cℎ???????????????? (????) = m???????????? o???? copp???????? × 1 mo???? ???????? mo???????????? m????????????(????) × 2 mo???? ???? − 1 mo???? ???????? × ???? ( ???? mo???? ???? − )
Derive an equation to calculate Faraday’s constant, F, in terms of mass of Copper (m), current (I), time (t) and the molar mass of Copper (MCu).

Hence, methionine is the common starting amino acid for all polypeptides, however further processing processes may remove some of the original methionine.

While a start codon is necessary for translation to commence, the codon AUG can also come later in an mRNA's coding sequence, where it only designates the amino acid methionine.

646464 distinct codons make up the genetic code, as was already explained. But what are the 444444 additional codons accomplishing if there are only 202020 amino acids? Some are stop codons, as we saw, but the majority are not. Yet, it turns out that the genetic code is degenerate, meaning that some amino acids are defined by more than one codon. Proline, for instance, is encoded by four distinct codons (CCU, CCC, CCA, and CCG). Whenever an mRNA has one of these codons.

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Answer:

Explanation:

Answer:

halogen

Explanation:

Group VIIA/halogen/ is the only group in periodic table in which all the elements are nonmetals. This group contains F, Cl, Br, I, and At. Halogen meaning salt producer.

Answer:

A

Explanation:

Geometric isomers have profound effects on the physical properties properties of compounds. one physical property affected by this geometry is the melting point.

The physical property that will affected by the geometrical isomers are the melting point. let us take an example to understand the effect :

the isomers of 1,2 - dichloromethane is the cis 1,2 - dichloromethane and the trans 1,2 - dichloromethane. the table for the melting point and the boiling point is given below as :

isomers              melting point              boiling point

cis                            -80 °C                         60 °C

trans                           - 50 °C                         48 °C

it can easily be concluded from the table that :

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Answer:

hope this helped.

Explanation:

Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.

When the hydrate of CuSO4·5H2O (copper sulfate pentahydrate) is heated, it undergoes a chemical reaction that results in the loss of water molecules, leaving behind anhydrous CuSO4 (copper sulfate). This process is known as dehydration. The reaction proceeds in the direction of the products as the anhydrous CuSO4 is the thermodynamically stable form of copper sulfate at high temperatures.

Copper sulfate pentahydrate (CuSO4·5H2O) is a crystalline compound that contains five water molecules (H2O) per formula unit. When this compound is heated, the water molecules are lost, and the remaining compound is anhydrous CuSO4. This process is known as dehydration, and it is an example of a chemical reaction.

The chemical equation for the dehydration of copper sulfate pentahydrate can be represented as follows:

CuSO4·5H2O(s) → CuSO4(s) + 5H2O(g)

In this equation, the arrow points in the direction of the products, indicating that the reaction proceeds in that direction. This means that, upon heating, the hydrate of copper sulfate loses its water molecules, and the anhydrous form of the compound is formed.

The driving force for this reaction is the thermodynamic stability of anhydrous CuSO4 at high temperatures. Anhydrous CuSO4 is more stable than copper sulfate pentahydrate at temperatures above 100°C, and as such, the reaction proceeds in the direction of the products, leading to the formation of anhydrous CuSO4.

In conclusion, the dehydration of copper sulfate pentahydrate results in the formation of anhydrous CuSO4, and the reaction proceeds in the direction of the products due to the thermodynamic stability of anhydrous CuSO4 at high temperatures.

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Answer:

boron

Explanation:

Boron and aluminum lie in same group in modern periodic table and both have three valence electrons

As the fuel burns, chemical reactions occur within the fuel, breaking up molecules, forming new molecules, and releasing energy. The energy released allows parts of the engine to move. The chemical energy is all transformed into thermal and mechanical energy.

Mechanical energy is the sum of potential energy and kinetic energy that an object has due to its motion and position. It is the energy associated with the motion and position of an object.

For example, when a person lifts a weight and holds it above the ground, the person has done work and has increased the object's potential energy. This potential energy is converted to kinetic energy when the person releases the weight and it falls. The kinetic energy of the falling weight is converted to other forms of energy, such as sound and heat, when it strikes the ground.

On the other hand, when a car is accelerating, it is converting its chemical energy (from the gasoline) into mechanical energy. This mechanical energy is then used to move the car forward. The mechanical energy is then converted to other forms of energy, such as heat and sound, when the car brakes.

