How many base units are there in the code for one amino acid?

Answer:

Distillation

Explanation:

In order to turn seawater into freshwater you have to remove the dissolved salt in seawater. That may seem as easy as just boiling some seawater in a pan, capturing the steam and condensing it back into water (distillation).

Answer:

Explanation:

c

Answer:

D or 4

Explanation:

right on edge 2021

Answer:

d

Explanation:

Answer:

lanthanum

Explanation:

lanthanum is an inner transition metal

At t = 20 minutes, there is approximately 180.48lb of salt and 60gal of solution in the tank.

Let's denote A(t) as the amount of salt at time t.

The rate of change of salt in the tank is given by the rate at which brine enters the tank minus the rate at which the solution leaves the tank. In this case, the rate at which brine enters the tank is 4gal/min and contains 2lb of salt per gallon. So, the rate of salt entering the tank is (4gal/min) * (2lb/gal) = 8lb/min.

The rate at which the solution leaves the tank is 6gal/min. Since the tank initially contains 100gal of pure water, the amount of solution leaving the tank without salt is (6gal/min) * (100gal) = 600gal.

Therefore, the differential equation for the amount of salt A(t) is dA/dt = 8 - (6/100)A.

To solve this differential equation, we can use separation of variables and integrate. The solution for A(t) is A(t) = 400(1 - e^(-t/50)).

At t = 20 minutes, we can substitute t into the solution to find the amount of salt in the tank. A(20) = 400(1 - e^(-20/50)) ≈ 400(1 - 0.5488) ≈ 400(0.4512) ≈ 180.48lb.

The amount of solution in the tank at t = 20 minutes is 100gal + (4gal/min - 6gal/min)*20min = 100gal - 40gal = 60gal.

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There are 40 lb of salt in the tank at t = 20 minutes. Since the tank initially contains 100gal of pure water.

We can use the concept of differential equations. We know that the rate at which salt enters the tank is 2lb/gal * 4gal/min = 8lb/min. Similarly, the rate at which salt leaves the tank is 6gal/min.

The amount of salt and solution in the tank at t = 20 minutes, we substitute t = 20 into the equation:

A(20) = 2(20) = 40 lb.

Therefore, there are 40 lb of salt in the tank at t = 20 minutes. Since the tank initially contains 100gal of pure water.

Salt is a mineral composed primarily of sodium chloride (NaCl).

Salt is essential for life in general, and saltiness is one of the basic human tastes.

Salt is one of the oldest and most ubiquitous food seasonings, and is known to uniformly improve the taste perception of food, including otherwise unpalatable food.

Salting, brining, and pickling are also ancient and important methods of food preservation.

Salt is mostly sodium chloride (NaCl). Sea salt and mined salt may contain trace elements. Mined salt is often refined. Salt crystals are translucent and cubic in shape; they normally appear white but impurities may give them a blue or purple tinge.

When dissolved in water sodium chloride separates into Na+ and Cl− ions, and the solubility is 359 grams per litre.

From cold solutions, salt crystallises as the dihydrate NaCl·2H2O.

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Answer: The Correct answer that can be said is ( Sedimentary Rock )

that being said there may be other types of rocks to use as an answer but without option choices this is my best guess

Explanation:

Sedimentary rock You find a rock in which the grains are arranged in parallel bands of white and black crystals. The rock is probably a Metamorphic rock Cooling & crystallization produce

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Answer:

B. \( 5 \times {10}^{ - 5}\: m \)

Explanation:

\(0.00005 \: m= 5 \times {10}^{ - 5} \: m \\ \)

The ketone will have a larger rf value because it is more polar than the alcohol.

Does more polarity suggest a greater or lesser Rf value?

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Answer:

5 million million atoms can fit at the end of a needle

Answer:

Let's just say 5 million million hydrogen atoms could fit at the end of a needle.

Explanation:

Atoms are 100 picometers, and to compare, the amount of even 1 centimeter, a calculator can't even figure out how many picometers are in a centimeter because there is just too much picometers.

The number of moles of NaCl contained in 5 L of a 2.2 M solution is 11 moles

The molarity of a solution gives a relationship between volume and mole of substance. The mathematical relationship is given below:

Molarity = number of mole / Volume

With the above formula, we can determine the number of mole of NaCl in the solution. Details below:

Molarity = number of mole / Volume

Cross multiply

Number of mole = molarity × volume

Number of mole of NaCl = 2.2 × 5

Number of mole of NaCl = 11 moles

Thus, the number of moles of NaCl is 11 moles

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Answer:

it is the second one. Lead

The concentration of NH₃(aq) required to dissolve 517 mg of AgCl(s) in 100.0 ml of solution is approximately 0.070 M.

To calculate the concentration of NH₃(aq) needed, we need to consider the equilibrium between AgCl(s) and [Ag(NH₃)₂⁺](aq), as well as the solubility product constant (Ksp) of AgCl.

First, we convert the mass of AgCl(s) to moles using its molar mass. 517 mg of AgCl is equal to 517/143.32 = 3.61 mmol.

Since AgCl dissociates into Ag⁺ and Cl⁻, the concentration of Ag⁺ ions formed is also 3.61 mmol in 100.0 ml of solution.

According to the given equilibrium reaction, two molecules of NH₃(aq) combine with one Ag⁺ ion to form [Ag(NH₃)₂⁺](aq). Therefore, the concentration of NH₃(aq) required is half the concentration of Ag⁺ ions.

Converting the volume of the solution to liters (100.0 ml = 0.100 L), we can calculate the concentration of NH₃(aq) as (3.61/2)/(0.100 L) = 0.0361 M = 0.070 M (rounded to three significant figures).

Therefore, the concentration of NH₃(aq) required to dissolve 517 mg of AgCl(s) in 100.0 ml of solution is approximately 0.070 M.

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Answer:

if it has anything to do with plutonuim, uranium , or burilium its radiation

Explanation:

those elements emit radiation

Answer:

B: drying towels at the beach

Explanation:

I had this on my EDG assignment for radiation and I got it correct.

I hope this is what you were looking for

Answer:

nếu có 40g dung dịch NaOH 20% phairn dùng hết bao nhiêu gam dung dịch HCl 25% để trung hoà

Chromosomes contain many genes, and genes are instructions for producing proteins.

Chromosomes are thread-like objects that are found in the nucleus (core) of cells. One chromosome is made up of one protein and one DNA molecule. Different chromosome sizes can be packed together into a nucleus thanks to proteins called histones. Our chromosomes would be as tall as ours without them. The exact instructions needed by your cells to create a distinct you are provided by your chromosomes.

There should be 23 pairs of chromosomes in humans (46 total). Chromosomes are divided into one pair of sex chromosomes and 22 numbered pairs (autosomes) (X and Y). You receive a pair of chromosomes, one from each parent. The building blocks of your body are your genes. The instructions to produce proteins are provided by some genes. Your body receives instructions from proteins about the kinds of physical traits you ought to have, such as your hair and eye colour. Some genes produce RNA that performs additional functions.

Hence, genetic information is translated into protein based on need.

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Answer:

\(2C _{6}H _{14} + 19O _{2}→12CO _{2} +14H _{2} O\)

Answer:

The correct answer is - C. 0.500 mg.

Explanation:

In this case, the half-life of the iodine-131 is 8 days and the initial amount is given 4 mg. According to this after every 8 days, half of the initial value of the iodine-131 remains only.

8 days or 1st half-life = A(i)* 1/2

16 days or two half-life = A(i)* 1/4

24 days or three half-life = A(i)* 1/8

and the remaining amount A would be

= A(i)*1/2^n

= 4 * 1/2^3

= 4 *1/8

= 0.500 mg

Explanation:

Fractional distillation is used to separate crude oil into simpler, more useful mixtures . This method can be used because different hydrocarbons have different boiling points

Hope this help u

Answer:

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

Explanation:

In Chemistry, we know that Protons are located in the nucleus, determine the element, and have a positive charge. The opposite of a Protons is an Electron, which orbits the nucleus and has a negative charge. Neutrons are found in the nucleus with Protons but has no charge; it only affects the mass.

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

A proton is a subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge, equal and opposite to that of the electron.

In Chemistry, we know that Protons are located in the nucleus, determine the element, and have a positive charge.

The opposite of a Proton is an Electron, which orbits the nucleus and has a negative charge.

