A(n) reaction is a self-sustaining series of chemical reactions in which the products of one reaction are the reactants in the next reaction.

Answer:

I think C is the answer

Explanation:

because Mitosis results in two identical daughter cells......

Answer:

Two

Explanation:

Nitrate has a charge of negative 1 and the Iron (II) tells us the iron in that formula has a charge of +2, so in order for the iron to have to equal positive two, there has to be two negative. Since on nitrate ion is -1, you need two to make -2.

Magnesium and Calcium Oxide

Trick : Reactants are always on left

Answer:

magnesium and calcium oxide

Answer:

b is the correct answer inhibition of cell wall

Hey there!

Sulfanilamide is the classification of the antibiotics that can target the bacteria that’s causing infections.

But the action of the mode of sulfanilamide is: binding of a specific enzyme which simply translates to inhibition of the cell wall

Thus, your answer is: inhibition of cell wall synthesis (Option B.)

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

1

Explanation:

To prepare 0.250 M solution, the 0.0667 mol of KCl should be diluted up to 266.8mL

From the question,

We are to determine to what volume the KCl should be diluted, in order to prepare 0.250 M solution

From the formula,

Numer of  moles = Concentration × Volume

Then, we can write that

[tex]Volume= \frac{Number\ of\ moles}{Concentration }[/tex]

From the given information,

Number of moles = 0.0667 mole

Concentration = 0.250 M

Then,

[tex]Volume = \frac{0.0667}{0.250}[/tex]

Volume = 0.2668 L

Volume = 266.8 mL

Hence, to prepare 0.250 M solution, the 0.0667 mol of KCl should be diluted up to 266.8mL

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The shared ancestry of life is reflected in DNA and genetic code. DNA comparisons can reveal how closely two species are related. Biogeography. Evolution and geological change are reflected in the global distribution of life and the particular characteristics of island species.

Answer: Arctic Circle, Tropic of Cancer, Equator, Tropic of Capricorn, and the Antarctic Circle.  Hope this helps.

We can confirm that for the experiments regarding Boyle's law, the book was used to increase pressure on the gas and add additional weight.

The book is used for the reasons described in options 1 and 2 of the question. The book supports additional weights on the container, meaning that through these added weights we can increase the pressure being applied to the gas and see how said pressure affects the volume of a gas.

Therefore, we can confirm that the book was used to increase pressure on the gas and add additional weight.

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Answer: A, B

Explanation: edge2023

Answer:

Keratin :)

Explanation:

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Answer:

exert no attractive forces on each other, or on the walls of the container

Explanation:

Explanation:

Lithium Sodium Potassium group 1

Hydrogen proton +1

Iron Fe2+

Answer:

D

Explanation:

An ionic solid is a crystalline solid held together by charge attractions or an ionic bond.

Ionic bond or electrovalent bond is a type of bond which is formed between two elements when there is an exchange of electrons which takes place between  the atoms resulting in the formation of ions.

When the atom looses an electron it develops a positive charge and forms an ion called the cation while the other atom gains the electron and develops a negative charge  and forms an ion called the anion.

As the two atoms are oppositely charged they attract each other which results in the formation of a bond called the ionic bond.They are good conductors of heat and electricity. They have high melting points. These compounds are brittle.

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[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]

If temperature remains constant, then we can apply the formula :

[tex]\qquad \tt \dashrightarrow \:p_1v_1 = p_2v_2[/tex]

[tex]\qquad \tt \dashrightarrow \:4 \times v_1 = 6 \times 18[/tex]

[tex]\qquad \tt \dashrightarrow \: v_1 = 108 \div 4[/tex]

[tex]\qquad \tt \dashrightarrow \:v_1 = 27[/tex]

So, the required volume is 27 litres

Answer:

B. To make life easier.

Explanation:

Although all of the above makes sense, the answer should be B. because it is to help improve how we live.

I hope it helps! Have a great day!

Muffin~

The goal of technology is to make life easier.

A goal is "an idea of the future or desired result that a person or a group of people envision, plan and commit to achieve".

What is technology?

Technology is "the use of scientific knowledge for practical purposes or applications, whether in industry or in our everyday lives".

Hence, the goal of technology is to make our life better.

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Answer:

ion

Explanation:

more protons than electrons

Answer:

three _ _E _ _ _

Explanation:

A carbocation is a carbon atom that bears a positive charge. The most stable carbocation here must be a secondary carbocation .

