MQ: A disease affecting which of the following might results in a problem with the production of blood cells ?Plsss help!!

Answer:

Sustainable development is a way for people to use resources without the resources running out. ... The term used by the Brundtland Commission defined it as development with sustainability that "meets the needs of the present and also compromising the ability of future generations to meet their own needs."

Answer:

CCl4

Explanation:

Because it is non polar and non polar substances are insoluble in water.

The molecule which is least soluble in water is C(Cl)₄

Water is polar molecule and only polar molecules are soluble in water.

Hence tetra chloro carbon is insoluble in water.

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Answer:

The p- nitrophenol is more acidic than phenol because the deactivating nature of nitro group and after loosing the protons it makes more resonance stabilization as nitro group is having strong deactivating nature so it attracts electrons towards it.

Answer:

55.025g of N2O

Explanation:

2 NH3 + 2 O2 → N2O + 3 H2O

moles of O2 = 80.0/32 = 2.5 moles O2

moles of N2O = 2.5 moles O2 * 1 mole N2O

= 1.25 moles N2O

moles = mass/Molar mass

mass = moles * Molar mass = 1.25 x 44.02 = 55.025 g

Answer:

stratosphere

Explanation:

Answer:

d

Explanation:

Answer: Ionization is complete when sodium hydroxide compound is dissolved in water as it is strong electrolyte.

Explanation:

Strong bases are good electrolytes as they completely dissociate to give ions which help in the conduction of electrical current.

Weak bases are those substances which dissociate partially to give hydroxide ions [tex](OH^-)[/tex] when dissolved in water.

Example: [tex]NH_4OH\rightleftharpoons NH_4^++OH^-[/tex]

Strong bases are those substances which dissociate completely to give hydroxide ions [tex](OH^-)[/tex] ions when dissolved in water.

Example: [tex]NaOH\rightarrow Na^++OH^-[/tex]

When sodium hydroxide (NaOH) compounds are dissolved in water (H₂O), ionization takes place completely.

Ionization is a process, where compound on dissociation coverts into ions.

Dissociation of NaOH takes place as follow:

NaOH → Na⁺ + OH⁻

Here NaOH, is a strong electrolyte or strong base which completely dissociate into ions and never combine to again form NaOH. Whereas weak electrolytes are those which partially dissociate into ions and gives reaction like as:

AB ↔ A⁺ + B⁻

Complete ionization takes place when sodium hydroxide compounds are dissolved in water.

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Answer: A or C because of the civil right movement changed a lot of stuff as if it never happened blacks would of still be segregated, the U.S wouldn't be the same and they also mentioned that the U.S would not be respected by many other countries which would hurt them from developing even more in the future.

Answer: There are [tex]6.2\times 10^{23}[/tex] atoms of helium are found in a helium balloon if it has 3.9 g of helium  inside.

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles.

To calculate the moles, we use the equation:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar Mass}}=\frac{3.9g}{4.00g/mol}=0.975moles[/tex]

1 mole of helium contains = [tex]6.023\times 10^{23}[/tex]  atoms

Thus 0.975 moles of helium contain = [tex]\frac{6.023\times 10^{23}}{1}\times 0.975=6.2\times 10^{23}[/tex]  atoms

Answer:

Explanation:

To fill in the gaps with the appropriate words, we need to rewrite the whole text in the question while adding the right answers to it.

[tex]According \ to \ Markovnikov's \ rule \ of \ the \ electrophilic \ addition \ to \ an \ alkene, \\ \\ the \ electrophile, \ usually, \ a \ proton, \ is \ more \ likely \ to \ add \ to \ the \ \mathbf{less \ substituted \ carbon} \\ \\ \ in \ a \ double \ bond.[/tex]

[tex]This \ arrangement \ place \ the \ intermediate \ carbocation \ on \ the \ \mathbf{more \ substituted \ carbon.}[/tex][tex]Which \ stabilizer \ it \ with \ the\ presence \ of \ \mathbf{more \ substituents} \ the \ major \ product \ of[/tex]

[tex]the \ reaction \ following \ markovnikov \ rules \ the \ \mathbf{nucleophile} \ will \ then \ end \ up[/tex]

[tex]with \ the \ m ore \ substituted \ carbon \ in \ the \ double \ bond.[/tex]

Answer:

A carbon–carbon bond is a covalent bond between two carbon atoms. ... Carbon atoms can also form double bonds in compounds called alkenes or triple bonds in compounds called alkynes. A double bond is formed with an sp2-hybridized orbital and a p-orbital that is not involved in the hybridization.

Explanation:

Answer:

Bohr's model of the hydrogen atom is based on three postulates:

1) An electron moves around the nucleus in a circular orbit,

2) An electron's angular momentum in the orbit is quantised,

3) The change in an electron's energy as it makes a quantum jump from one orbit to another is always accompanied by the emission or absorption of a photon. Bohr's model is semi-classical because it combines the classical concept of electron orbit (postulate 1) with the new concept of quantisation ( postulates 2 and ).

There is lesser dissociation of hydrogen cyanide as compared to HCl, as  equilibrium constant for the dissociation of hydrogen cyanide has been smaller than HCl. Hence, option C is correct.

Hydrogen cyanide has been a weak acid that has been dissociated into the constituent ions. The dissociation of the compound in water has been corresponds to the equilibrium constant.

The equilibrium constant has been defined as the ratio of the concentration of solute and solvent ions at equilibrium.

The sample with lesser equilibrium constant tends to dissociate at lesser concentration as well.

The equilibrium constant for the dissociation of hydrogen cyanide has been smaller than HCl. Thus, there will be lesser dissociation of hydrogen cyanide as compared to HCl. Hence, option C is correct.

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Synthesis. The synthesis of aspirin is classified as an esterification reaction. Salicylic acid is treated with acetic anhydride, an acid derivative, causing a chemical reaction that turns salicylic acid's hydroxyl group into an ester group (R-OH → R-OCOCH3).

hope it's help

Answer:

It's the 4d orbital

Explanation:

n is the principal quantum number, n=4, means the 4th orbital, l=2, means 'f'(l=0,1,2,3 which means spdf respectively)

Answer:

hunting or culling by humans

Explanation:

The hunting will decrease the starfish

Answer:

a. True

Explanation:

The formula for determining the gold bromide formula, aqueous solution is added. When the solution is introduced with aluminum metal, the gold bromide reacts and displaces the gold metal. This is an electrolysis technique which is used for metals.

Answer:

These forces make objects change their motion or movement , the act of going from one place to another.

Explanation:

Answer:

the answer is B

Explanation:

Answer:

answer is number 2.

Explanation:

hope this helps

Answer:

The answer is A.

Explanation:

Answer:

Explanation:

I believe it is a

Answer:

d. hydrospher, asthenosphere, atmosphere

Answer:

its actually b atmosphere, geosphere, cryosphere atmosphere

Explanation: atmosphere is most likely the heat in the air or the water evaporating , cryosphere is the ice that forms the glaciers. and thats how i know im not sure about geosphere but i know its none of the others ones hope this helps :D

Answer:

1=true

2=false

3=false

4=true

5=true

Answer:

it's A. The water in the pond reflects light from the Sun, making a mirror image

Explanation:

i just took the test

Answer:

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. ... A substance that dissociates into ions in solution acquires the capacity to conduct electricity. Sodium, potassium, chloride, calcium, magnesium, and phosphate are examples of electrolytes.

Explanation:

Please give thanks to all my answers and please mark as brilliant and please follow me

Answer:

Some materials let electricity pass through them easily. These materials are known as electrical conductors. Many metals, such as copper, iron and steel, are good electrical conductors.

I hope it's helpful!

Answer:

A. Decrease

B. Increase

Explanation:

A. A lysine side chain is brought into proximity:

lysine is basic in its nature, it would have to stabilize the electrostatic interaction and also weak interactions existing among the acidic amino acids and hydrogen bond. This would then reduce or decrease the pH and thus pKa of the protein.

B. The effect of this on pKA is an increase on the pKA. The carboxyl group is acidic. When it is removed, it would then cause the pKA to be increased. There would be accumulation of more negative change by basic amino acids increasing the pKA.

Answer:

An apple, potato, and onion all taste the same if you eat them with your nose plugged

Explanation:

Answer:

10 the power of 23 hydrogen atom