BRAINLIEST FOR THE FIRST CORRECT ANSWER!! im revising for a test and my teacher gave me some questions to do but i dont understand them. could you pls help me out

Answer:

This answer is 108g mass of aluminum is produced from 100g of aluminum oxide

The output of glycolysis is pyruvate, but the citric acid cycle uses acetyl CoA. Briefly glycolysis and the citric acid cycle are linked to the results of glycolysis, namely pyruvic acid is converted to acetyl Co-A for the raw material of the citric acid cycle.

Cellular respiration is a complex organic breakdown process at the cellular level that aims to produce ATP that occurs in the mitochondrial matrix. ATP is the energy used by cells to meet their needs in order to carry out various activities. The first stage of cellular respiration is glycolysis. Glycolysis is an energy-releasing reaction that breaks one molecule of glucose into two molecules of pyruvic acid, a NADH and 2 ATP.

The citric acid cycle is a cycle that occurs after glycolysis. In glycolysis, pyruvic acid is produced which is then converted to acetyl Co-A during oxidative decarboxylation. then acetyl co-A is used as raw material for the citric acid cycle to produce 2 ATP, 6 NADH, 2 FADH2, and 4 CO2.

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Answer:

The label on the X-axis is Heat Supplied or Absorbed

The label on the Y-axis is Temperature

Explanation:

The given graph is the heating curve of a substance as it is absorbs heat (increase in the x-axis) and have an increase in temperature (increase in the y-axis) between its different phases, from A to E

Therefore;

The label on the X-axis should be Heat Supplied or Absorbed

The label on the Y-axis should be Temperature

An appropriate state of phase 'A' is the solid phase of the substance where the temperature of the substance increases as heat is supplied without the substance changing into a liquid

Stage 'B' is the melting stage, when the substance transforms from solid to liquid as heat is applied, without an increase in temperature, which is seen by the horizontal line of stage 'B'

At stage 'C', the substance which is entirely liquid continues to absorb heat (moving to the right), while the temperature rises

At stage 'D', the substance in the liquid state continues to absorb heat (moving to the right), but rather than increase in its temperature, the substance transforms to the gaseous phase, which is phase 'E'

At phase 'E', the substance continue to absorb heat without changing state and therefore its temperature increases

The phases 'B', and 'D', where there is no increase in temperature as heat is added (progression to the right) are the regions where we have the latent heat of fusion and evaporation respectively.

Answer:

no sodium occurs at the end plate potential

Explanation:

When a nerve impulse releases the neurotransmitter acetylcholine from the nerve terminal, it binds to channel-shaped receptor molecules on the end plate, opening the channels and allowing positively charged sodium ions to flow into the muscle cell.

Answer:

him

Explanation:

2AM my name is Sabrina Carmen and Lena what's your name what's your name

In the film Ice word Revenge, vehicle 2 did not fall of the cliff because,  but in Claire's test, vehicle 2 off the cliff because weight of vehicle 1 is greater than weight of vehicle 2.

the weight of an object is to the  force of  acting on their object due to gravity.

Claire's test, the weight of vehicle 1 is either equal to or greater than the weight of vehicle 2, so it was sufficient to push it down the cliff.  In the film Ice word revenge, the weight of vehicle 1 is less than the weight of vehicle 2, it is not sufficient to make it fall off the cliff ( Note: Looking exactly the same in to the movie, as Claire claimed, does not mean they have the same mass). Therefore if the  Claire wants a collision that is  will not make the vehicle 2 fall off the cliff, he should be the  collide it with a vehicle of lesser mass/weight.

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Answer

moles = 5.81 mol

Explanation

Given:

Volume = 144 L

AT SATP

1 mole = 24.4651 L

Solution:

1 mole = 24.4651 L

x mole = 144 L

x = 144/24.4651

x = 5.8 mol

The similarity between the ovule and the stigma is that hey are both parts of a flower and play a significant role in reproduction.

An ovule is an egg-bearing reproductive structure present in seed plants, angiosperms, and gymnosperms. It forms the basis of the female reproductive structure. Ovules develop into seeds once they have been fertilized. It is an essential part of the female reproductive system of a flowering plant.

The sticky topmost part of the carpel, known as the stigma, is the plant structure responsible for pollen reception. It is the pollen-receptive surface of the flower. The stigma traps the pollen grain, and a process known as pollination begins. It is an essential part of the plant's reproductive system.

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Answer:

Lab Coat, Fire Extinguisher, Safety Googles, Gloves, Hair tie.

Explanation:

Answer:

Volume = \(1cm^3\)

Explanation:

Volume of cube = \(s^{3}\)

Wherein,

s = length of side

Hence,

If the length of each side is 1cm,

Volume = \(1^3\)

= 1\(cm^3\)

Answer:

the answer is strong acid

The correct answer is strong acid

According to the Nerst equation, when Ecell = 0 then : A) Q = K, the nerst equation is then :

log Keq = (n E°) / (0.0592 V)

The Nerst equation is given as follows :

E cell = E°cell  - (0.0592 V / n ) log Q

the electrical potential of the cell is depend on the Q, that reaction quotient of the reaction. at equilibrium ΔG = 0 . the reaction quotient    Q = K and from the equation , ΔG = -nFE , ans E = 0, now the nerst equation is given as :

0 = E° - ( RT / nF ) ln K

0 = E° - ( 0.0592 V / n) log K

log K = (n E°) / (0.0592 V)

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Answer:

★ B. A washing machine.

Explanation:

What's Electrical energy?

Electrical energy is energy derived from electric potential energy or kinetic energy. When used loosely, electrical energy refers to energy that has been converted from electric potential energy.

Answer:

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.

We get these from the plants that grow, and the animals that we eat that eat the plants. Most soils have a large supply of nutrients in them, and they get taken up by plants when plants absorb water. Soils need to be healthy to grow large quantities of plants, and animals need plants to grow strong.

Explanation:

Plz mark brainliest thanks

Answer:

Nutrients get into the soil many different ways: from decomposed animal waste and dead plants, the atmosphere, weathering of rocks and bacteria conversions. Soil is a mixture of organic matter, minerals, gases and more, that together support life's for plants

Explanation:

"The other halogens are not as electronegative and so other hydrogen halides cannot form hydrogen bonds between molecules. Only London Forces are formed. - Therefore more energy is required to break the intermolecular forces in HF than the other hydrogen halides and so it has a higher boiling point."

not a hack link, just stating where i got your answer from! -

https://www.mytutor.co.uk/answers/17558/A-Level/Chemistry/Explain-the-unusually-high-boiling-point-of-HF/

Answer:

The boiling point is directly proportional to the surface area which is proportional to the molecular weight.

Explanation:

Answer:

An ionic bond forms when atoms transfer electrons.

Explanation:

Ionic bonds are formed when atoms transfer electrons. (In contrast, covalent bonds are formed when atoms share electrons.)

There's a distinction between the two: when two atoms react to form an ionic bond, one atom would completely lose one electron, while the other would completely gain that electron. The atom that loses the electron becomes a positively-charged ion called a cation, whereas the atom that gains the electron becomes a negatively-charged ion called an anion.

For example, consider the reaction between a sodium atom and a chlorine atom: .

When the sodium atom and the chlorine atom encounter, the sodium atom would lose one electron to form a positively-charged sodium ion, . The chlorine atom would gain that electron to form a negatively-charged chlorine ion .

These two ions will readily attract each other because of the opposite electrostatic charges on them. This electrostatic attraction (between two ions of opposite charges) is an ionic bond.

Overall, it would appear as if the sodium atom transferred an electron to the chlorine atom to form an ionic bond.

In contrast, when two atoms react to form a covalent bond, they share electrons without giving any away completely. Therefore, it is possible to break certain covalent bonds apart (using a beam of laser, for example) and obtain neutral atoms.

On the other hand, when an ionic bond was broken, the result would be two charged ions- not necessarily two neutral atoms. The electron transfer could not be reversed by simply breaking the bond.

For example, when table salt is melted (at a very high temperature,) the ionic bond between the sodium ions and chloride ions would (mostly) be broken. However, doing so would only generate a mixture of and ions- not sodium and chlorine atoms.

Answer:

10 megawatts = 10 * 10^6

Explanation:

Which is equals to 10 * 1,000,000= 10,000,000

To calculate the absorbance, we can use the formula:

Absorbance (A) = -log10(T)

where T represents the transmittance, which is the fraction of light that passes through the solution.

In this case, it is given that 35% of the light passes through the solution. To convert this to transmittance, we divide the percentage value by 100:

T = 35% / 100% = 0.35

Now, we can calculate the absorbance:

A = -log10(0.35)

Using a calculator, we find that the logarithm of 0.35 is approximately 0.4559. However, we need to take the negative sign into account:

A = -0.4559

Rounding to two decimal places, the absorbance is approximately -0.46.

Therefore, the correct option from the given options is: 0.46

Absorbance is a measure of how much light is absorbed by a solution. It is directly proportional to the concentration of the absorbing species in the solution and can be used to quantify the concentration of analytes in spectrophotometric analysis.

In this case, the 260 nm wavelength light is passed through the solution, and it is given that 35% of the light passes through, meaning 65% of the light is absorbed. The absorbance value indicates the extent of light absorption, and it is the logarithm of the reciprocal of the transmittance.

By calculating the absorbance using the provided formula, we find that the absorbance value is approximately -0.46.

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1- The specific conductance at 25°C for a solution containing 700 mg/L KCl is estimated to be 2.95 x 10⁻⁴ S/m,

ii- CaSO₄ solution with the same total charge concentration has an estimated specific conductance of 2.83 x 10⁻⁴ S/m.

To estimate the specific conductance at 25°C for a solution containing 700 mg/L KCl, assuming full dissociation into ions, we can use the following calculations:

(i) Calculation for KCl solution:

1. Determine the molar mass of KCl:

Molar mass of KCl = atomic mass of K (39.10 g/mol) + atomic mass of Cl (35.45 g/mol) = 74.55 g/mol.

2. Convert the concentration from mg/L to mol/L:

Concentration of KCl = 700 mg/L * (1 g/1000 mg) / (74.55 g/mol) = 0.0094 mol/L.

3. Calculate the specific conductance using the specific conductance constant (κ):

Specific conductance (κ) = concentration of ions * κ,

where is the specific conductance constant for K⁺ and Cl⁻ ions.

Assuming κ(K⁺) = κ(Cl⁻) = 0.0157 S/m (at 25°C),

Specific conductance = (0.0094 mol/L * 2) * 0.0157 S/m = 0.000295 S/m = 2.95 x 10⁻⁴ S/m.

(ii) Calculation for CaSO₄ solution:

1. Calculate the molar mass of CaSO₄:

Molar mass of CaSO₄ = atomic mass of Ca (40.08 g/mol) + atomic mass of S (32.07 g/mol) + 4 * atomic mass of O (16.00 g/mol) = 136.14 g/mol.

2. Determine the concentration of CaSO₄ that gives the same total charge as the KCl solution:

Since KCl dissociates into two ions (K⁺ and Cl⁻), the concentration of CaSO₄ can be calculated as follows:

Concentration of CaSO₄ = (0.0094 mol/L * 2) / 2 = 0.0094 mol/L.

3. Calculate the specific conductance using the specific conductance constant for Ca²⁺ and SO₄²⁻ ions:

Assuming κ(Ca²⁺) = κ(SO₄²⁻) = 0.015 S/m (at 25°C),

Specific conductance = (0.0094 mol/L * 2) * 0.015 S/m = 0.000283 S/m = 2.83 x 10⁻⁴ S/m.

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Central venous pressure (CVP). CVP monitoring offers a more accurate and direct evaluation of their fluid volume status.

The most accurate indicator of fluid volume status in oliguric or anuric clients is daily weight measurement due to its ability to reflect fluid loss or gain.

Other indicators may provide important information but weight measurement is the main answer to the question.
CVP measures the pressure within the major veins returning blood to the heart, and it provides a reliable assessment of fluid volume status.

In oliguric or anuric clients, urine output is minimal or absent, making it difficult to determine their fluid balance using urine output alone.

CVP monitoring offers a more accurate and direct evaluation of their fluid volume status.

Summary: In clients with oliguria or anuria, the central venous pressure (CVP) is the most accurate indicator of their fluid volume status.

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Answer:

The answer actually isn't all that complicated. 120 grams is equivalent to 120 milliliters, and 120 milliliters is equal to 0.21 liters, since you divide 120 by 1000.

Answer:

number 3 i think

Explanation: im sorry if im wrong

Explanation:

(a):their malleability:

>iron making. iron worker heat the meat and hammer it to give them the desired shape.

> in the jewelry making process, like the gold or silver you wear are results due to the malleability of metal

(b):their ductility:

>for the making of high tension cable that connects different cities for transferring of electricity.

>for making wire gauze

(c):their ability to conduct electricity:

>for lighting up your house with light bulbs

>for using cooking stoves

>to make refrigerator work.

Answer:

a)gold and silver-used to make jewellery

b)gold and copper(we draw them in wires easily because they are not brittle)

c)copper and iron(this is because both of them are metal and metaps are best conductors of electricity)

Explanation:

uses of copper- to make utensils

to make wires for circuits

uses of silver-to make jewellery

to make mirrors

malleability is the property of a meta in which the metal can be changed into different shapes.

Ductility-can be drawn into thin wires.

A substance composed of atoms of more than one element that are held together by chemical bonds is called a compound. Therefore the correct option is option A.

A compound is a pure material that is created by chemically combining two or more distinct components in a specific order. Chemical bonds, which can be ionic or covalent, hold the atoms of a substance together.

The characteristics of compounds are distinct from the characteristics of the constituent parts.

For instance, sodium is a soft metal and chlorine is a greenish-yellow gas; nevertheless, when these two elements combine to produce sodium chloride (table salt), they create a white crystalline solid that is far more stable than the constituent parts of each element alone. Therefore the correct option is option A.

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Ans.1

blank 1 =1

blank 2 = 3

blank 3 = 2

Ans.2

blank 1 = 6

blank 2 = 4

blank 3 = 5

Ans.

blank 1 = 11

blank 2 =  7

blank 3 = 8

Answer:

Sodium

Explanation:

Radius grows as you go down and to the right on the ptable.

This chemical is known as lead (II) nitrate. It is an ionic assembly (salt compound) comprised of lead cations in the +2 oxidation state. With regard to the naming convention, each lead (II) cation is paired with two nitrate anions, each having a charge of -1.

Chemical nomenclature is a set of principles for naming chemical substances in a systematic manner. The International Union of Pure and Applied Chemistry designed and developed the most widely used nomenclature in the world (IUPAC).

The basic goal of chemical nomenclature is to guarantee that no ambiguity exists between a spoken or written chemical name and the chemical compound to which the name refers. Each chemical name should only relate to one substance.

It is required to indicate the charge of these cations or compounds containing these cations when identifying them. Ionic compounds are formed when cations and anions interact. The cation of an ionic compound is named first, followed by the anion. When writing their chemical formulae, they use the same format.

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When an organism dies, bacteria degrade it. During the decomposition process, carbon dioxide is emitted into the environment or water. Hence, it has no impact on the decomposers.

When animals breathe or decay (decompose), carbonate rocks are worn, forest fires happen, and volcanoes erupt, carbon dioxide is naturally released into the atmosphere.

Thus, even during process of cellular respiration, carbon dioxide is expelled into the atmosphere.  Hence, it has no impact on the decomposers.

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