For compounds ch3ch2ch2ch2ch3 and ch3ch2ch2ch2ch2ch3 , indicate the type of forces that are involved.

The sugar is the covalent compound. The sugar is composed of the carbon, the oxygen, and the hydrogen .

The Sugar, are composed of the carbon, the oxygen, and the hydrogen and has the covalent bonds. The covalent bond is formed when the bond is formed by the mutual sharing of the electrons in between the atoms or the molecules.

The compound formed by the covalent bond is called as the covalent compounds. Therefore, the sugar is the covalent compound as  all the covalent bonds in the sugar molecules arise by the  result of the electron sharing in between the atoms.

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Answer:

Light bulbs

Explanation:

light waves are electromagnetic waves which can travel through a vacuum

Answer:

Active transport

Explanation:

Active transport is defined as the movement of ions or molecules from a region of lower concentration into a region of higher concentration by the use of energy. Two examples of active transport include the uptake of glucose in human intestine and the absorption of mineral ions into plant roots.

Active transport requires energy because it involves the movement of molecules against an existing concentration gradient.

K2SO4(aq) solution to be add to of the mixture of ba2 (aq)ba2 (aq) and mg2 (aq)mg2 (aq) to precipitate one cation while keeping the other cation in solution

When we add K2SO4(aq) to a mixture of Ba2+(aq) and Mg2+(aq), only Ba2+(aq) precipitates out as BaSO4 while Mg2+ remains in aqueous solution.

Here 2 K+ and Mg2+ exist in aqueous solution.

Net Ionic Equation: Ba2+(aq) + SO42-(aq) → BaSO4 (s)

Precipitation is the process of changing a dissolved material from a super-saturated solution to an insoluble solid in an aqueous solution. Precipitate refers to the produced solid. The chemical agent that initiates the precipitation in an inorganic chemical process is referred to as the precipitant.

The term "supernate" or "supernatant" also refers to the clear liquid that remains on top of the precipitated or centrifuged solid phase.

When solid impurities separate from a solid phase, the concept of precipitation may also be used to other areas of chemistry, such as organic chemistry and biochemistry, as well as the solid phases (such as metallurgy and alloys).

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A stream's discharge refers to the volume of water passing a fixed point per unit time.

Discharge is an important characteristic of a stream because it helps to determine the flow rate of water and how much water is being transported downstream.

Discharge can be affected by various factors such as the size and shape of the stream channel, the slope of the stream bed, and the amount of precipitation and runoff in the area. Measuring discharge can be done through various methods such as stream gauging and velocity-area methods.

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Photosynthesis can be performed by euglena, two reactants for photosynthesis are carbon dioxide and water, and euglena can switch to being heterotrophic.

a. Based on the diagrams, the organism that is able to perform photosynthesis is Euglena. This is because Euglena has chloroplasts, which are responsible for photosynthesis. The other two organisms, bacteria, and paramecium, do not have chloroplasts.

b. The two reactants for photosynthesis are carbon dioxide and water.

c. Euglena can switch to being heterotrophic when light is limited or not available. In such conditions, it cannot perform photosynthesis and must obtain its energy from other sources.

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Your question is incomplete, most probably the full question is this:

Many different microscopic organisms can be found in pond ecosystems, including the three organisms shown in the diagrams below. The primary cellular structures in each of these single-celled organisms are labeled in the diagram. Some of the structures are common to all three organisms and other structures are not. One of the three organisms below can obtain energy through photosynthesis. a. Based on the diagrams, identify which organism is able to perform photosynthesis. Explain your reasoning. b. Identify the two reactants for photosynthesis. c. At times, this photosynthetic organism can switch to being heterotrophic. Describe a condition that would favor this organism being heterotrophic. Explain your answer.

The image is attached below:

Answer:Solve for X+ 2x=

Explanation:

Answer:

9

Explanation:

Nitrogen-16

Atomic number of nitrogen= 7

electrons=7

protons=7

neutrons= ?

Nitrogen-'16'= 16 means the mass

16-7= 9

There are 9 neutrons in Nitrogen-16

Answer:

See Explanation

Explanation:

1) Let us recall that;

Mass number = number of protons + number of neutrons

Where;

Number of protons = ?

Number of neutrons =20

Mass number =39

Number of protons = mass number - number of neutrons

Mass of protons =39 - 20= 19 protons

2) Atomic number = 13

Number of neutrons =14

Then the mass number =13 +14 =27

The symbol of the element is 27X13

The number of protons= the number of electrons =13

The atomic number is the same as the proton number =13

Answer:

the lungs are part of the respiratory system

Explanation:

Allows you to talk and to smell

Oxygen to the cells in your body

and helps you breathe

Answer:

Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system's main job is to move fresh air into your body while removing waste gases.

Explanation:

Main functions of the lungs : -

Answer:

2.78%

Explanation:

The reaction is completed by the equation below: \(3H_2 + N_2 --- > 2NH_3\)

They are chemical reactions in which two or more molecules react to produce a single product.

In this case, the synthesis reaction is that of ammonia. Molecules of hydrogen gas and nitrogen gas combine to produce ammonia.

