In order to break down 3 glucose molecules and convert this into energy, how many oxygen molecules o2 do you need to breathe in?

The product formed from the reaction of acetone (\(CH_{3}COCH_{3}\)) with \(HOCH_{2}CH_{2}OH\) (ethylene glycol) and an acid catalyst (HA) is an acetal. The structural formula for the product is \(CH_{3}CO(CH_{2}CH_{2}OH)_{2}\).

This reaction is an acetal formation, which involves the reaction of a carbonyl compound (in this case, acetone) with an alcohol (ethylene glycol) under acidic conditions (HA). The mechanism proceeds as follows:
1. The carbonyl oxygen of acetone is protonated by the acid (HA), making it more electrophilic.
2. The alcohol (ethylene glycol) attacks the electrophilic carbonyl carbon, forming a tetrahedral intermediate.
3. A proton transfer occurs, and water is eliminated from the intermediate, forming a protonated oxonium ion.
4. A second molecule of alcohol (ethylene glycol) attacks the oxonium ion, forming a second tetrahedral intermediate.
5. The final product, an acetal, is formed after deprotonation of the intermediate.
The reaction of acetone with ethylene glycol and an acid catalyst results in the formation of an acetal, with the structural formula \(CH_{3}CO(CH_{2}CH_{2}OH)_{2}\).

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Changing the amount of carbon dioxide in the atmosphere has a significant impact on the Earth's temperature and the presence of life.

Carbon dioxide plays a crucial role in the greenhouse effect, which regulates the planet's temperature. Without carbon dioxide and other greenhouse gases, the Earth would be significantly cooler.

The presence of carbon dioxide in the atmosphere is essential for supporting life on Earth. Carbon dioxide, along with other greenhouse gases, acts as a blanket that traps heat and prevents it from escaping into space. This phenomenon is known as the greenhouse effect.

When sunlight reaches the Earth's surface, some of the energy is absorbed, while the rest is reflected back into space. The absorbed energy warms the Earth. However, a portion of this reflected energy is trapped by greenhouse gases, including carbon dioxide, in the atmosphere. These gases reemit the energy in all directions, including back to the Earth's surface, thus further contributing to the warming effect.

By increasing the concentration of carbon dioxide in the atmosphere, the greenhouse effect intensifies. This leads to an increase in the Earth's temperature, often referred to as global warming or climate change. The additional carbon dioxide enhances the heat-trapping ability of the atmosphere, causing a rise in average global temperatures.

Conversely, reducing the amount of carbon dioxide in the atmosphere would have a cooling effect. The absence of carbon dioxide and other greenhouse gases would result in a significant decrease in the Earth's temperature. In fact, without these gases, the Earth would be approximately 59°F (33°C) cooler, making it inhospitable for many forms of life as we know it.

Therefore, altering the amount of carbon dioxide in the atmosphere directly impacts the Earth's temperature and climate, influencing the conditions necessary for the existence of life on our planet.

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Answer:

Explanation:

1. Sodium

2. Ammonium Carbonate

3. Potassium phosphate

4. Calcium sulphate

5. Zinc nitrate

6. Iron(III) oxide-hydroxide

7. Aluminium phosphate

8.Cobalt(III) Carbonate

9. Iron(II) sulfate

10. Magnesium chloride

11. Nitric acid

Answer:

1. Sodium

2. Ammonium Carbonate

3. Potassium phosphate

4. Calcium sulphate

5. Zinc nitrate

6. Iron(III) oxide-hydroxide

7. Aluminium phosphate

8.Cobalt(III) Carbonate

9. Iron(II) sulfate

10. Magnesium chloride

11. Nitric acid

Explanation:

The best evidence that the moon has been extensively heated is the lack of volatiles.

The following are the characteristics of the Moon

:Mass of the moon.Lack of iron core.

Oxygen isotopes like the Earth.

Lack of volatiles.