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Explanation:

you need to review these formulas

The net ionic equation for the behavior of ethylamine (C₂H₅NH₂) as a Bronsted-Lowry base in water is:

C₂H₅NH₂ + H₂O → C₂H₅NH₃⁺ + OH⁻

The net ionic equation for the behavior of benzoic acid (C₆H₅COOH) as a Bronsted-Lowry acid in water is:

C₆H₅COOH + H₂O → C₆H₅COO⁻ + H₃O⁺

In water, ethylamine (C₂H₅NH₂) can act as a Bronsted-Lowry base by accepting a proton (H⁺) from water. The reaction can be represented by the net ionic equation: C₂H₅NH₂ + H₂O → C₂H₅NH₃⁺ + OH⁻. In this equation, ethylamine (C₂H₅NH₂) accepts a proton from water (H₂O) to form the ethylammonium ion (C₂H₅NH₃⁺) and hydroxide ion (OH⁻). This shows the base behavior of ethylamine as it accepts a proton.

On the other hand, benzoic acid (C₆H₅COOH) can act as a Bronsted-Lowry acid in water by donating a proton (H⁺) to water. The reaction can be represented by the net ionic equation: C₆H₅COOH + H₂O → C₆H₅COO⁻ + H₃O⁺.

In this equation, benzoic acid (C₆H₅COOH) donates a proton to water (H₂O) to form the benzoate ion (C₆H₅COO⁻) and hydronium ion (H₃O⁺). This demonstrates the acid behavior of benzoic acid as it donates a proton.

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The mass of the hydrogen produced is 0.0174 grams.

We can see from the question that the excess reactant is the HCl. Now we know that;

Equation of the reaction; Zn (s) + 2HCl(aq) - > H2(g) + ZnCl2 (aq)

Mass of ZnCl2 formed in the reaction = 36.309g - 35.123g  = 1.186g

Number of moles of ZnCl2 = 1.186g/16286 g/mol = 0.0087 moles

Now;

1 mole of Zn would produce  1 mole of ZnCl2

x moles of Zn would produce 0.0087 moles of ZnCl2

x = 0.0087 moles of Zn

a) 1 mole of Zn would produce 1 mole of H2

0.0087 moles of Zn would produce 0.0087 moles of H2

Mass of H2 produced  = 0.0087 moles of H2 * 2 g/mol = 0.0174 grams

b)

Mass of Zn reacted according to the equation=  0.0087 moles of Zn * 65.38 grams/mole = 0.5688 grams

c)

Percentage of Zn in the alloy = 0.5688 grams/1.203g * 100 = 47.3 %

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The glass containing the effervescence tablet has a greater air space than the other.

The term effervescence refers to the evolution of a gas. An effervescence tablet is a tablet that is designed to release the gas called carbon dioxide.

When we add the effervescence tablet and compare the level of the water in the two bowls, we will see that the water in the glass containing the effervescence tablet has a greater air space than the other.

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Answer:

A location that is humid, would most likely support a marsh ecosystem.

Explanation:

The Florida Everglades are an example of a marsh :)

"Marshes are a type of wetland ecosystem where water covers the ground for long periods of time. Marshes are dominated by herbaceous plants, such as grasses, reeds, and sedges."

Answer:

2.6299

its easy

Answer:

Explanation:

1 mole of He is 4 gm

36 gm of He is 36/4=9 moles of He

1 mole of N2 is 14X2=28 gm

140 gm of N2 is 140/28 =5 moles

1 mole of CO2 is (12 + 16x20) = 44 gm

264 gm CO2 = 264/44 =6 MOLES

TOTAL MOLES IS 9 + 5 +6 = 20 MOLES

MOLE FRACTION OF He IS 9/20

total pressure due to all of the moles is 15 ATM

(3/4)x9 =27/4 =6.75 atm

Answer:

0.0250 dm 3.

Explanation:

Volume of sodium hydroxide solution = 25.00 ÷ 1000 = 0.0250 dm 3. Amount of sodium hydroxide = 0.100 × 0.0250 = 0.00250 mol. From the equation, 0.00250 mol of NaOH reacts with 0.00250 mol of HCl

Henry's Law expresses the solubility of gases in water based on the partial pressure of the gas. The mathematical formula for this is as .

gas is the concentration of the dissolved gas, kH is Henry's law constant, and P gas is the partial pressure of the gas. Calculate the mass in grams of N2O gas that can be dissolved in 1250. mL of water at 25.0°C and a N2O partial pressure of 0.90 atm.

