Help!!

The primary function of the chromosome is to—


A. Store the genetic instructions needed to specify traits

B. Release energy by breaking down food molecules

C. Transport waste materials rapidly out of the cell

D. Relay messages between different cells in animals

Typically, the species that is reduced is the oxidizing agent, while the species that is oxidized is the reducing agent. In reaction, a redox reaction converted Na and Cl to NaCl. We argue that Na+ has an oxidation number of +1 and Cl- has an oxidation number of -1 because NaCl contains both Cl- and Na+ ions.

Redox reactions include a change in the oxidation state of the substrate. When electrons are lost or the oxidation state increases, it is called oxidation; when they are gained or the oxidation state decreases, it is called reduction.

Sodium is oxidized (its oxidation number grows from 0 in Na to +1 in NaCl) and chlorine is reduced (its oxidation number reduces from 0 in Cl2 to 1 in NaCl) in the reaction between the two elements to produce sodium chloride.

Thus, a redox reaction converted Na and Cl to NaCl.

To learn more about redox reaction, follow the link;

https://brainly.com/question/13293425

#SPJ1

Yes, acids can be considered as fine chemicals.

Yes, acids can be considered as fine chemicals. Fine chemicals are pure and complex chemical substances, produced in relatively small quantities with high purity and quality standards. Acids, such as sulfuric acid, hydrochloric acid, nitric acid, acetic acid and phosphoric acid are widely used in the chemical industry as intermediates or raw materials in the production of a wide range of fine chemicals.

Many acids are also used in various industrial processes, such as electroplating, etching, and metal cleaning. Therefore, acids play a crucial role in production of fine chemicals and are considered as essential class of chemicals in the chemical industry.

To know more about chemicals, refer

https://brainly.com/question/29886197

#SPJ1

earths gravitational field?

Gizmo models real-life example of natural selection as it explores topics relating to hereditary and natural selection.

Natural selection is the process by which living organism populations adapt and change. Individuals in a population are naturally variable, which means they differ in some ways. This variation indicates that some people have traits that are better suited to their environment than others.

Natural selection is the differential survival and reproduction of individuals as a result of phenotypic differences. It is an important evolutionary mechanism.

Through inquiry and exploration, Gizmos assist students in developing a deep understanding of difficult concepts. Students interact with and explore hundreds of math and science topics ranging from heredity to trigonometry using Gizmos.

Learn more about natural selection on:

https://brainly.com/question/23929271

#SPJ1

Answer:

Gamma Rays is your answer

Answer:

because there's a chemical reaction that happens between the anions and cations. The cations are positive ions and anion are negative ions. the reaction occurs as one loses electrons and the other one gaining.

Answer: If a pinch of mercury is consumed you will die from it so using a mercury thermometer is very unsafe if its breaks and a child consumes that mercury.

Explanation:

Don't use one

If the glass breaks and the mercury is not properly cleaned up, the little silvery ball within a mercury thermometer might be hazardous. As the mercury evaporates, it may pollute the air around and turn dangerous to both people and animals.

Children that have been exposed to mercury have lower IQs, hearing impairments, and worse coordination.

Long-term exposure worsens and exacerbates symptoms, which may lead to personality changes or even coma.

Mercury thermometers can be replaced by a number of things:

These non-mercury fever thermometers are significantly safer and equally accurate as mercury thermometers.

Read more about Mercury Thermometers :

https://brainly.com/question/27323100

Answer:

D

Explanation:

the correct answer is D

Answer:

two years or more

Explanation:

The heat of fusion for this substance is 172.2 J/gram. The heat of fusion represents the amount of heat energy required to change one gram of the substance from the solid phase to the liquid phase at its melting point.

To calculate the heat of fusion for a substance, we need to divide the amount of heat absorbed by the mass of the substance.

Given:

Mass of the substance (m) = 20.0 grams

Heat absorbed (Q) = 3,444 J

Heat of fusion (ΔHf) = Q / m

Plugging in the values:

ΔHf = 3,444 J / 20.0 g

Calculating the result:

ΔHf = 172.2 J/g

Therefore, the heat of fusion for this substance is 172.2 J/gram. The heat of fusion represents the amount of heat energy required to change one gram of the substance from the solid phase to the liquid phase at its melting point. It is a characteristic property of the substance and helps determine the amount of energy needed for phase transitions.

For more question on fusion

https://brainly.com/question/17870368

#SPJ11

From the calculations, the amount of product formed is 3 moles of AlCl3

A chemical reaction is said to take place when two or more substances are combined to yield products.

The equation of the reaction is;

Al(NO3)3 + 3NaCl ------> 3NaNO3 + AlCl3

Given that 1 mole of Al(NO3)3 reacts with 3 moles of NaCl

x moles of Al(NO3)3 reacts with 9 mols of NaCl

x = 3 moles

This implies that NaCl is the limiting reactant.

If 3 moles of NaCl gives 1 moles of AlCl3

9 moles of NaCl gives 9 moles * 1 mole / 3 moles

= 3 moles of AlCl3

Learn more about chemical reaction:https://brainly.com/question/22817140?

#SPJ1

Answer:

141 ml

Explanation:

Approximately x% of the acid is dissociated in a 0.50 M solution of HA at 25°C.

The percent dissociation of an acid can be determined using the acid dissociation constant (Ka) and the initial concentration of the acid (HA). The mathematical expression for percent dissociation is:

Percent Dissociation = (Dissociated HA concentration / Initial HA concentration) * 100

In this case, we are given that the acid dissociation constant (Ka) for acid HA is known at 25°C, and we have a 0.50 M solution of HA. However, the value of Ka and specific acid are not provided, so we cannot calculate the exact percent dissociation.

To calculate the percent dissociation, you would need the value of Ka for the specific acid, which indicates the extent of dissociation at equilibrium. Based on this value and the initial concentration of HA, you can calculate the dissociated HA concentration and then use the mathematical expression mentioned above to determine the percent dissociation.

Learn more about  dissociated

brainly.com/question/32501023

#SPJ11

The safest solution to protect yourself from chemical hazards in the work environment is to wear PPE kit.

What function does PPE serve?

PPE, or personal protective equipment, is clothing and gear used to reduce exposure to dangers that might result in life-threatening diseases and injuries at work. These diseases and injuries might be brought on by exposure to workplace risks such as chemical, radioactive, physical, electrical, or mechanical ones.

According to the given question:

Personal protective equipment, or "PPE," is clothing worn to reduce exposure to a range of risks. PPE examples include gloves, eye and foot protection, hard helmets, respirators, complete body suits, and protected hearing gear (earplugs, muffs).

To know more about PPE kits visit

brainly.com/question/17611643

#SPJ4

Answer:

100 trillion atoms are in one cell and  so just find how many cells are in a chair and then take 100xthe number and you get your answer

Explanation:

There are uncountable atoms which are present in a chair depending on it's size.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

Learn more about atom,here:

https://brainly.com/question/30898688

#SPJ2

Answer:

One type of cleaner that is highly effective for removing mineral deposits is an acid-based cleaner.

Explanation:

Mineral deposits, such as limescale, rust, or hard water stains, can be stubborn and difficult to remove. Acid-based cleaners are specifically formulated to dissolve and break down these mineral deposits. The acidic properties of these cleaners work by reacting with the minerals, causing them to loosen and dissolve, making it easier to remove them from various surfaces.

Two commonly used acid-based cleaners for removing mineral deposits are vinegar and lemon juice. Vinegar, which contains acetic acid, can be applied directly or used as a soak to effectively remove mineral deposits on surfaces.

A mineral deposit refers to the accumulation or concentration of minerals in a specific location or geological formation. It occurs through natural processes over extended periods of time. Mineral deposits can be found in various forms, such as solid masses, veins, or scattered grains within rocks or sediments.

To learn more about acid-based cleaner,

https://brainly.com/question/14307840

https://brainly.com/question/25903586

One type of cleaner that is highly effective for removing mineral deposits is an acid-based cleaner. Mineral deposits, such as those caused by hard water or limescale, are often composed of calcium, magnesium, and other minerals that can be dissolved by acidic substances.

Acid-based cleaners work by reacting with the mineral deposits, breaking them down and dissolving them. Common examples of acid-based cleaners include vinegar (acetic acid), lemon juice (citric acid), and commercial descaling products that contain stronger acids like hydrochloric acid or phosphoric acid. The acidic nature of these cleaners allows them to effectively remove mineral deposits from various surfaces, such as sinks, faucets, showerheads, and toilet bowls. The acids react with the minerals, causing them to dissolve and be easily wiped or rinsed away. However, it's important to exercise caution when using acid-based cleaners as they can be corrosive to certain materials, such as marble or some types of metal. It's recommended to follow the manufacturer's instructions and test the cleaner on a small, inconspicuous area before applying it to the entire surface.

To learn more about mineral click here; brainly.com/question/13501509

#SPJ11

To determine the solubility product (Ksp) for the generic salt AB2, we need to understand the relationship between the concentrations of the ions A2+ and B- in the equilibrium equation. The equilibrium expression for the dissolution of AB2 can be written as:

Ksp = [A2+][B-]^2

Where [A2+] represents the concentration of A2+ ions and [B-] represents the concentration of B- ions.

In the given equilibrium, we are given that the concentration of A2+ is 5.4×10^(-4) M. However, we don't have any information about the concentration of B- ions. The stoichiometry of the reaction shows that for every A2+ ion, two B- ions are formed, indicating a 1:2 ratio.

Since we don't have the concentration of B-, we cannot directly calculate the solubility product (Ksp) at this point. The solubility product constant is a measure of the maximum amount of an ionic compound that can dissolve in a solvent under specific conditions, usually at equilibrium.

To determine the solubility product (Ksp), we would need additional information, such as the concentration of B- ions or any relevant equilibrium constant values. Without this information, it is not possible to calculate the solubility product for the generic salt AB2.

Learn more about B Concentration :

https://brainly.com/question/31316034

#SPJ11

Answer:

.135 L

Explanation:

P1V1 = P2V2

1*2=.27*V2

(1*2)/.27 = V2

V2 = .27 ÷ 2 = .135

Answer:

2802.5 KJ/mol

Explanation:

Calculate standard enthalpy of the Reaction :

6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g)

using standard formation enthalpies . hence the standard enthalpy of the reaction = 2802.5 KJ/mol

attached below is the detailed solution

Answer:

I am pretty sure its called a sand dune

Explanation:

When starting with a chiral alkyl halide, the products of a substitution reaction can be either achiral or chiral, depending on the reaction mechanism and the stereochemistry of the nucleophile.

In an SN1 reaction, the nucleophile attacks the carbocation intermediate from either side with equal probability, resulting in a racemic mixture of both R and S enantiomers.

In contrast, in an SN2 reaction, the nucleophile approaches the alkyl halide from the opposite side of the leaving group, resulting in an inversion of stereochemistry at the chiral center. This means that the product will be the opposite enantiomer of the starting material, resulting in a chiral product.

However, if the nucleophile used in the SN2 reaction is achiral, such as a hydroxide ion, the product will be racemic, as the reaction can occur with equal probability on both sides of the molecule.

In summary, the products of a substitution reaction starting with a chiral alkyl halide can be either achiral or chiral, depending on the reaction mechanism and the stereochemistry of the nucleophile.

To know more about nucleophile

brainly.com/question/28325919

#SPJ11

We can now calculate the energy in Joules contained in a single photon of green signal with a wavelength of 535 nm. E=hv=h⋅cλ.

The wavelength, which will also apply to troughs, is the separation between two wave crests. The frequency is expressed as cycles a second (Hz), which is the quantity of vibrations that cross a specific area inside a second (Hertz).

A waveforms signals that is carried in space via down a wire has a wavelength, which is the separation between two identical places (adjacent crests) inside the consecutive cycles. This length is typically defined in wireless communication systems in metres (m), centimetres (cm), and millimetres (mm) (mm).

To know more about Wavelenght visit:

https://brainly.com/question/13533093

#SPJ13

1. decantation

2. 2O₂

3. intensive

4. Pure Substance

5. 15O₂

6. homogenous

7. Solubility

8. mixture

9. extensive

10. distillation

Answer:

The density of igneous rocks is related to its color. Darker colored rocks have a higher density because of its greater mineral and iron content. Its characteristics is opposite compared to lighter colored rocks that have less density because of lower mineral and iron content

Double number of moles of water have been formed if the amount of H2 is doubled.