Volatiles are materials with low boiling points that exist in solid or liquid form at the Earth's surface. Water and carbon dioxide are two examples of volatile materials. The lack of volatiles on the moon is a strong indication that the moon was subjected to high temperatures. It also indicates that volatiles have been expelled from the moon's surface due to the loss of gas molecules that occurred as a result of the heat. As a result, the absence of volatiles is the best evidence that the Moon has been extensively heated.

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Answer:

A) NaOH

got it right on the test.

Explanation:

Answer:

NaOH  

Explanation:

Chemically gated ion channels are mainly found in the dendrites and cell body (soma) segments of a neuron. These ion channels are responsible for mediating synaptic transmission and generating electrical signals in response to neurotransmitters.

Chemically gated ion channels, also known as ligand-gated ion channels, are specialized membrane proteins that allow the passage of ions in response to the binding of specific neurotransmitter molecules. These channels play a crucial role in the transmission of signals between neurons.

The dendrites and cell body (soma) of a neuron are the primary locations where synaptic contacts occur. Dendrites receive incoming signals from other neurons, while the soma integrates these signals and generates an output signal. Therefore, chemically gated ion channels are predominantly found in these segments of a neuron to facilitate the reception and processing of synaptic inputs.

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Chemically gated ion channels are predominantly found in the dendritic and somatic segments of a neuron, facilitating signal reception, integration, and propagation within the nervous system.

Chemically gated ion channels, also known as ligand-gated ion channels, are primarily found in the dendritic and somatic segments of a neuron. These ion channels play a crucial role in the transmission of signals within the nervous system.

The dendritic segment of a neuron receives incoming signals from other neurons, and the presence of chemically gated ion channels in this region allows for the integration and processing of these signals. When a specific neurotransmitter binds to the receptor site on the ion channel, it causes the channel to open or close, thereby regulating the flow of ions across the neuronal membrane.

Similarly, chemically gated ion channels are also present in the somatic segment of the neuron, which includes the cell body or soma. This region is responsible for integrating the incoming signals and generating the electrical impulses that are then propagated along the axon.

Therefore, chemically gated ion channels are predominantly found in the dendritic and somatic segments of a neuron, facilitating signal reception, integration, and propagation within the nervous system.

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The proposed Lewis structure for CH3 is reasonable.It follows the octet rule, with carbon having a total of four valence electrons and each hydrogen having one valence electron.

The Lewis structure proposed for CH3, which represents a methyl group, is reasonable. CH3 consists of a carbon atom bonded to three hydrogen atoms, with no lone pairs on the carbon atom. The carbon atom follows the octet rule, having a total of eight electrons in its valence shell (four from the carbon itself and one from each hydrogen atom). This arrangement satisfies the valence electron count for both carbon and hydrogen, making the proposed Lewis structure reasonable for CH3.

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Answer:

those small sediments begin to precipitate, condense on the ground and finally settle.

Explanation:

Sedimentation is a natural process, which occurs spontaneously in nature and promotes the formation of sedimentary rocks.

The internal temperature rises slowly when the material is isolated from one another, however it rises quickly when the material is bonded because conduction is used for heat transfer.

The mechanical processes known as thermal conduction ask to fall into one of three categories. Conduction. When there is no displacement of matter, the molecules' agitation acts as a carrier for the energy. Convection. When moving material, liquids and gases play a crucial role.

Radiation. when there is no physical contact and energy is delivered by electromagnetic wave radiation. The exterior body may be at a very high temperature while the inner body may be cold because radiation heating is the least effective when the two layers are initially not touching. Thermal conduction, which is how energy is transferred when materials come into contact, causes a large rise in internal temperature.

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Conversion of  formulas equations to word problem are:-

H2 + O2 → H2O. Word equation: Hydrogen gas + Oxygen gas → water

C10H8 + 12O2= 10CO2 + 4H2O Naphthalene +Oxygen= Carbon di oxide +water.

Mg + 2H2O= Mg(OH)+ H2 Magnesium + water= Magnesium Oxide + hydrogen

8Fe + S8= 8FeS Iron + Sulphur =  Iron Sulphide.

Potassium hydroxide and sulfuric acid are the reactants. Water and potassium sulfate are the end results. potassium hydroxide + sulfuric acid = potassium sulfate + water is the word equation.