The equation of the reaction is as follows: \(3H_2 + N_2 --- > 2NH_3\)

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Answer:

the time taken for the radioactivity of a specified isotope to fall to half its original value.

Explanation:

If a piece of copper alloy with a mass of 85.0g is heated from 30.0 °c to 45.0°C . in the process it absorbs 523 j of energy as heat. The specific heat of the copper alloy is  0.41 J/g°C.

The specific heat of the copper alloy can be determined as follows;

The values are given as; Mass of copper = 85.0 g, Temperature of the copper initially, T1 = 30.0°C, Temperature of the copper finally, T2 = 45.0°C, Heat absorbed by copper = 523 J

The formula for the specific heat of a substance is given by;

q = mc ΔT

Where q = heat absorbed by the substance, m = mass of the substance, c = specific heat capacity of the substance, ΔT = temperature change of the substance

The equation can be rearranged to give the formula for the specific heat of a substance;

c = q / (mΔT)

Substituting the values given into the equation;

c = 523 J / (85.0 g * (45.0 - 30.0)°C)

c = 0.524 J/g °C

Therefore, the specific heat of the copper alloy is 0.41 J/g°C.

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When a bond is formed between a lithium atom and a fluorine atom, the electrons are transferred from the lithium atom to the fluorine atom to form an ionic bond.

Lithium has one valence electron in its outermost shell, while fluorine has seven valence electrons in its outermost shell. Lithium can lose its valence electron to achieve a stable configuration similar to that of the noble gas helium, which has a full outermost shell with two electrons.

On the other hand, fluorine can gain one electron to achieve a stable configuration similar to that of the noble gas neon, which has a full outermost shell with eight electrons.

Thus, when a bond is formed between a lithium atom and a fluorine atom, the lithium atom loses its one valence electron to become a positively charged ion (\(Li^+\)), while the fluorine atom gains one electron to become a negatively charged ion (\(F^-\)).

The opposite charges of these ions attract each other, resulting in the formation of an ionic bond between them. The resulting compound is lithium fluoride (LiF), a solid with high melting and boiling points due to the strong electrostatic forces between the positively charged lithium ions and negatively charged fluoride ions.

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which compound has the highest magnetic moment

The combustion of 30.0 g of glucose at room temperature and pressure produces 24.0 L of carbon dioxide.

It is a reaction in which a substance burns with oxygen to form carbon dioxide and water.

Let's consider the combustion of glucose.

C₆H₁₂O₆ + 6 O₂ ⇒ 6 CO₂ + 6 H₂O

First, let's convert 30.0 g of glucose to moles using its molar mass.

30.0 g × 1 mol/180.16 g = 0.167 mol

The molar ratio of C₆H₁₂O₆ to CO₂ is 1:6. The moles of carbon dioxide produced are:

0.167 mol Glucose × (6 mol CO₂/1 mol Glucose) = 1.00 mol CO₂

1 mol of an ideal gas at room temperature and pressure occupies 24.0 L.

The combustion of 30.0 g of glucose at room temperature and pressure produces 24.0 L of carbon dioxide.

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In the event that the volume I multiplied at contant preure and the ame measure of gas molecule, the temperature will be split

From ideal gas equation, PV = nRT

This implies n= PV/RT

Presently, strain and temperature both are multiplied and volume is split

In this way, obviously the number of moles will likewise turn out to be half

The observational connections among the volume, the temperature, the tension, and how much a gas can be joined into the ideal gas regulation, PV = nRT.For a gas to be "ideal" there are four overseeing suppositions: The gas particles have irrelevant volume. The gas particles are similarly estimated and don't have intermolecular powers (fascination or repugnance) with different gas particles. The gas particles move haphazardly in concurrence with Newton's Laws of Motion.The ideal gas equation is planned as: PV = nRT. In this equation, P alludes to the strain of the ideal gas, V is the volume of the ideal gas, n is the aggregate sum of ideal gas that is estimated as far as moles, R is the widespread gas steady, and T is the temperature.

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Answer:

the 3rd one (0.01 cm the one selected already)

Explanation:

copper wire isn't excessively big, and it wraps around the pencil because its malleable. I think that the most accurate would be 0.01 cm

Answer:

I don't know about the rest but A is heptane

The complete question is as follows: 2 molecules of potassium chlorate (KClO3) form 2 molecules of potassium chloride (KCl) and 3 molecules of oxygen (O2). Write a balanced equation for this reaction?

Answer: The balanced chemical equation is \(2KClO_{3} \rightarrow 2KCl + 3O_{2}\).

Explanation:

A balanced equation is defined as the equation which contains same number of atoms on both reactant and product side when a chemical reaction occurs.

Hence, when 2 molecules of potassium chlorate \((KClO_{3})\) form 2 molecules of potassium chloride (KCl) and 3 molecules of oxygen \((O_{2})\) then its balanced equation will be as follows.

\(2KClO_{3} \rightarrow 2KCl + 3O_{2}\)

Here, number of atoms on the reactant side as as follows.