Henry's Law constant for N2O at 25.0°C = 0.025 M/atm Partial pressure of N2O = 0.90 atm Volume of water = 1250 mL or 1.25 Liters We can use Henry's Law equation to solve for the concentration of N2O gas in water .Cgas =  kH * Pgas Putting in the values.

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The water and the alcohol will start to evaporate once you start blowing on your hand. Compared with water, alcohol has a lower heat of evaporation.

In the water cycle, evaporation is more important than precipitation.Rain is the fastest way for nature to distribute water in the water cycle. Evaporation from the earth's water surface is required to turn water into air, which will become the cloud, prior to the possibility of rain. The act of condensing will then cause the clouds to turn into rain. The evaporation of water, as opposed to the evaporation of alcohol, involves a greater heat transfer for a given amount of liquid.

the fact that alcohol has a lower boiling temperature than water is important in the process of

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Answer:

contains more matter

hope it helps

The largest atom will be the one with the greatest number of protons and neutrons. To know which one of them is, we have to compare molecular masses and the greatest one will be the one of the largest atom.

From the given, iodine is the element with the greatest molecular mass, it means that this is the element with the largest neutral atom.

The answer is iodine.

One mole or 12 g of carbon gives one mole or 16 g of methane gas. Then, 2750 g must give 3666 g. But the actual yield is 1740 g. Then the percent yield is 47.4%.

The percent yield of a reaction is the ratio of the actual yield to the theoretical yield multiplied by 100. It expresses how much of the reactants are effectively consumed to give the product.

The formation of methane gas is written as :

C + 2H₂ ⇒ CH₄

As per the reaction, one mole or 12 g of carbon gives one mole or 16 g of methane gas.

Then 2750 g of carbon will give,

(16 × 2750)/12 = 3666 g.

actual yield  = 1740 g.

Then,

percent yield = 1740 g/3666 g × 100 = 47.4%.

Therefore, the percent yield of the reaction is 47.4%.

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For the given reaction 30 moles of O2 are needed to produce exactly 20 moles of CO2.

A chemical reaction is a process in which reactants interact chemically and transform into products. As an illustration, during respiration, oxygen is inhaled, which reacts with glucose to produce carbon dioxide, water, and energy.

When there are the same numbers of each type of atom in the reaction on both the reactant and product sides of the equation, the chemical reaction is said to be balanced. A chemical equation that is in balance will have an equal amount of mass and change.

Calculation:

Given:

CH3OH + O2 = CO2+H2O

Now, balance the given chemical reaction,

\(20CH3OH + 30O2 = 20CO2+ 40H2O\)

So, 30 moles of O2 are needed for the production of 20 moles of CO2.

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Answer:

!atoms in the nitrogen family.. have 5 valence electrons. They tend to share electrons when they bond. Other elements in this family are phosphorus, arsenic, antimony, and bismuth.

Answer: the answer is A

Explanation:

Atoms are composed of a central nucleus surrounded by electrons. The central nucleus contains protons and neutrons. Protons have a positive charge, while neutrons are neutral.

Electrons, on the other hand, have a negative charge. The number of protons in an atom determines its atomic number, which defines its identity as a specific element. For example, an atom with six protons is carbon. Neutrons, although they do not affect the atom's identity, contribute to its mass. Electrons, which are much smaller and lighter than protons and neutrons, orbit around the nucleus in specific energy levels or electron shells. These shells can accommodate a limited number of electrons.

For instance, the first shell can hold up to two electrons, the second shell can hold up to eight, and so on. The arrangement and movement of electrons in these shells determine an atom's chemical properties and how it interacts with other atoms to form compounds. Understanding the composition and behavior of atoms is fundamental to understanding the structure of matter.

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The answers include the following:

1. Multiple lenses provide various magnifications is called compound microscope.

2. Provides support for the microscope is called base.

3. Used to sharpen image is called a fine adjustment knob.

4. Connects to a base is called an arm.

5. The flat platform where slides are placed is called a stage.

6. The lens you look through is called eyepiece lens.

This is referred to an instrument which is used to examine objects or organisms which are too small to be seen with the eyes.

It has different parts such as the stage where the specimens are placed for observation and so on.

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