A carbocation is a carbon atom that bears a positive charge. These species pften pccur as intermediates in a chemical reaction and can be detercted spectroscopically.

The most stable carbocation here must be a secondary carbocation hence, the structural formula for the more stable carbocation intermediate formed in the reaction is shown in the image attached.

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Answer:

Its a chemical conducting electricity

Answer:

+4

Explanation:

In PbO2, oxygen exhibits an oxidation number of -2 (since it's not a peroxide or superoxide):

Let the oxidation number of Pb be x. Then, for the compound to be neutral, the oxidation numbers of all atoms should add up to zero.

⇒ x + (−2) + (−2) = 0

x = +4

So the oxidation no. of Pb is +4.

I hope this helps.

Answer:

mass is the amount of matter in an object

Explanation:

Taking into account the reaction stoichiometry, 1.119 grams of chlorine gas are required to produce 3.32 grams of bismuth chloride is produced.

In first place, the balanced reaction is:

2 Bi + 3 Cl₂ → 2 BiCl₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

Bi: 2 moles ×209 g/mole=418  g

Cl₂: 3 moles ×70.90 g/mole= 212.7 g

BiCl₃: 2 moles ×315.45 g/mole= 630.9 g

The following rule of three can be applied: If by reaction stoichiometry 630.9 grams of BiCl₃ are formed by 212.7 grams of Cl₂, 3.32 grams of BiCl₃ are formed by how much mass of Cl₂?

[tex]mass of Cl_{2} =\frac{3.32 grams of BiCl_{3}x212.7 grams of Cl_{2} }{630.9 grams of BiCl_{3}}[/tex]

mass of Cl₂= 1.119 grams

Finally, 1.119 grams of chlorine gas are required to produce 3.32 grams of bismuth chloride is produced.

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Answer:

Gas can be compress easily than liquid or solid because, molecules are more spread in gas than solin or liquid.

Brainliest if this helps you. please

Answer:

Are sorbents good for the environment?

Natural Inorganic Sorbents

Second, sorbents that sink should not be used as they could be harmful to the environment. Sinking is a problem with many sorbents, such as untreated peat moss, most inorganic sorbents, and many wood products.

Its major result is to clean out some surface contaminants, which makes it simpler for oil to absorb. On the other hand, pyrolysis, a high-temperature thermal treatment, causes the sorbent to carbonise. In turn, this greatly improves the oil sorption capacity and oil to water selectivity.

When recovering adsorbent materials that cause secondary contamination, lighter, less viscous oil is lost through the pores more readily than heavier, more viscous oils. Application is simple because sorbents can be applied automatically or manually to spills using blowers or fans.

The best sorbents for recovering oil are typically synthetic ones. In some circumstances, a weight ratio of 40:1 for oil to sorbent can be reached, as opposed to 10:1 for organic compounds and only 2:1 for inorganic materials.

A substance used to absorb or adsorb liquids or gases is known as a sorbent. Examples comprise: a substance that works via adsorption and is comparable to molecular sieve material (attracting molecules to its surface). It has strong thermal conductivity and a big interior surface area.

Thus, On the other hand, pyrolysis, a high-temperature thermal treatment, causes the sorbent to carbonise.

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Answer:

A and B is the answer

Answer:

option b

Explanation:

Answer:

technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number 93; and plutonium, number 94.

Explanation:

Answer: Silver has the highest temp. change and water has the lowest temp. change.

Explanation:

According to the specific heat capacity, water  has lowest specific heat and greatest is that of silver owing to their temperature differences.

Specific heat capacity is defined as the amount of energy required to raise the temperature of one gram of substance by one degree Celsius. It has units of calories or joules per gram per degree Celsius.

It varies with temperature and is different for each state of matter. Water in the liquid form has the highest specific heat capacity among all common substances .Specific heat capacity of a substance is infinite as it undergoes phase transition ,it is highest for gases and can rise if the gas is allowed to expand.It is different for different substances.

It is given by the formula ,

Q=mcΔT

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Answer:

For gene therapy, stem cells can be trained in a lab to become cells that can help fight disease. Liposomes. These fatty particles have the ability to carry the new, therapeutic genes to the target cells and pass the genes into your cells' DNA.

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