Number of atoms on the product side are as follows.

Since, the number of atoms on reactant side are equal to the number of atoms on product side. So, this reaction equation is balanced.

Thus, we can conclude that the balanced chemical equation is \(2KClO_{3} \rightarrow 2KCl + 3O_{2}\).

The volume of 0.510-m naoh solution needed to completely neutralize 81.6 ml of a 0.510-m solution of the monoprotic acid hbr is 81.6ml.

A neutralization reaction can be defined as the chemical reaction in which an acid and base quantitatively reacts  together to form a salt and water as the products. In a neutralization reaction, there is a combination of H+ ions and OH– ions which form water.

When a strong acid reacts with a strong base the resultant salt that is produced is neither acidic nor basic in nature i.e. it is neutral. For example when HCl (Hydrochloric acid), a strong acid, reacts with NaOH, a strong base, the resulting salt is sodium chloride and water.

In the above case to find out the volume we use the below formula;

\(N_{1}V_{1}\) = \(N_{2}V_{2}\)

\(V{1}\) = \(N_{2}V_{2}\) ÷ \(N_{1}\)

⇒ 81.6 × 0.510 = 81.6ml

      0.510

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The total genetic variation found in members of a population is called the gene pool. The gene pool refers to the complete set of alleles (versions of a gene) present in a population.

It includes all the genetic information that is available for the population to evolve and adapt to its environment over time.

The gene pool can be affected by various factors, including natural selection, genetic drift, gene flow, and mutation. These factors can alter the frequency of alleles in the gene pool, leading to changes in the genetic make-up of the population over generations.

Understanding the gene pool is important in fields such as evolutionary biology, population genetics, and conservation biology, as it provides insight into the genetic diversity and potential for adaptation within a population.

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Answer:

KNO3 (Potassium Nitrate)

Explanation:

I just know.

In electron capture, an atomic electron is absorbed by a proton in the nucleus, turning the proton into a neutron. The electron starts as a regular atomic electron, with its wavefunction spreading through the atom and overlapping with the nucleus.

Hopefully this is helpful sorry for no explanation i am not good at explaining things

The 1.35 mg sample of plutonium-236 (Pu-236) will take approximately 38.61 years to decay to 0.100 mg, based on its half-life of 2.86 years.

To calculate the time it will take for the 1.35 mg sample of plutonium-236 (Pu-236) to decay to 0.100 mg, we can use the concept of half-life.
First, we need to determine the number of half-lives required for the decay. We can do this by dividing the initial amount of Pu-236 (1.35 mg) by the amount it decays each half-life (0.100 mg).
1.35 mg / 0.100 mg = 13.5 half-lives
Since the half-life of Pu-236 is 2.86 years, we can calculate the total time it will take by multiplying the number of half-lives by the half-life duration:
13.5 half-lives * 2.86 years = 38.61 years
Therefore, it will take approximately 38.61 years for the 1.35 mg sample of Pu-236 to decay to 0.100 mg.

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The reaction mixture in the nitration of methyl benzoate is poured over ice rather than poured into cold water for safety reasons and to control the reaction conditions.

The nitration of methyl benzoate involves the reaction of methyl benzoate with a mixture of concentrated nitric acid and sulfuric acid. The nitration of methyl benzoate is an exothermic reaction that releases a substantial amount of heat. To prevent excessive heat buildup and potential thermal runaway, it is crucial to rapidly cool down the reaction mixture and maintain it at a safe temperature.

Pouring the reaction mixture over ice helps to rapidly reduce the temperature and control the reaction. Ice has a lower temperature compared to cold water, providing more effective cooling. The ice absorbs the excess heat generated during the nitration reaction, helping to prevent overheating and the potential for uncontrolled reactions or hazardous situations.

Using ice also helps in minimizing the solubility of reaction by-products and unreacted reagents, aiding in their separation and purification. Additionally, the formation of ice crystals can help facilitate the isolation of the desired product.

Pouring the reaction mixture over ice rather than cold water ensures better control of the reaction temperature and enhances safety during the process.

The question should be:

3. In the nitration of methyl benzoate, why is the reaction mixture poured over ice rather than poured into cold water?

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The idea of matter being continuous was accepted by the public until the time of A. Democritus.

Democritus, an ancient Greek philosopher, was one of the first thinkers to propose the concept of atoms, suggesting that all matter was composed of indivisible and indestructible particles called "atomos." Before Democritus, the prevailing belief was that matter was continuous and infinitely divisible, a view supported by B. Aristotle, another prominent Greek philosopher. However, Democritus' atomic theory did not gain widespread acceptance until C. Dalton, an English chemist, developed his atomic theory in the early 19th century.

Dalton's atomic theory included ideas like atoms of the same element are identical in mass and properties, atoms cannot be created or destroyed, and atoms combine in simple whole number ratios to form compounds. In conclusion, the concept of continuous matter was widely accepted until the time of Democritus, but it wasn't until Dalton's atomic theory that the modern understanding of atoms and matter was established. So the correct answer is A. Democritus.

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Answer:

wheres the options?

Explanation: