer:

A

Explanation:

Answer:

s= 3.20 mph

Explanation:

s=t/d

s=380miles/5hours

Answer:

If a saturated solution is heated to a higher temperature, it becomes unsaturated. Hence, the saturation point of a solution increases with the increase in temperature as there is an increase in solubility of the solute.

Explanation:

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