Name the following compound

Answer:

measuring the consumption of the products and the rate of conversion of products to reagents

Explanation:

It must be taken into account that the reaction rate also depends on the presence of a catalyst, since these advance the rate of the reaction.

A pencil is viewed through a concave lens then upright position described the image. Therefore option B is correct.

A concave lens is one that bends a straight light beam away from the source and focuses it into a distorted, upright virtual picture. Both actual and virtual pictures can be created using it. At least one internal surface of concave lenses is curved.

A concave lens always creates an image that is smaller than the actual item because it spreads out light rays and is thicker at the borders than in the center. Hence If we were to see a pencil, it would appear smaller than it actually is.

Thus, A pencil is viewed through a concave lens then upright position described the image. Therefore option B is correct.

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Answer:

70 moles is an Alluminium

Answer:

How do amoeba respire.

Define Diffusion.

Answer:

The solute is salt and the solvent is water

Explain:

Because salt is a component the dissolves in the solvent

Answer:

the molar mass of Mg(NO3)2

the mass of the water added the density of the Mg(NO3)2

the volume of water used

Calculate the number of moles of Mg(NO3)2 used to make up this solution. 42.0 g of Mg(NO3)2 is equivalent to___ mol Mg(NO3)2.

Now calculate the molarity of the solution, giving your answer to the correct number of significant digits.

Molarity of Mg(NO3)2 = ___M

Answer:

The answer is B, in this case.

Explanation:

An isomer is a molecule with the same number of atoms as another compound, but they differ in arrangement of the atoms.

Note that the above prompt on Ecology draws it's analysis form a well known story which have been told visually called "The Lion King".

The answers are:

1) Biotic Factors, simply put are living things

2 examples of things from Lion King Introduction are:

3) Abiotic factors are Non -living things.

4) Examples from the introduction are:

5) the symbiotic relationship is called: commensalism.

Long-term biological interactions known as commensalism occur when individuals of one species benefit while those of the other species suffer neither advantages nor harm.

Ecology which is the study of the environment, allows  a person  to comprehend how different types of creatures coexist in various kinds of physical settings.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

1) What is Biotic Factors

2) List three biotic factors from the Lion King introduction

3) What is Abiotic factors?

4) List three Abiotic factors from the Lion King introduction

5) The bird riding on the tusks of the elephant feed on insects the elephant stirs up. What kind of symbiotic relationship exists between the two?

Answer:

The relative atomic mass of element Z in this sample is 70.

Explanation:

The relative atomic mass of element Z in this sample is 69.6.

The percent recovery would be 83.65%

The percent recovery of a recrystallization reaction can be mathematically deduced as:

Percent recovery = recovered amount/amount of original sample x 100%

In this case, the recovered amount = 2.61 g, and the original amount of sample = 3.12. Thus:

Percent recovery = 2.61/3.12 x 100%

                           = 83.65%

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The Faraday constant relates the electrical charge on a mole of electrons to the number of electrons in one mole. The constant has a value of 9.6485 × 104 C/mol e-. The Faraday constant also equals the magnitude of electrical charge on one mole of electrons (F = 96,485 C/mol e-) and is the electrical charge of one mole of monovalent ions (e.g., Na+ and Cl-).

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1. The specific heat capacity of the metal is 0.102 J/gºC

2. The specific heat capacity of the metal is 0.432 J/gºC

3. The final temperature of water is 16.7 °C

First, we shall obtain the heat absorbed by the water. This is shown below:

Q = MCΔT

Q = 125 × 4.184 × 3.4

Q = 1778.2 J

Finally, we shall determine the specific heat capacity of the metal. This is shown below:

Q = MCΔT

-1778.2 = 2.36×10² × C × -74.1

-1778.2 = -17487.6 × C

Divide both sides by -17487.6

C = -1778.2 / -17487.6

Specific heat capacity of metal = 0.102 J/gºC

As discussed above, we shall first obtain the heat absorbed by the water. This is shown below:

Q = MCΔT

Q = 75.2 × 4.184 × 8.1

Q = 2548.56 J

Finally, we shall determine the specific heat capacity of the metal. This is shown below:

Q = MCΔT

-2548.56 = 95.3 × C × -61.9

-2548.56 = -5899.07 × C

Divide both sides by -5899.07

C = -2548.56 / -5899.07

Specific heat capacity of metal = 0.432 J/gºC

The final temperature is the same as the equilibrium temperature of the mixture. Thus, we shall obtain the equilibrium temperature. Details below:

Heat loss by warm water = Heat gain by cold

MᵥᵥC(Tᵥᵥ - Tₑ) = MC(Tₑ - T)

Cancel out C

Mᵥᵥ(Tᵥᵥ - Tₑ) = M(Tₑ - T)

100 × (50 - Tₑ) = 50 × (Tₑ - 20)

Clear bracket

1500 - 100Tₑ = 50Tₑ - 1000

Collect like terms

1500 + 1000 = 50Tₑ + 100Tₑ

2500 = 150ₑ

Divide both side by 150

Tₑ = 2500 / 150

Tₑ = 16.7 °C

The equilibrium temperature is 16.7 °C.

Thus, we can conclude that the final temperature of the water is 16.7 °C

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Answer:

C

Explanation:

edg

Answer:

C

Explanation:

got it right on Edge

Answer:

17.9

Explanation:

to find mass you multiply density and volume. so mass=(51)(0.351) which is 17.901

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0.72 moles SO2 contains 4.33 × \(10^{23}\) molecules.

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When analyzing the effect of reflux ratio on the yield and purity of ethanol in the distillate stream, it is important to understand that the reflux ratio is the ratio of the liquid returned to the top of the distillation column to the amount of liquid removed as distillate.

In a plot with reflux ratio on the x-axis and yield/purity on the y-axis, you would observe the following trends:

1. As the reflux ratio increases, the purity of ethanol in the distillate stream also increases. This is because a higher reflux ratio allows for a greater number of theoretical trays, which leads to better separation between the components. As a result, the concentration of ethanol in the distillate will be higher, leading to a higher-purity product.

2. However, the yield of ethanol will initially increase with the reflux ratio but reach an optimum point and then start to decrease. This is because, at low reflux ratios, there is not enough liquid returning to the column, resulting in reduced separation efficiency and a lower yield of ethanol.

In summary, increasing the reflux ratio will improve the purity of ethanol in the distillate stream while having an initial positive effect on the yield up to an optimal point. After that point, increasing the reflux ratio further will lead to a decrease in the yield of ethanol.

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Answer:

D. contains the maximum amount of solute that will dissolve in that solvent at that temperature.

Explanation:

Solubility is a term used to describe how readily a substance can be dissolved in a solvent to form a solution. Thus, a substance is said to be soluble if it dissolves completely in a solvent and insoluble if it doesn't dissolve or only dissolves partially.

For example, sodium chloride (NaCl) when mixed with water dissociates into sodium and chloride ions. Thus, salt (sodium chloride) is said to be soluble because it dissolves completely in water.

Hence, a compound that dissolves in water to produce an aqueous solution is said to be soluble in water. Also, the solute of an aqueous solution that conducts electricity is called an electrolyte.

In Chemistry, dissolution can be defined as the process of dissolving or dissociating a solute in solid, liquid or gaseous phase into fragmented particles by a solvent in order to form a solution. For dissolution to occur in solids, the crystalline structure of the substance must be broken up so as to release ions, atoms or molecules to produce a solution. For liquid and gases, the substance to be dissolved must form a non-covalent bond with the solvent to produce a solution.

Generally, a saturated solution contains the maximum amount of solute that will dissolve in that solvent at that temperature.

Answer:

241.08039999999588

Explanation:

Answer:

Celcius

Farenheit

Kelvin

Explanation:

Answer:

M = 1.04 M

Explanation:

Given data

Molarity of solution = ?

Mass of HCl = 6.27 g

Volume of solution = 163 mL (163 mL× 1L /1000 mL = 0.163 L)

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Number of moles of HCl:

Number of moles = mass/molar mass

Number of moles = 6.27 g / 36.5 g/mol

Number of moles = 0.17 mol

Molarity:

M = 0.17 mol/ 0.163 L

M = 1.04 M

Answer:

4.6

Explanation:

Physics is a vast field that addresses a wide range of questions about the nature of the physical world. Probing questions can help to explore this field and encourage critical thinking and deep exploration of its topics.

Probing questions are open-ended questions asked to gather information, encourage critical thinking and deep exploration of a particular topic. Physics is a natural science that studies matter and its motion through space-time. It is a branch of science that deals with the fundamental nature of the universe and seeks to explain how and why objects behave as they do in the physical world.The following are some examples of probing questions within the scope of physics:What is the nature of light-The nature of light is an important topic within the scope of physics. It refers to the dual nature of light, as both a wave and a particle. Light behaves as a wave when it is traveling through space and as a particle when it is interacting with matter.How do magnets work-Magnets are a common object in the world around us, and they have a broad range of applications. They work by producing a magnetic field, which can attract or repel other magnetic objects. This topic lies within the scope of physics.What is the relationship between energy and matter-Energy and matter are two fundamental concepts in physics. The relationship between them is described by Einstein's famous equation E=mc2, which states that matter and energy are two forms of the same thing and are interchangeable. The study of the relationship between energy and matter lies within the scope of physics.What is the nature of the universe?The study of the universe's nature is one of the most significant topics within the scope of physics. This question addresses the origins and properties of the universe, its components, and the laws that govern its behavior.

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Answer: The correct option is B.

Explanation:

The oxidation reaction is defined as the reaction in which a chemical species loses electrons in a chemical reaction.

A reduction reaction is defined as the reaction in which a chemical species gains electrons in a chemical reaction.

The chemical species will undergo a reduction reaction if the value of standard reduction potential is more positive or less negative.

For the given half-reactions:

\(Mg^{2+}+2e^-\rightarrow Mg(s);E^o_{Mg^{2+}/Mg}=-2.37V\)

\(Cu^{2+}(aq)+2e^-\rightarrow Cu(s);E^o_{Cu^{2+}/Cu}=+0.34V\)

As the value of standard reduction potential of copper is positive thus, it will undergo a reduction reaction and magnesium will undergo an oxidation reaction.

The half-reaction follows:

Oxidation half-reaction: \(Mg(s)\rightarrow Mg^{2+}(aq)+2e^-\)

Reduction half-reaction: \(Cu^{2+}(aq)+2e^-\rightarrow Cu(s)\)

Overall cell-reaction: \(Mg(s)+Cu^{3+}(aq)\rightarrow Mg^{2+}(aq)+Cu(s)\)

As it can be seen from the reaction that copper is forming as a pure metal in the product thus, it will be deposited and magnesium will be dissolved forming an aqueous solution.

Hence, the correct option is B.

One important chemical reaction in our daily life is the process of cellular respiration, which occurs in living organisms to produce energy in the form of ATP.

The reaction involves the breakdown of glucose, a type of sugar, into carbon dioxide and water, and the release of energy in the process. The general equation for cellular respiration is,

\(C_{6} H_{12} O_{6}\) + \(6O_{2}\) → \(6CO_{2}\) + \(6H_{2}O\) + energy (ATP)

This reaction occurs continuously in our cells, providing the energy needed for various cellular activities and bodily functions. Without cellular respiration, we would not be able to survive.

Another important application of chemical reactions in daily life is in the production of food. Cooking food involves various chemical reactions, including the breakdown of complex carbohydrates and proteins into simpler molecules, the caramelization of sugars, and the Maillard reaction between amino acids and reducing sugars. These reactions help to create the flavor, aroma, and texture of the food we eat.

In addition, chemical reactions are also used in the production of many consumer products, such as cleaning agents, cosmetics, and pharmaceuticals. The chemical reactions involved in these products are carefully designed and controlled to ensure their effectiveness and safety for use.

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Explanation:

It is the motion of particles that creates a form of energy called heat (or thermal) energy that is present in all matter. Tiny particles in solids, liquids and gases are always in motion. It is the motion of particles that creates a form of energy called thermal (heat) energy that is present in all matter.

Answer:

Ca(C2H3O2)2 has 30.41% carbon by volume

Explanation:

Answer:

zygote

Explanation:

I got this online

Answer:

=> In human fertilization, a released ovum (a haploid secondary oocyte with replicate chromosome copies) and a haploid sperm cell (male gamete)—combine to form a single 2n diploid cell called the zygote.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

\( \infty \infty \)