If the amount of H2 is doubled, double moles of H2O would have formed because one mole of H2 is needed for the formation of one mole of water. The amount of water is related to the presence of hydrogen. If five moles of hydrogen if available then five moles of water can be produced.

Similarly, if ten moles of hydrogen if available then ten moles of water can be produced so we can conclude that double number of moles of water have been formed if the amount of H2 is doubled.

Learn more about mole here: https://brainly.com/question/1427235

Answer:

malleable

Explanation:

The image represent in malleable property of metal.

The image possibly represents the photoelectric effect of a metal, which is when it emits electrons after being exposed to electromagnetic radiation. Metals are also characterized by physical properties such as conductivity, malleability, metallic luster, and metallic bonding.

Based on your question, the image possibly represents the photoelectric effect, a key property of metals. This phenomenon occurs when a metal surface exposed to electromagnetic waves of a certain frequency absorbs radiation and emits electrons. These emitted electrons are called photoelectrons. Metals can also exhibit free electron model behavior, where electrons freely roam within the metal structure.

Metals possess unique physical properties like conductivity, malleability, and metallic luster. Malleability refers to the metal's ability to deform without breaking, while conductivity refers to the metal's ability to transfer heat or electricity. A metallic luster gives metals their characteristic shiny appearance.

Finally, metals are also known for their metallic bonding—a unique force that holds together the atoms within a metallic solid. Metallic bonding gives rise to many useful and varied bulk properties of metals.

https://brainly.com/question/33514448

#SPJ2

Answer:

Pressure should be used to seperate the mixture.

Explanation:

The technique that can be used to separate a homogeneous mixture into its component parts is by applying pressure. The correct option is A.

A homogeneous mixture is a mixture of compounds that has been thoroughly blended to the point where individual substances cannot be seen.

Each sample of the mixture will contain the same proportions of each substance. Homogeneous mixtures can consist of solids, liquids, gases, or plasmas.

A heterogeneous mixture is made up of distinct substances or phases.

Applying pressure is one method for separating a homogeneous mixture into its constituent parts.

The most common method for separating homogeneous fluid mixtures is distillation. Separation takes advantage of differences in boiling points or volatility between the components of a mixture.

Thus, the correct option is A.

For more details regarding homogenous mixture, visit:

https://brainly.com/question/24898889

#SPJ2

Answer:

c

Explanation:

kw=h+bls

Answer:

Boron has different isotopes with different atomic masses. The relative atomic mass of boron, which is 9, is the average of the atomic masses of the isotopes

Explanation:

The relative atomic mass is indicated in terms of its heaviness compared to the parts of mass of carbon-12. The relative mass of boron is 9 means its mass relative to the mass of carbon -12 is 9 amu.

The relative atomic mass of an element is the mass relative to the mass of carbon-12 or it can be defined as the number which indicates how many times the mass of one atom of the element is heavier in comparison to (1/12)th part of the mass of one atom of carbon-12.

Usually the mass number of an atom is the sum of number of protons and number of neutrons. But the actual mass or average atomic  mass is not calculated in this way.

The actual mass is determined using mass spectroscopy. The relative atomic mass of every element is computed based on the mass of C-12 obtained from spectroscopic technique.

Thus the relative atomic mass of boron is calculated in a similar way and it is 9 amu.

To find more about relative atomic mass, refer the link below:

https://brainly.com/question/25698972

#SPJ2

Flocabulary circulation refers to the way in which Flocabulary's educational content is disseminated and used in various educational settings.

Flocabulary is an online platform that offers engaging and educational videos, songs, and activities across a wide range of subjects, including math, language arts, social studies, and science.

Teachers and students can access Flocabulary's content through a subscription-based model, allowing them to use the platform as a teaching tool in their classrooms.

Flocabulary's unique approach to learning has garnered praise from educators, who appreciate the platform's ability to make complex topics more accessible and engaging for students. By using Flocabulary's content, teachers can help students build their understanding and retain knowledge in a fun and effective way.

Learn more about flocabulary is at

https://brainly.com/question/20779558

#SPJ11