Which is the correct peptide chain sequence for the following mRNA sequence -›AUGGGGCUCAGCGACA. Met - Gly - Leu - Asp - TrpB. Met - Leu - Ser - Asp - GlyC. Met - Gly - Leu - Ser - AspD. Met - Gly - Ser - Leu - Asp

Answer:

HBr

Explanation:

Acidity is directly proportional to non metallic character. Moving from left to right and down the group non metallic character increases hence acidic strength increases. Based on this explanation HBr is strongest acid among given compounds.

The littoral zone of a lake is the area closest to the shore. It has very little biological activity but includes a lot of oxygen. The water in the lake's littoral zone is freshwater, free of living organisms such as plants and fish.

The calculated molar ratio of iron to oxygen in BIFs is 1.452.

Comparing this ratio to the molar ratios of Hematite (1:0.75) and Magnetite (1:0.67), we can see that the calculated value of 1.452 is closest to the Hematite molar ratio of 1:0.75. Therefore, Hematite is the more dominant iron component in BIFs.

To calculate the mass of oxygen contained within BIFs, we'll use the given information:

Total mass of the modern atmosphere = 5.01×10¹⁸ kg

Percentage of oxygen in the modern atmosphere = 21%

Mass of oxygen contained within the modern atmosphere = (5.01×10¹⁸ kg) × (0.21) = 1.051×10¹⁸ kg

Percentage of oxygen contained in BIFs = 6.6% (given)

Mass of oxygen contained within BIFs = (6.6% of 1.051×10¹⁸ kg) = 6.6/100 × 1.051×10¹⁸ kg = 6.9166×10¹⁶ kg

Therefore, the mass of oxygen contained within BIFs is 6.9166 × 10¹⁶ kg.

To calculate the number of moles of oxygen contained within BIFs, we'll use the molecular mass of O₂:

Molecular mass of O₂ = 0.032 kg/mole

Number of moles of oxygen contained within BIFs = (Mass of oxygen in BIFs) / (Molecular mass of O₂)

= (6.9166×10¹⁶ kg) / (0.032 kg/mole) = 2.1614375 × 10¹⁸ moles

Therefore, the number of moles of oxygen contained within BIFs is 2.1614375 × 10¹⁸ moles.

Next, let's calculate the mass of iron in BIFs:

Total mass of BIFs = 5.0×10¹⁷ kg

Percentage of iron in BIFs = 35%

Mass of iron contained within BIFs = (35% of 5.0×10¹⁷ kg) = 35/100 × 5.0×10¹⁷ kg = 1.75×10¹⁷ kg

To calculate the number of moles of iron contained within BIFs, we'll use the atomic mass of iron:

Atomic mass of iron = 0.0558 kg/mole

Number of moles of iron contained within BIFs = (Mass of iron in BIFs) / (Atomic mass of iron)

= (1.75×10¹⁷ kg) / (0.0558 kg/mole) = 3.1367419 × 10¹⁸ moles

Therefore, the number of moles of iron contained within BIFs is 3.1367419 × 10¹⁸ moles.

Finally, let's calculate the molar ratio of iron to oxygen in BIFs:

Molar ratio of iron to oxygen = (Number of moles of iron) / (Number of moles of oxygen)

= (3.1367419 × 10¹⁸ moles) / (2.1614375 × 10¹⁸ moles)

≈ 1.452

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Answer:

Something that's interdisciplinary covers more than one field of study. If you take an interdisciplinary science and literature class, you might read a science fiction novel and then explore the scientific ideas behind it. ... Interdisciplinary means between fields, but they don't have to be unrelated disciplines.

Explanation:

hope this helps:)

                                                      ................................................

Explanation:

A solution is homogenous mixture consisting of solute dissolving into a solvent.The solute is a substance that is being dissolved , while the solvent is the dissolving medium.

Answer:its called a solution

Moles of Ammonia produced : 4 moles

Given

6 mol of H₂

Required

moles of Ammonia

Solution

Reaction

N₂ + 3H₂ → 2NH₃

In chemical equations, the reaction coefficient shows the mole ratio of the reacting compound (reactants and products)

From the equation, mol ratio of H₂ : NH₃ = 3 : 2, so mol NH₃ :

= 2/3 x moles H₂

= 2/3 x 6

= 4 moles

Answer: b . Covalent compounds can contain a maximum  of 4 different atoms.

Explanation:

The covalent compounds are those compounds that are formed between the non-metals via sharing of electrons. The bonds so formed between these non-metallic atoms are covalent. There can be two or several different kinds of atoms that can form covalent bonds with each other in a single molecule. They use the valence electrons for sharing. The maximum number of valence electrons can be seven.

Answer:

b.Covalent compounds can contain a maximum of 4 different atoms.

Explanation:

Covalent compounds can contain as little as the Covalent compounds can contain a maximum of 4 different atoms.

Therefore , the correct answer is B.

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Answer:

110.88g

Explanation:

Given parameters:

Mass of CO₂   = 2.52mole

Unknown:

Mass of CO₂ in the given mole  = ?

Solution:

To solve this problem, we use the mole concept.

   Number of moles (mol)  = \(\frac{mass(g)}{molar mass(g/mol)}\)  

So;

     Mass (g)  = Number of moles(mol) x molar mass(g/mol)

 Molar mass of CO₂   =  12 + 2(16)  = 44g/mol

      Mass(g)  = 2.52 mole x   44g/mole

      Mass(g)  = 110.88g

The preferred site(s) of electrophilic attack on the given compound are ortho/para positions on ring 1.

Electrophilic substitution is a type of organic reaction in which an electrophile substitutes a functional group or an atom in an organic compound. This occurs when an electrophile, a positive or partial positive charge, reacts with an electron-rich compound.

When determining the preferred site(s) of electrophilic attack on a compound, one can consider the presence of an electron-donating group or an electron-withdrawing group. An electron-donating group causes the ortho and para positions to be more reactive than the meta position, while an electron-withdrawing group causes the meta position to be more reactive than the ortho and para positions.

In the given compound, the preferred site(s) of electrophilic attack are the ortho and para positions on ring 1. This is due to the presence of a strong electron-donating group (-NH2) on the ring that makes the ortho and para positions more reactive than the meta position. Hence, the correct option is ortho/para positions on ring 1.

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Correct option is D. A magnetic field is produced by a stream of electrons flowing through a wire that is coiled around an iron core.

At the point when a surge of electrons moves through a wire that is curled around an iron center, it creates an attractive field. This is because of the cooperation between the moving electrons and the iron molecules in the center. The wound wire delivers a progression of attractive fields that are adjusted in a similar bearing, making a more grounded attractive field than a solitary wire. The strength of the attractive field is subject to how much current moving through the wire, the quantity of turns in the curl, and the attractive porousness of the center material. This peculiarity is known as electromagnetic acceptance and is generally utilized in different electrical and electronic gadgets, including transformers, electric engines, and generators.

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The medication can treat people who have the disease described. According to the commercial, the drug has FDA approval to treat a condition whose symptoms are listed.

Additionally, the narrator notes that the medication only comes with a prescription and has 1% of the active substance. We can deduce from this information that the drug can effectively treat persons who have the condition generating these symptoms, but obtaining it requires a prescription. The commercial provides no support for the other possibilities.

Therefore, the correct option is D.

