Which process creates new cells from existing cells?
A. Cell division
B.Cell limitation
C.Cell addition
D.No answer text provided.

The H₃O from ka of the weak acid is as follows :

[H₃O⁺] = √ Ka × [Ha]

The Ka for the weak acid is as follows :

Ka = [H₃O⁺]² / [HA]

[H₃O⁺] = √ Ka × [Ha]

The Weak acids are the acids that does not completely dissociate or it will be partially dissociates in to the solution. The weak acids can also be defined as the acid that will not the strong acid. The strength of the weak acid will be depends on that the how much it will dissociates as the more it will dissociates, the stronger will be the acid.

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The skill of Dimensional Analysis in the science deals with the conversion of units and numbers.

The physical quantities are only seven in basic. All the other quantities that we see are just derived quantities in one or the other.

While checking the correctness of a formula or while analyzing the reliability of an equation, we use dimensional analysis and convert the units into the dimension form.

Every fundamental quantity is given a Special notation like M for kg and L for meter.

Converting a bigger quantity into a smaller one is also a part of the dimensional analysis. As we know, we can measure the distance between our houses in meter but thing are different when it comes to astronomical distances.

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Answer:

New Answer is : B - Glaciers scraped across the surface and altered landscapes and the course of rivers.

Explanation:

Edge 2020

The impact of glaciers on the surface is that glaciers scraped across the surface and altered landscapes and the course of rivers.

A glacier refers to a heap of ice that has stayed there for a large number of years. The earth is filled with many glaciers and about 90% of fresh water are trapped in glaciers.

The impact of glaciers on the surface is that glaciers scraped across the surface and altered landscapes and the course of rivers.

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Answer:

option C is correct answer of this question

decrease the distance between the object

hope it helps

In the chemical equation of aluminium nitrate and sulfuric acid limiting reactant is sulfuric acid as it is present in small quantity.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

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presence of heat can change solid tu liquid

and liquid to gas

The effects of exposure were more pronounced in fish that had been raised in a less stressful environment, suggesting that environmental conditions can influence the impact of exposure to antidepressants.

1. The class of drugs being investigated in this study is antidepressants. They enter our waterways through excretion by individuals taking the medication, and disposal of unused medication into toilets or sinks that are connected to wastewater treatment plants.

2. C-start is an evasive maneuver that young fish use when they perceive a predator. This is important for larval fish survival because it helps them to avoid being eaten by predators.

3. In this investigation, researchers are testing two hypotheses. The first is that exposure to low levels of antidepressants can affect larval fathead minnows' behavior, and the second is that the effects of exposure will be more pronounced in fish that have been raised in a less stressful environment.

4. The researchers found that exposure to antidepressants at levels found in waterways can have a significant impact on the behavior of larval fathead minnows. Specifically, they found that the fish exposed to antidepressants were less likely to respond to the presence of predators, which could increase their risk of being eaten.

They also found that the effects of exposure were more pronounced in fish that had been raised in a less stressful environment, suggesting that environmental conditions can influence the impact of exposure to antidepressants.

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Rabbits eat vegetative cover, which has caused a decreased amount of food available for grazing livestock, Their tax dollars have been used to try to control the rabbit population are all ways by which Australians are affected by rabbits in Australia.

Rabbits were introduced to Australia by European settlers in the mid-19th century for hunting and as pets. However, their populations soon spiraled out of control, and they have since become a major environmental and agricultural pest in Australia.

The overpopulation of rabbits has caused extensive damage to Australia's native vegetation, leading to soil erosion, loss of habitats for native species, and altered ecosystems. This has had a significant impact on the environment, with many native species struggling to survive.

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Answer:

yes

Explanation:

Answer:

Alpha is the most harmful, Gamma is the least harmful.

Explanation:

From skimming over your answer I have noticed this mistake. You are correct in saying alpha is the least penetrating but incorrect in saying alpha is the least ionising. Same for Gamma.

Iodine will spontaneously sublime in open air at 25 °C to achieve a state of equilibrium between the solid and gaseous phases.

To calculate ΔG°rxn at 25.0 °C for the sublimation of iodine, we need to use the equation:

ΔG°rxn = ΔH°rxn - TΔS°rxn

Where:

ΔH°rxn is the standard enthalpy change of the reaction

T is the temperature in Kelvin

ΔS°rxn is the standard entropy change of the reaction

The values for ΔH°rxn and ΔS°rxn for the sublimation of iodine can be found in reference tables or experimental data.

