which type of wave has the highest frequency?

Some organic acids are their sources are given below:

Organic acids are acids that are obtained from organic sources or living organisms.

Organic acids unlike inorganic acids are usually weak acids.

Organic acids are important in living organisms and play several roles such as in proteins or in lipids.

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The structure of fatty acids involves long carbon-based chains with a carboxyl group (―COOH) located in the end, triglycerides phospholipids contain a phosphate group and glycerol, while steroids are cyclic and they contain C atoms linked via 4 fused rings.

Lipids are a broad category of biomolecules that include fatty acids, triglycerides phospholipids, and steroids. For example, fatty acids are long carbonated chains that contain exactly identical CH2 groups in the interior of the molecule and a carboxyl group (―COOH) located at one extreme side.

Triglycerides phospholipids are composed of three fatty acids chains linked to a glycerol backbone and also a phosphate group that may confer polar properties to the molecule.

Finally, steroids are another important class of lipids composed of several carbon-based fused rings.

Therefore, we can conclude that fatty acids, triglycerides phospholipids, and steroids are structurally different lipids that are mainly composed of carbon-based structures.

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Based on the base composition of the two kinds of RNA viruses, Therefore, in virus 1, A pairs with U while G pairs with C, whereas in virus 2, A pairs with G while U pairs with C.

RNA is one of the two genetic materials that living organisms use to store genetic information. The second genetic material is DNA.

RNA is the genetic material whose sugar backbone is ribose sugar.

Also, one of the four nucleotides in RNA is Uracil.

These are differences between RNA and DNA whose sugar backbone is deoxyribose and where the nitrogenous base in place of uracil is thymine.

RNA forms the genetic material in some viruses, whereas DNA is the genetic material in other living organisms.

RNA viruses are known as retroviruses.

In base pairing in RNA, A pairs to U, while G pairs to C. Therefore, the ratio of the two base pairs is always equal.

Considering the two RNA viruses given;

The base compositions of two kinds of RNA viruses are as follows:

RNA virus (#1) 20.2% A, 20.0% U, 29.8% G, and 30.0% C.

RNA virus (#2) 12.2% A, 37.8% U, 12.2.% G, and 37.8% C.

Comparing the  base compositions of the two viruses:

Virus 1 has equal ratios of the base pairs, A and U, as well as G and C.

Virus 2 has equal ratios of the base pairs, A and G, as well as U and C.

This means the base pairing in virus differs from the base pairing in virus 2.

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(A) Sand is un soluble in water . NH4Cl is soluble in water.

(B) Mixture b is a type of  heterogenous mixture.

A mixture with an inhomogeneous composition is referred to be heterogeneous. There are at least two distinct phases that continue to exist with distinct features that vary in composition from one place to another. It is possible to distinguish the individual components of a heterogeneous mixture by looking at a sample.

The concept of a heterogeneous mixture is somewhat different in physical chemistry and materials science. A homogeneous mixture in this context is one in which each component is in a single phase, as opposed to a heterogeneous mixture, which has components in many phases.

A mixture is any combination of two or more chemically unaltered, pure substances that has not been altered in any way from its original state. Unlike other types of combinations, heterogeneous ones do not blend and have an uneven makeup.

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Si (Silicon) because it is in the same group as carbon.

Answer:

D. h

Explanation:

hecto (h) = 10^2

This perspective makes the second paragraph less interesting. This perspective makes the second paragraph less interesting. Option C.

A ballot is a device used to vote in elections and can be a piece of paper or a small ball used in secret ballots. This card is valid in full legal sense at any authority or private institution that requires presentation of a voter card. The validity of this card is temporary as it relies on the results of an automated fingerprint identification system.

The citizens over the age of 18 may not be denied or restricted by the United States or any other state based on age. Common voting methods in such institutions are vote-for-vote, ascending voting, and show of hands. Other forms of voting include recorded voting and balloting. The General Assembly may determine the voting procedure by accepting a motion.

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The, new volume is 1200 L and new pressure is 25 kPa.

Given, temperature = 400 K

Pressure = 50 kPa

Volume = 3 L

V1/T1 = V2/T2

V2 = V1×T2 / T1

V2 = 400× 6/ 2

V2 = 1200 L

Hence, new volume is 1200 L.

P1/T1 = P2/T2

P2 = P1 × T2/ T1

P2 = 50 × 1000 × 200/ 400

P2 = 25000 Pa

Hence, new pressure is 25 kPa.

A gas is a set of molecules that do not cohere strongly sufficient to form a liquid or a strong. The quantity of a gas is, so long as the molecules fit into it, the extent of the container preserving the gas. In different phrases, the extent of a gas isn't always a belongings of the gas immediately, however a belongings of the box.

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Instead of snowcapped mountains that store water in anticipation of warmer temperatures, the majority of our drinking water comes from underground "mountains" of porous materials called aquifers that are replenished by rain. The Biscayne Aquifer is the primary source of fresh water for South Florida's lower east coast.

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The pH change of a solution is practical evidence that a chemical change has occurred such that a solution is more acidic or basic.

The pH of a given solution can simply be defined as the degree of acidity or alkalinity of the solution indicating that the chemical composition of the substance has changed. The pH scale is from 0 to 14.

So therefore, when the pH of a substance changes from one point to another, it confirms that it is either more basic or acidic.

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AgNO3(aq)+KI(aq)→AgI(s)+KNO3(aq) is  the balanced complete  ionic equation for the reaction when Kl and AgNO3 are mixed in aqueous solution.

Since KI does not combine with any of the other reagents to produce a white precipitate, 1 must be AgNO3, and 2 must be KI. 3 is presently still a mystery. Both H2SO4 and BaCl2, most likely the latter, can produce some white precipitate when combined with AgNO3, and neither reacts with KI.

An ionic equation is a chemical equation in which the electrolytes in aqueous solution are described as dissociated ions. It is similar to a molecular equation in that it represents compounds as molecules.

AgX (X = Cl, Br, or I) precipitates from the reaction of AgNO3 with halide ion solutions are employed in photographic films.

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Let's see the definition of each concept:

An element is a substance only formed by atoms of the same element. For example, Na (sodium), O2 (oxygen), C (carbon).

A compound is a substance formed by the combination of two or more elements, through a chemical bond. For example, H2O (water), and CO2 (carbon dioxide).

A pure substance can be an element or a compound, which is alone in the media. For example, the O2 present in an oxygen bullet is pure, because it is only oxygen.

A mixture is when you have 2 or more elements or compounds present in the same media. For example, the air is a mixture of oxygen and nitrogen.

Then, the answer is that NaCl is a compound and a pure substance.

1.0x10^9 H atoms x 1 molecule NH3/3 H atoms x 1 mol NH3/9.02x10^23 molecules x 17 g/mol = 9.4x10^-18 g NH3.

The mass of the formula is obtained by summing the masses of the individual atoms in the compound's formula. Correct chemical formulas are electrically neutral no net gain or loss of electrons so ions can be considered atoms in chemical formula mass calculations. The formula mass of a molecule is the sum of the atomic weights of the atoms in the compound's molecular formula.

Ammonia is formed from three hydrogen atoms and one nitrogen atom. Therefore, three hydrogen atoms each share one electron with nitrogen to form three covalent bonds, forming one ammonia NH3 ammonia molecule. The total mass of a compound is the sum of the masses of two hydrogen atoms and one oxygen atom. Your mass is the same wherever you go in space. Weight, on the other hand, varies from place to place.

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Explanation:

The final products of the reaction between HCl and Ca(OH)2 can be Ca(OH)Cl, CaCl2, or both simultaneously depending on the temperature, HCl concentration and reaction time

The theoretical yield of the reaction is 12.1 g and the percent yield  of the reaction is 77.4%.

Let us recall that when we are carrying out any kind of calculations that involves the substances that are used or formed in a reaction we must have to make recourse to the stoichiometry of the reaction. This is where the relationship between the reactants and the products could be understood well here.

Now we have the chemical reaction equation as;

[tex]H_{2} SO_{4} (aq) + CaOH(aq) ----- > CaSO_{4} (s) +H_{2} O(l)[/tex]

We can see that the reaction can be found to be 1:1 from the reaction equation as shown.

Number of moles of calcium hydroxide = 6.56 g/74 g/mol = 0.089 moles

It then follows that the limiting reactant is calcium hydroxide.

Theoretical yield of the calcium sulfate = 0.089 moles * 136 g/mol = 12.1 g

Then the percent yield = 9.37 g/12.1 g * 100/1

= 77.4%

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By balancing the element that appears in the fewest different formulas of the combustion reaction of propane, the coefficient that must be added to the CO₂ to balance the element C is 3.

A combustion reaction is a reaction that involves the release of large amounts of heat and light energy.

Combustion reactions include the burning of hydrocarbons in the air to produce carbon dioxide and water.

Considering the given question below:

What is the balanced equation of the reaction for the combustion of propane?

The balanced equation of the reaction for the combustion of propane is given below as follows:

C₃H₈ (g) + 5 O₂ (g) ---> 3 CO₂ (g) + 4 H₂O (l)

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The molarity of the citric acid in the soft drink is 0.00385M and the w/v% for citric acid in the soft drink is 7.99 g/L

Citric acid occur naturally in lemon, limes, pineapples and citric acid used as a flavoring and preserving agent and here given experiment are given obtain 50 mL of your soft drink sample the soft drink samples in your lab have been opened several days in advance to assure it is decarbonated. add 10 mL of the soft drink into a clean 250 mL Erlenmeyer add 2 to 3 drops of phenolphthalein fill your burette with the standardized NaOH add the NaOH solution to the soft drink until the first faint lasting pink color appears repeat this part two more times and then the molarity of citric acid in soft drink are 0.00385M and we have to calculate w/v% for citric acid in the soft drink = ?

So w/v% = g of solute/ 100ml of solution = 39.99/100×20 = 7.99 g/L

Concentration of citric acid in soft drinks are 7.99g/L

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Thermal energy transfers between the objects until an equilibrium temperature is reached.

Thermal energy transfer is the process by which heat transmitted from one body to another body, usually from a hotter body to the colder body.

Heat transfer process can occur in three different ways, and they include;

Heat transfer by conduction involves the actual movement of molecules from a hotter region to a colder region.

Heat transfer by radiation occurs through a space, from a hotter source to a colder region.

Heat transfer by convection occurs in a fluid, by the rising of hot molecules and sinking of the colder molecules.

Based on the law of conservation of energy, the heat transferred from a hotter body to a colder body will continue until both bodies reaches a state known as thermal equilibrium.

Thus, in thermal equilibrium, the final temperature of both bodies will be the same.

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The color of the BTB in presence of acid is yellow, the color of BTB in presence of base is blue, the of the BTB while still in the bottle in presence of base is blue.

An inference is defined as a process of deduction that involves making educated predictions about missing bits of information based on known information.

It can also be defined as the process of drawing a reasonable judgment based on observation and prior information.

The color of BTB drop on paper is yellowish blue because of presence of acid base mixture. The color of BTB when drop of base is added to an acid is blue because of excess of base. The color of BTB when drop of acid is added to an base is yellow because of excess of acid.

Thus, the  color of the BTB in presence of acid is yellow, the color of BTB in presence of base is blue, the of the BTB while still in the bottle in presence of base is blue.

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The effect of botulinum toxin cannot be determined using a yeast.

Botulinum toxin is produced by the bacterium called Clostridium botulinum. It is a neurotoxin that affects the nervous system. It is done by inhibiting a chemical called as acetylcholine.

Acetylcholine is a neurotransmitter that carries the message from the brain. It relays the message thus resulting in movement. If it is inhibited, the person would be paralyzed.

Yeast is a single-celled organism. It does not have well-developed systems as in multicellular organisms. In addition to that, the test organisms used to measure the effect of toxicity should be similar genetically to humans which would result in higher efficiency.

Thus, yeast cannot be used to determine the effect of botulinum toxin

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The Ksp of Cu²⁺ is 1.8x10–7.

The solubility product regular, Ksp​, is the equilibrium steady for a strong substance dissolving in an aqueous solution. It represents the level at which a solute dissolves in solution. The greater soluble a substance is, the better the Ksp price it has.

Calculation:-

Cu(OH)₂ solid ⇔ Cu²⁺ (aq) + 2OH⁻(aq)

∴ Ksp = [Cu²⁺].[OH⁻]²-------------------------(1)

Now, 1 mole Cu(OH)₂ dissolves in water to give 1 mol Cu²⁺ and 2 moles OH⁻ ions.

So, if we consider [Cu²⁺] = x and [OH⁻] = 2x

from equation (1)

we get,

2.2×10⁻²⁰ = x.(2x)²

⇒ 2.2×10⁻²⁰ = 2x³

⇒ x = (2.2×10⁻²⁰/4)¹/³

X = 1.8 × 10⁻⁷

∴ [Cu²⁺] =  1.8 × 10⁻⁷ (M)

and  [OH⁻] = 2×  1.8 × 10⁻⁷

                  = 3.6 × 10⁻⁷ (M)

Solubility equilibrium is a form of dynamic equilibrium that exists when a chemical compound in a strong country is in chemical equilibrium with a solution of that compound. The strong can also dissolve unchanged, with dissociation, or with a chemical reaction with another constituent of the solution, inclusive of acid or alkali.

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Answer:

However, ignition temperature is the lowest temperature at which a volatile material will be vaporised into a gas which ignites without the help of any ignition source. The ignition temperature is different from flash point since

The fire can be stopped by removing the supply of oxygen by blanketing the fire with foam, sand, etc. The temperature can be lowered by using water. Using the nitrogen tank to reduce the oxygen concentration can extinguish the fire.

Ignition Temperature can be described as the minimum temperature required by the substance to burn or catch fire. Burning or Combustion can be defined as a spontaneous as well as an exothermic process.

This process is exothermic in nature as heat is released during the process. We give energy to the substance just to begin the process and combustion will happen until the whole substance undergoes combustion.

Combustion is dependent on many factors such as the nature of the substance, the amount of oxygen present as combustion occurs in the presence of oxygen, the surface area of the substance, etc.

The amount of oxygen is an important factor as it enables how efficiently the combustible material undergoes combustion. Since combustion is an exothermic process, there are a variety of fuels and by burning them we generate energy.

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Answer:

C. Atom X and atom Y are in the same row on the periodic table

Explanation:

The number of protons in each atom:

X = 7 - 4 = 3 which is Li

Y = 9 - 5 = 4 which is Be

A. wrong because X and Y are not in same family

B. wrong because Y is in the column to the right of X

D. wrong because X and Y are not the same element

Answer:

- Balancing equation must encounter the equality in moles of both reactants and products. (The left hand side must be equal to the right hand side)

- For the low concentration of oxygen, sulphurdioxide is produced and equation is balanced as below

[tex]{ \rm{S _{(s)}+ O _{2(g)} → SO _{2(g)}}}[/tex]

- For high oxygen concentration, sulphurtrioxide is produced and equation is balanced as below;

[tex]{ \rm{2S _{(s)}+ 3O _{2(g)} →2 SO _{3(g)}}}[/tex]

The correct way to express the number 123,000,000 years old in scientific notation is 1.23 x 10⁸.

This is referred to as a way of expressing numbers which are too large or too small and is often difficult to write them in decimal form. An example of such large numbers is 123,000,000.

This type of numbers can be written in the powers of 10 which helps compress it into smaller forms.For example 1000 can be written in the form 1 × 10³ which when expressed will still give the same result.

In the case of 123,000,000, we count from the back and put the decimal point between the firs two digits and the number counted is then expressed as the power of the number being expressed. We count eight times to get to 1.23 which is then expressed as 1.23 x 10⁸ therefore making it the correct choice.

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There are 5.403×10[tex]^23[/tex]  atoms of carbon in 25.6 grams of sucrose which is in relation with the number of moles.

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.

Number of atoms  of carbon can be determined by calculating number of moles of carbon which is 25.6/242.3=0.074 moles .As 1 mole has 6.022×10[tex]^23[/tex]  atoms

∴0.074 moles has 4.503×10²² moles

Number of carbon atoms in 1 molecule of sucrose is 12

∴number of carbon atoms in 4.503×10²² molecules is 12×4.503×10²²=5.403×10²³ atoms

Therefore, there are 5.403×10²³ atoms in 25.6 g of sucrose.

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Answer:

A. The ion is Ar^2+

B. 18

C. 0

Explanation:

There are total of 2 + 2 + 6 + 2 + 4 = 16 electrons

since the cation is +2, it's neutral state should be 16 + 2 = 18

A. The ion is Ar^2+

B. 18

C. 0

Should you use the flash above because in the above its dark at night

Flash is a popular authoring software developed by macromedia is used to create vector graphics based animation programs with full-screen navigation interfaces, graphic illustrations, and simple interactivity in an resizable file format that is small enough to stream across a normal modem connection and we should use flash because creating games, making presentations, animations, visualizations, webpage components, and many other interactive applications and at the above we should use flash because its so dark at night

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