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Answer:

I think the answer is c)

Explanation:

Answer:

False because it is chemical change

1. B2O3 + 3C + 3Cl2 → 2BCl3 + 3CO
2. 3BaF2 + 2H3PO4 → Ba3(PO4)2 + 6HF
3. 4NH3 + 5O2 → 4N2 + 6H2O
4. 4KNO3 + 10K → 6K2O + 4N2
5. BF3 + 3H2O → H3BO3 + 3HBF4
6. LiOH + CO2 → Li2CO3 + H2O

Classification of reactions:
- Aluminum + Iron(III) oxide → Aluminum oxide + Iron (This is a single replacement or displacement reaction)
- Ammonium nitrate → Dinitrogen monoxide + Water (This is a decomposition reaction)
- Aluminum metal + Chlorine gas → Aluminum chloride (This is a synthesis or combination reaction)

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Answer:

28.01 percent

Explanation:

Iron (III) sulphate, \(Fe_2(SO_4)_3\), has 2 atoms of Fe.

One atom of Fe has a molar weight of 56. Hence, 2 atoms of Fe would have a total molar weight of 56 x 2 = 112 g/mol

Molar weight of  \(Fe_2(SO_4)_3\) = 399.88 g/mol

Percentage Fe in \(Fe_2(SO_4)_3\) = 112/399.88 x 100%

                       = 28.01%

The percentage of iron is iron (III) sulphate is, therefore, 28.01 percent.

Answer:

ok so basicalkly he lloked at how the subdiction zone formed and where previus conintal drift occured

Explanation:

Answer:

all of these elements are classified as metals on the periodic table

Explanation:

some common physical properties they have is that they are all soilds (at room temperature), they are malleable (easily bent/shaped) and ductile, and they are good conductors of heat and electricity. they also have high melting points and have a metallic appearance.

The volume of 1.5 × 10^(-2) M NaOH that must be added to 500 mL of 0.2 M HCl to give a solution that has a pH of 2.15 is 6.67 mL.

To solve this problem, we first need to write the balanced chemical equation for the reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl), which is

NaOH + HCl → NaCl + H2O.

We are given the initial concentration of HCl as 0.2 M. We then use the pH value, which is 2.15, and the relationship between pH and the concentration of hydrogen ions ([H+]) to calculate the concentration of [H+] in the final solution.

Using the equation pH = -log[H+] and [H+] = 10^(-pH),

pH = -log[H+]

[H+] = 10^(-pH)

[H+] = 10^(-2.15) = 7.08 × 10^(-3) M

we find that [H+] = 7.08 × 10^(-3) M.

Next, we need to determine the mole ratio of NaOH to HCl, which we can find from the balanced chemical equation as 1:1. We then calculate the amount of NaOH required to react with all of the HCl in the initial solution, which is 0.1 moles.

moles of HCl = concentration × volume = 0.2 M × 0.5 L = 0.1 moles

moles of NaOH = 0.1 moles

Finally, we need to calculate the volume of 1.5 × 10^(-2) M NaOH required to provide 0.1 moles of NaOH.

moles of NaOH = concentration × volume

volume = moles of NaOH / concentration

volume = 0.1 moles / 1.5 × 10^(-2) M = 6.67 L

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No, an electron is not seen as accelerating if it moves from a higher energy level to a lower energy level. Changes in an electron's energy state, rather than changes in its velocity or acceleration, cause an electron to migrate between energy levels.

Instead of being characterized by an electron's velocity or acceleration, the location of an electron within an atom is described in terms of energy levels or "orbitals" in atomic physics. An electron emits energy in the form of electromagnetic radiation, such as light or photons, as it transitions from one energy level to another. The electron's transfer to a lower energy orbital—not its acceleration—is what causes this change in energy state.

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A probing question that lies within the scope of physics could be: "What is the nature of dark matter and dark energy, and how do they influence the expansion of the universe?

Dark matter and dark energy are hypothetical forms of matter and energy that are believed to exist based on their observed gravitational effects on galaxies and the expansion of the universe.

Dark matter is thought to be a type of matter that does not interact with light or other electromagnetic radiation, while dark energy is an unknown form of energy that is causing the universe to expand at an accelerated rate.

Exploring the nature of dark matter and dark energy falls under the purview of physics because it involves understanding the fundamental forces and particles that govern the behavior of the universe.

Physicists study these phenomena by analyzing the gravitational effects they have on visible matter, conducting experiments to detect dark matter particles, and developing theoretical models to explain their properties and interactions.

Addressing this probing question requires the application of various branches of physics, such as cosmology, astrophysics, particle physics, and quantum mechanics.

Researchers employ observational data, theoretical frameworks, and advanced technologies to investigate the nature and origin of dark matter and dark energy, contributing to our understanding of the fundamental nature of the universe and its evolution.

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Using significant figures 0.00296 moles of helium can be calculated to be contained in the balloon.

You might have learnt in school that at STP (Standard Temperature and Pressure), the temperature is 273.15 K and the pressure is 1 atm. The molar volume of any given gas at STP will always be 22.4 L/mol. This will perhaps be known to you as Avogadro's Law.

You are having 75.000 mL of helium, which is 0.075 L. To find the number of moles of helium, you will make use of the ideal gas law:

PV = nRT

The notations are commonly known as P for pressure, V for volume, n is for number of moles, R for gas constant, and T for temperature in Kelvin scale.

At STP, P = 1 atm and T = 273.15 K. The gas constant R is 0.08206 L·atm/mol·K.

So you will then have:

n = PV/RT = (1 atm)(0.075000 L)/(0.08206 L·atm/mol·K)(273.15 K)

n = 0.00296 mol

Using significant figures, you can then round this to three significant figures:

n = 0.00296 mol

The numbre of moles is 0.00296. This is your final answer.

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Answer:

red dwarf star

Explanation:

Answer:

now I'm no expert but

Explanation:

all ik is that stars can be about 8.7 percent the diameter of the sun, hoped it helped^^

Answer:

3.38  Tablespoons

10.14 Teaspoons

0.21 U.S. Cups

0.18 Imperial Cups

0.20 Metric Cups

50.00 Milliliters

Explanation:

The CNO cycle in high-mass main-sequence stars burns hydrogen to helium in their cores.

The CNO cycle, or the carbon-nitrogen-oxygen cycle, is a nuclear reaction that occurs in the cores of high-mass main-sequence stars. In this process, hydrogen is converted into helium through a series of reactions involving carbon, nitrogen, and oxygen.

During the CNO cycle, carbon acts as a catalyst, meaning it facilitates the reaction without being consumed. The cycle starts with the fusion of hydrogen nuclei, or protons, to form helium. This fusion process releases energy in the form of light and heat, which is what makes stars shine.

The carbon in the star's core interacts with the hydrogen nuclei, and through a series of intermediate reactions involving nitrogen and oxygen, the carbon is regenerated. This allows the process to continue and the star to sustain its energy production.

So, in answer to the question, the CNO cycle in high-mass main-sequence stars burns hydrogen to helium in their cores. The carbon, nitrogen, and oxygen are involved in intermediate steps of the cycle, but they are not consumed in the process. Therefore, the correct answer is C. hydrogen; helium.

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Since 32p has first-order kinetics and a half-life of 14.3 days, it will take 62 days for 95.0% of a sample to degrade. The half-life of a chemical reaction is the time interval during which the concentration.

Of a particular reactant reaches 50% of its initial concentration (i.e. the time taken for the reactant concentration to reach half of chemical reaction and its initial value). The sign "t1/2" is used to denote it and is frequently expressed in seconds. Isotopes are two or more atom types that share the same atomic number (number of protons in their nuclei) and position in the periodic table. 0.693/14.3 = 2.303/t *(log(100/5))

t = 61.82 days

t = 62days

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The balanced equation of the reaction is:

\(O_2 + 2 NO\) ⇒ \(2 NO_2\)

Every gas occupied 24 L in one mole in r.t.p. according to the equation:

\(24 \times n = V\)

8/24=0.333 mol

2 moles of NO makes 2 moles of \(NO_2\\\) so

0.333*24=8L