Neutrons are found in the nucleus with Protons but have no charge; it only affects the mass.

Hence,

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

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Answer:

Hello! Your answer is : Double replacement

Answer:

Ethanol's chemical formula is C2H6O. This chemical formula can also be written as CH3CH2OH or C2H5OH. It is made of nine atoms that include two carbon (C) atoms, six hydrogen (H) atoms, and one oxygen (O) atom.

Explanation:

Answer:

three elements. carbon hydrogen and oxygen

Stoichiometry is the study of the quantitative relationships involving substances in chemical reactions.

This branch of chemistry deals with the calculation of the amounts of reactants and products involved in a chemical reaction, based on the stoichiometric ratios derived from the balanced chemical equation. Stoichiometry is a fundamental concept in chemistry as it allows scientists to determine the amount of reactants required for a given reaction to occur and predict the amount of product produced.

Stoichiometry can also be used to determine the limiting reactant in a chemical reaction, which is the reactant that is completely consumed first and limits the amount of product that can be produced. This information is important for optimizing chemical processes and understanding the efficiency of reactions.

Overall, stoichiometry is a vital tool for chemists and is used in a wide range of applications, including the production of pharmaceuticals, materials, and energy sources.

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The final product of the reaction between dimethylbenzene (xylene) with hot aqueous alkaline potassium manganate VII and subsequent treatment with excess aqueous acid is the formation of benzoic acid.

Dimethylbenzene, when reacted with hot aqueous alkaline potassium manganate VII, undergoes oxidation.

This process converts the alkyl side chain of dimethyl benzene into a carboxylic acid group. The resulting product is methyl benzoic acid.

When this intermediate product is treated with excess aqueous acid, the methyl group is removed, resulting in the formation of benzoic acid. It is important to note that this is a possible outcome, as there may be other side reactions or products depending on the conditions and reactants used.

However, given the specific conditions stated in the question, the formation of benzoic acid is the most likely final product.

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An empirical formula provides the relative ratios of the different atoms in a chemical. The ratios are still valid at the molar level. As a result, H2O is made up of two hydrogen and one oxygen atoms.

Similar to this, 1.0 mole of H2O is made up of 1.0 mole of oxygen and 2.0 moles of hydrogen. The simplest whole-number ratio of the various atoms in a compound is represented by an empirical formula. The precise number of various atom types present in a compound's molecule is indicated by the molecular formula. The empirical formula for acetylene is CH. The empirical formula for acetylene is C2H2.

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Answer:

grass

Explanation:

only the grass would actively have photosynthesis occur. frogs and honeybees do not use photosynthesis to produce "food". tree trunks are not the part of the organism that performs photosynthesis.

Answer: Grass!

Explanation: Grass produces food for itself through a process called photosynthesis, Just like trees. Leaves soak up light  Thats what the word photo means In "Photosynthesis" And then the light soaked up from the leaves and a chemical occurs called chlorophyll

Answer: I think the answer is 9.60s

Explanation: Hope it helps :)

The probability that the batch actually has a chemical defect is 16%. Therefore, option (a) 16% is the correct answer.

To solve this problem, we can use Bayes' theorem. Let's denote the following events:

A: The batch has a chemical defect.

B: The test result is positive for the defect.

We want to find the probability of event A given event B, denoted as P(A|B).

According to the problem statement, we have the following probabilities:

P(A) = 0.02 (2% of the batches have the defect)

P(B|A) = 0.9 (90% of the tests detect the defect, true positive rate)

P(not A) = 1 - P(A) = 0.98 (98% of the batches do not have the defect)

P(B|not A) = 0.096 (9.6% of the tests are false positives, false positive rate)

Now, let's calculate P(A|B) using Bayes' theorem:

P(A|B) = (P(B|A) * P(A)) / (P(B|A) * P(A) + P(B|not A) * P(not A))

P(A|B) = (0.9 * 0.02) / (0.9 * 0.02 + 0.096 * 0.98)

      = 0.018 / (0.018 + 0.09408)

      ≈ 0.018 / 0.11208

      ≈ 0.1606

Therefore, the odds that the batch actually has the chemical defect, given a positive defect result, is approximately 16.06%. Rounding this to the nearest percent, we get the option (a) 16%.

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