Two oxygen atoms and one carbon atom make up the chemical structure of the gas known as carbon dioxide (CO2).

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Answer:

Chemical (you should mark me brainliest lol)

Explanation:

Chemical properties can only be measured by changing  substances chemical identity.

so dfhhdjdjjfjfjjdjdjdj

Answer:

While U.S. citizenship provides many rights, it also involves many responsibilities. Civic duties ensure that democratic values written into the Constitution and the Bill of Rights are upheld. Responsibilities include both those that are voluntary as well as those required by law.

Explanation:

If people do not fulfill their civic duties/responsibilities their will be disorderliness in a country. In could result in many bad situations.

Some examples of civic duties are:

If people do not pay the taxes it will be a crash-down in the economy of a country.

Voilating the laws will make the country go curropt.

Answer:

it will decrease because there will not be food for all of them and there is very little space for them now so if there is more they will start to fight

Explanation:

there is very little habitat left for panda bears so if there population increases the food and space with be filed

Hello! jamilialves888

I'm glad you asked my name is ✰Tobie✰

And I will help you understand why the population of ⚝pandas ⚝

is decreasing .

-Your answer :βy Tobie

≛So why are pandas going extinct?

One of the main cause is due to the destruction of their own habitat

Since china is a country that is constantly growing their own homes are slowly   being destroyed Since their habitats are becoming destroyed it forces them to live in small unhabitable area .

≛This leads to another problem.....

If they are forced to live in a small area there will be less food...

Since there is a shortage of food that will leave the panda's to slowly starve to death since pandas only eat bamboo they could never be able to live anywhere else....Another reason panda's are going extinct is because they are being hunted for their fur.

ex·tinct

/ikˈstiNG(k)t/

_____________

It means that the species does not exist anymore and

are no longer in existence

Hope this helps!

                                                                                             -Tobie <3

ʕ •ᴥ•ʔ

When 2.60 moles of pentane react with excess oxygen, 13.0 moles of carbon dioxide will form.

The balanced equation for the combustion of pentane (C₅H₁₂) with oxygen (O₂) to form carbon dioxide (CO₂) and water (H₂O) is:

C₅H₁₂ + 8O₂ → 5CO₂ + 6H₂O

From the balanced equation, we can see that for every 1 mole of pentane, 5 moles of carbon dioxide are produced. Therefore, if 2.60 moles of pentane react, we can calculate the moles of carbon dioxide formed using the mole ratio:

2.60 moles C₅H₁₂ x (5 moles CO₂ / 1 mole C₅H₁₂) = 13.0 moles CO₂

Therefore, when 2.60 moles of pentane react with excess oxygen, 13.0 moles of carbon dioxide will form.

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Answer:

Explanation:

A(n) organism can change its genes over time as the environment changes.

Answer:

c = 0.898 J/g.°C

Explanation:

1) Given data:

Mass of water = 23.0 g

Initial temperature = 25.4°C

Final temperature = 42.8° C

Heat absorbed = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

Specific heat capacity of water is 4.18 J/g°C

ΔT = 42.8°C - 25.4°C

ΔT = 17.4°C

Q = 23.0 g ×  × 4.18 J/g°C × 17.4°C

Q = 1672.84 j

2) Given data:

Mass of metal = 120.7 g

Initial temperature = 90.5°C

Final temperature = 25.7 ° C

Heat released = 7020 J

Specific heat capacity of metal = ?

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 25.7°C - 90.5°C

ΔT = -64.8°C

7020 J = 120.7 g ×  c ×  -64.8°C

7020 J = -7821.36 g.°C ×  c

c = 7020 J / -7821.36 g.°C

c = 0.898 J/g.°C

Negative sign shows heat is released.

Answer:

D) CH2

Explanation:

The empirical formula of propene is CH₂ as it has chemical formula of C₃H₆ which on division of subscripts give empirical formula as CH₂.

Empirical formula of a compound is defined as the simplest whole number ratio of atoms which are present in a compound.It does not make any mention of the arrangement of atoms or the number of atoms. The empirical formula gives information about the ratio of number of atoms which are present in a compound.