To find ΔGrxn at 25.0 °C under nonstandard conditions, we use the equation:

ΔGrxn = ΔG°rxn + RT ln(Q)

Where:

R is the gas constant (8.314 J/(mol·K))

Q is the reaction quotient, which is calculated based on the given pressures of iodine (PI2)

To explain why iodine spontaneously sublimes in open air at 25 °C, we need to consider the thermodynamic factors. At 25 °C, the sublimation of iodine is favored due to the positive entropy change (ΔS°rxn > 0). The increase in disorder upon sublimation contributes to the spontaneous nature of the process.

Additionally, the vapor pressure of iodine (PI2) at 25 °C is higher than the pressure of iodine in the surrounding air. This pressure difference drives the sublimation of iodine as it tends to reach equilibrium by moving from a higher pressure region (solid) to a lower pressure region (gas).

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Answer: \(H_2O_2\rightarrow H_2+O_2\)

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation for showing hydrogen peroxide decomposing into hydrogen and oxygen is:

\(H_2O_2\rightarrow H_2+O_2\)

The rate of effusion of a gas is inversely proportional to its molar mass.

Therefore, the gas with the molar mass closest to that of nitrogen (14 g/mol) will have the most similar rate of effusion to nitrogen at 350 K.

The gas with the molar mass closest to that of nitrogen is hydrogen (1 g/mol). Therefore, the gas with the most similar rate of effusion to nitrogen at 350 K is hydrogen (H2). The other gases (CH4, CO, CO2, and Ne)

all have molar masses significantly higher than nitrogen, and therefore they will have slower rates of effusion than nitrogen at 350 K.

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Answer:

When light is shone on to the surface of a metal, its electrons absorb small amounts of energy and become excited into one of its many empty orbitals. The electrons immediately fall back down to lower energy levels and emit light. This process is responsible for the high luster of metals.

Explanation:

Your well-wisher :-)

Answer:

39.2 g

Explanation:

because moles = mass / mr (mr of h is 1)

so 39.2/1= 39.2 moles

hope this helps you to understand :)

Answer:

i dont understand sorry

Being a desiccant, \(CaCl_2\) can efficiently remove any last water molecules from the organic extract because of its high affinity for water.

Anhydrous \(CaCl_2\) was added to the organic extract in order to dry it. \(CaCl_2\) is a desiccant, meaning it has a strong affinity for water and can effectively remove any remaining water molecules from the organic extract. This is important because water can interfere with subsequent analytical or synthetic steps, and drying the extract can improve the yield and purity of the desired product. Adding \(CaCl_2\) also helps to give better separation between the organic and aqueous layers, as any remaining water in the organic layer can cause it to mix with the aqueous layer. However, it does not undergo chemical reaction with the compounds extracted and is not used to identify the correct layer.

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The phenotype that is most indicative of a natural killer cell is b. CD2+ CD3- CD11b+ CD16+.

Natural killer cell are characterized by the lack of CD3, expression of CD16 and CD56, and the presence of CD2 and CD11b. CD33 is a marker for myeloid cells, and CD57 is a marker for mature NK cells and T cells. CD19, CD20, and CD22 are markers for B cells.

An immune system component called a lymphocyte, or natural killer (NK) cell, is a type of white blood cell. They are referred to as "natural" killers because they can recognise and kill target cells without the need for antigen activation. Instead, they can quickly identify and destroy diseased, cancerous, stressed, or otherwise damaged cells. To destroy their prey, NK cells employ a number of techniques, including as the production of poisonous granules and the triggering of apoptosis. They can create cytokines that stimulate other immune cells, and they also play a part in controlling the immunological response.

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Answer:I’m not sure

Explanation:free trial

The cell where there is an absence of homologous chromosomes is Gamete.

Chromosomes in a couple – commonly one inherited from the mother and one from the daddy. For example, the two copies of Chromosome 1 in a cell could be called homologous chromosomes.

This organism is diploid, however only has a 1 pair of chromosomes. these are homologous chromosomes, because they create the same genes. however, they can deliver distinct alleles of every gene, proven by their inner pattern.

Homologous chromosomes are matched pairs containing the identical genes in equal places along their period. Diploid organisms inherit one reproduction of every homologous chromosome from every discern; all together, they may be considered a complete set of chromosomes.

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Using drop-down menu , IUPAC name is as follows :

cis-3-decene: (Z)-3-decene  , cis-3-nonenetriene: (Z,Z,Z)-3-nonenetriene

trans-3-decene: (E)-3-decene , trans-3-nonene: (E)-3-nonene

cis-3-decene is an alkene with a double bond between carbon atoms 3 and 4, and both alkyl groups (attached to the double bond) on the same side of the double bond. Therefore, its IUPAC name is (Z)-3-decene.

cis-3-nonenetriene is a triene with three double bonds. The double bonds are between carbon atoms 3 and 4, 6 and 7, and 9 and 10. Since all the alkyl groups attached to the double bonds are on the same side of the double bonds, the compound is named as (Z,Z,Z)-3-nonenetriene. trans-3-decene is an alkene with a double bond between carbon atoms 3 and 4, and both alkyl groups (attached to the double bond) on opposite sides of the double bond. Therefore, its IUPAC name is (E)-3-decene. trans-3-nonene is an alkene with a double bond between carbon atoms 3 and 4, and both alkyl groups (attached to the double bond) on opposite sides of the double bond. Therefore, its IUPAC name is (E)-3-nonene.

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Feldman and Frydman consider molecular chaperones critical for protein folding because they play crucial roles in ensuring proper folding and preventing protein misfolding and aggregation.

One specific example is the chaperone Hsp70. Hsp70 binds to hydrophobic regions of unfolded or misfolded proteins, preventing their aggregation and assisting in their correct folding. Hsp70 accomplishes this by utilizing ATP hydrolysis to undergo conformational changes that allow it to bind to client proteins and facilitate their folding. Without Hsp70, misfolded proteins could aggregate and form toxic species associated with various diseases, such as neurodegenerative disorders.

Another example is the chaperonin GroEL/GroES system. GroEL is a large, multi-subunit complex that provides a confined environment for the folding of newly synthesized or stress-denatured proteins. GroES acts as a lid, enclosing the substrate protein within the GroEL cavity. The GroEL/GroES system facilitates protein folding by preventing misfolding and promoting proper folding through cycles of substrate binding and release. This chaperonin system is essential for the folding of many proteins, including enzymes involved in critical cellular processes.

Overall, molecular chaperones like Hsp70 and the GroEL/GroES system are crucial for protein folding because they help prevent protein misfolding, promote correct folding, and protect against protein aggregation, ensuring proper protein function and maintaining cellular homeostasis.

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Answer:

The answer was be 1-chloro-1-butyne

Explanation:

In other words the answer is option letter A

You welcome have a nice day.

The name of the given alkyne, CH₃CH₂C = C – CI is 1 chloro 1 butyne.

The correct option is A.

Alkynes are unsaturated hydrocarbons, that have carbon-carbon triple bonds.

Chlorobutyne is colorless and is liquid at room temperature and pressure.

It is polar, but still slightly soluble in water.

Thus, the correct option is A, 1 chloro 1 butyne.

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Answer:

2.05moles

Explanation:

The balanced chemical equation in this question is as follows;

Sn + 2H2SO4 → SnSO4 + SO2 + 2H2O

Based on the above equation, 2 moles of H2SO4 reacted to produce 1 mole of SnSO4

However, the mass of SnSO4 produced is 219.65 grams. Using mole = mass/molar mass, we can find the number of moles of SnSO4 produced.

Molar mass of SnSO4 where Sn = 118.7, S = 32, O = 16

= 118.7 + 32 + 16(4)

= 150.7 + 64

= 214.7g/mol

mole = 219.65/214.7

mole = 1.023mol

Therefore, if 2 moles of H2SO4 reacted to produce 1 mole of SnSO4

1.023 mol of SnSO4 produced will cause: 1.023 × 2/1

= 2.046moles of H2SO4 to react.

Answer:

The Sun radiates huge amounts of energy. Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land, and create weather systems over the oceans. Most of the energy you will learn about comes from the Sun. The Earth also gives off energy.

Explanation:

Answer:

"The Sun radiates huge amounts of energy. Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land, and create weather systems over the oceans. Most of the energy you will learn about comes from the Sun. The Earth also gives off energy."

By the way I got this off thee internet and copy  and pasted it so don't write it just look and write in your own words please. Please do not copy and paste or write what i wrote because this is someone else's explanation or answer

Hope this helps!! Also please rank thank you.

Explanation:

Answer:

Your answer will be C. 1/32

Answer:

C. 1/32

Explanation:

The enthalpy of reaction for complete combustion, incomplete combustion, and formation of soot for a candle made of paraffin wax (C21H44) were calculated. The heat released when a 254-g candle burns completely was found to be -34679 kJ. The heat released when 8.00% by mass of the candle burns incompletely and another 5.00% undergoes soot formation was found to be -3404 kJ.

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