Molecular formula is determined from the empirical formula by dividing the molar mass of a compound by the empirical formula mass. The resultant which should be a whole number or very close to the whole number , then the subscripts are multiplied by the whole number to get the molecular formula.

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Answer:

They decrease did the problem

Explanation:

did already if it helps can i have brain pls?

The molar mass of ethanol is 46.069 g/mol because it has 2 mol of carbon atoms (2 12.011 g), 6 mol of hydrogen atoms (6 1.0079 g), and 1 mol of oxygen atoms (1 15.9994 g) in 1 mol.

Ethanol has a molar mass of 46 gmol-1.

Because you already know, molar mass refers to the entire mass of one molecule of a certain substance, and the basic chemical formula of ethanol is C2H5OH. So, if there are numerous atoms in a compound, we may calculate its molar mass by adding up the masses of its constituent atoms and multiplying the result by the number of atoms. We may calculate the molar mass of ethanol as 2x(molar mass of carbon) + 6x(molar mass of hydrogen) + 1x(molar mass of oxygen), or 2x12 + 6x1 + 1x16 = 24 + 16 + 6 = 46, since ethanol contains two carbon atoms, six hydrogen atoms, and one oxygen atom.

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John Dalton contribute to the understanding of the atom that all matter was composed of atoms, indivisible and indestructible building blocks.

While all atoms of an element were identical, different elements had atoms of differing sizes and mass.

An atom is a particle of matter that uniquely defines a chemical element.

An atom consists of a central nucleus that is usually surrounded by one or more electrons.

Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties.

Dalton based his theory on the law of conservation of mass and the law of constant composition.

The theory states that all matter is made of atoms, which are indivisible.

(1) All matter is composed of tiny, indivisible particles, called atoms, that cannot be destroyed or created.

(2) Each element has atoms that are identical to each other in all of their properties.

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Answer:

In this process The more dense gases are collected in a gas jar. Carbon dioxide, Nitrogen dioxide are collected by this way. Air is displaced upward thus, this process is known as upward delivery

Hope it helped :)

Answer:

i guess none of these or 3.4% for 10%

Explanation:

I think the answer should be in the 30 to 40 number scale

Based on the tabulated data, compound B represents B) a metallic compound. Hence, option B) a metallic compound is the correct answer.

Characteristics of metals are:

Because electrons are mobile in metallic solids , they are good conductors of heat and electricity. Metallic solids are also malleable and ductile due to the ability of the metal nuclei to move past each other without disrupting the bonding.

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Answer:an ionic compound

Explanation:

\(\\ \bull\sf\longmapsto Density=\dfrac{Mass}{Volume}\)

\(\\ \bull\sf\longmapsto Mass=Density\times Volume\)

\(\\ \bull\sf\longmapsto Mass=10(3)\)

\(\\ \bull\sf\longmapsto Mass=30g\)

The equilibrium constant for the system at the given temperature is 1.1×10⁻⁵

Equilibrium constant for a given is defined as the concentration of the products raised to their coefficient to the concentration of the reactants raised to their coefficient

For example:

eB <=> cD

The equilibrium constant for the reaction above is given as

Ke = [D]^c / [B]^e

The equilibrium constant for the reaction reaction can be obtained as follow

Ke = [NO]² / [N₂][O₂]

Ke = [1.1×10⁻⁵]² / [6.4×10⁻³][1.7×10⁻³]

Ke = 1.1×10⁻⁵

Thus, the equilibrium constant for the reaction at the given temperature is 1.1×10⁻⁵

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Complete question

See attached photo

Answer

c. 87% Cesium, 13% Fluorine

Explanation

From the periodic table, the atomic masses of F = 18.998403 g/mol and Cs = 132.90545 g/mol.

So the molar mass of CsF = 132.90545 + 18.998403 = 151.903853 g/mol

Therefore, the percent composition of Cesium and Fluorine in CsF is 87% Cesium, 13% Fluorine

Answer

7.53% 97% if you divide it you can get the answer

Explanation: