Fatty acids are ________ Group of answer choices composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio. composed of carbon, hydrogen, glycerol, and a phosphate group. composed of hydrocarbon chains and a carboxyl group. composed of four linked rings.

The hybridization of the carbon atom in carbon dioxide is sp hybridization. In CO₂, the carbon atom is bonded to two oxygen atoms. To understand the hybridization, we can follow these steps:

1. Identify the central atom: In CO₂, the central atom is carbon.
2. Determine the number of electron groups around the central atom: Carbon has 4 valence electrons, and it forms 2 double bonds with 2 oxygen atoms. Each double bond counts as an electron group, so there are 2 electron groups around the carbon atom.
3. Determine the hybridization: Since there are 2 electron groups, the hybridization of carbon is sp. The carbon atom uses 1 s orbital and 1 p orbital to form 2 sp hybrid orbitals, which are used to bond with the oxygen atoms.

In summary, the carbon atom in carbon dioxide has sp hybridization.

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1 mole of carbon contains 6.02*(10^23) atoms of carbon

Answer:

EZ

in my knowledge

Option C Nazca

Answer:

C

Explanation:

Answer C    Full moon occurs approx 2weeks after new moon

Explanation:

It's none of these.

Cr- 1s2 2s2 2p6 3s2 3p6 4s1 3d5

Mg- 1s2 2s2 2p6 3s2

Mn - 1s2 2s2 2p6 3s2 3p6 4s2 3d5

Fe- 1s2 2s2 2p6 3s2 3p6 4s2 3d6

I think there's a mistake in the question.

Answer:

See explanation

Explanation:

The formation of isomers is common to octahedral complexes. Isomers are different compounds with the same molecular formula but different structural formulas. Isomers have different atom to atom connections. Werner's complexes can display; polymerization, ionization, linkage, geometric and optical isomerism among others.

Isomers of coordination compounds are not easily recognizable and not easily separable in the laboratory.

The geometric, linkage and ionization isomers of the complex given in the question are shown below.

ZnS is the chemical formula of the  zinc sulphide. Zinc sulphide contain two ions i.e. ( Zn ⁺² ) and ( S ⁻² ) ion present in zinc sulphide.

A Bronsted - Lowry acid or Lewis acid is a molecule or ion that has the ability to donate a proton or establish a covalent bond with an electron pair. Proton donors, also known as Bronsted - Lowry acids, are the first class of acids.

Any hydrogen containing material that has the ability to donate a proton (hydrogen ion) to another chemical is considered an acid. A base is a molecule or ion that can take up an acid's hydrogen ion. Typically, sour tastes help to identify acidic chemicals.

Thus, ZnS is the chemical formula of the  zinc sulphide. Zinc sulphide contain two ions i.e. ( Zn ⁺² ) and ( S ⁻² ) ion present in zinc sulphide.

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The correlation coefficient is a number between zero and 1 and the answer is false

And that is because the correlation coefficient is a number between -1 and one. A positive correlation coefficient means that two variables are positively correlated or move in the same direction. Plus one means perfect like full correlation, zero means there is no correlation whatsoever.

And a negative correlation means that as one variable moves in a positive direction, the other moves in a negative direction, so that is negative correlation, And the correlation of -1 means perfect negative correlation.

The correlation coefficient is a statistical measure of the strength of the relationship between the relative movements of two variables. The values range between -1.0 and 1.0. A calculated number greater than 1.0 or less than -1.0 means that there was an error in the correlation measurement.

A correlation of -1.0 shows a perfect negative correlation, while a correlation of 1.0 shows a perfect positive correlation. A correlation of 0.0 shows no linear relationship between the movement of the two variables.

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Answer:

1. 6electrons because in an a neutral atom, the number of electrons and protons are equal

2. Atomic number is 10

3. 15electrons, Atomic number 15,Mass number 32

4. 7protons, Atomic number 7

1. 15protons,16neutrons

2.Number of protons is 9, atomic number is 9

3.Number of protons is 27, Atomic number is 27

Explanation:

The mass number (A)=Atomic/proton number (Z)+Neutron number (N)

Answer:

it is the same

Explanation:

the atom with 7 neutrons is the isotope of the atom of 6 neutrons. they share the same chemical behaviour but they differ in atomic masses and physical properties

Answer:

The correct option is D

Explanation:

Multicellular organisms are organisms with more than one cell (usually having different cells exhibiting specialized functions). Examples of this organisms are mammals. These organisms generally look for food, eat this food, process/metabolize this food in order to derive nutrients from them. From the explanation above, it is clear that the correct option is D.

Answer:

D. Eat food – Digest food Use nutrients from food​

Explanation:

Answer:

false

Explanation:

because its made in the mitochondria

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

\(n = \frac{N}{L} \\\)

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

\(n = \frac{2.4 \times {10}^{24} }{6.02 \times {10}^{23} } \\ = 3.986710...\)

We have the final answer as

Hope this helps you

The number of moles of SO₃ contained in this chemical compound with the given number of elementary entities (2.4 × 10²⁴) is equal to: C. 4.0.

In Chemistry, the number of moles of SO₃ contained in this chemical compound with the given number of elementary entities, we would use the following formula:

n = N/NA

where:

Scientific data:

Substituting the given parameters into the formula, we have;

n = 2.4 × 10²⁴/6.02 × 10²³

n = 3.99 ≈ 4.0 moles.

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Answer:

Answer is:C

Explanation:

hope this helps

The particle model diagram represents only one compound composed of elements X and Z  is option C.

An elements are defined as a pure substance containing of only one type of atom which all have same numbers of protons in their nuclei.  

A substance that cannot be converted into another substance is known as an element. Each of the approximately 100 elements has a unique form of atom.

Compounds are defined as a material formed by chemically bonding two or more chemical elements.

It can also be defined as a chemical compound made up of several similar molecules (or molecular entities) that include atoms from different chemicals.

There are basically four types of compounds.

Thus, the particle model diagram represents only one compound composed of elements X and Z  is option C.

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Marathon runners well exhibit the differences between the behavior of molecules in different states of matter.

At the starting point before the start of the race, the runners would gather in a common place before the starting line. They would be close to each other and are tightly packed like solid molecules.

After the race was started, some players would start to move fast and some remain in a group for a certain period. They were loosely packed compared to solid.

As the game reaches the end point, the players would be more spread out based on their stamina. They would be more loosely packed compared to solid and liquid.

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Yes, cations and anions are only found in ionic compounds.

An ionic compound is a type of chemical compound made up of cations (positively-charged ions) and anions (negatively-charged ions) held together by strong electrostatic forces called ionic bonds.Ions are the building blocks of ionic compounds, which are kept together by electrostatic forces.They are formed by the chemical bonding of a metal and a nonmetal. Ionic compounds are typically composed of positively charged cations (usually metals) and negatively charged anions (usually nonmetals). Examples of common ionic compounds include sodium chloride (NaCl), magnesium oxide (MgO), and calcium carbonate (CaCO3). An anion is an ion with a negative charge. Anions are formed when atoms gain electrons.A cation is an ion with a positive charge. Cations are formed when atoms lose electrons.

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Answer:

b. Malic Acid

Explanation:

Malic (organic) Acid is found in apple.

GL

Answer:

CLEAN ENERGY SOURCE

Nuclear is the largest source of clean power in the United States. It generates nearly 800 billion kilowatt hours of electricity each year and produces more than half of the nation’s emissions-free electricity. This avoids more than 470 million metric tons of carbon each year, equivalent to removing 100 million cars off the road.

CREATES JOBS

The nuclear industry supports nearly half a million jobs in the United States and contributes an estimated $60 billion annually to the U.S. gross domestic product. U.S. nuclear plants can employ up to 700 workers with salaries that are 30% higher than the local average. They also contribute billions of dollars annually to local economies through federal and state tax revenues.

SUPPORTS NATIONAL SECURITY

A strong civilian nuclear sector is essential to U.S. national security and energy diplomacy. The United States must maintain its global leadership in this arena to influence the peaceful use of nuclear technologies. The U.S. government works with countries in this capacity to build relationships and develop new opportunities for the nation’s nuclear technologies.

Explanation:

The energy change for 150 g of water to go from 115°C to 80°C is -2205 J.

The energy change for 150 g of water to go from 115°C to 80°C can be calculated using the formula;

q = mcΔT

Where; q = energy change (in Joules)

m = mass of water (in grams)

c = specific heat capacity of water (in J/g°C)

ΔT = change in temperature (in °C)

First, we need to determine specific heat capacity of water. The specific heat capacity of water is 4.18 J/g°C.

Next, we can put the given values into the formula and calculate the energy change;

m = 150 g (given)

c = 4.18 J/g°C (specific heat capacity of water)

ΔT = (80°C - 115°C) = -35°C (change in temperature, noting that the temperature is decreasing)

q = 150 g x 4.18 J/g°C x -35°C

q = -2205 J

Therefore, the energy change is -2205 J (negative sign indicates a release of energy).

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Answer:

the third one

Explanation:

When you breathe in, you inhale oxygen and exhale carbon dioxide

The entropy change is 6.051 x 10^4 J/K

Given:

mass of water = 10 kg

latent heat of boiling = 2257 kj

constant temperature = 100°c

To Find:

entropy change of 10 kg of water

Solution:

entropy change = mass*latent heat of boiling/temperature

= 10×2257×1000/(273+100) K

= 22,570,000/373K = 6.051 x 10^4 J/K

Hence, entropy change is 6.051 x 10^4 J/K

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Answer:

need They need water, nutrients and sun

Both need to capture certain substances from the environment, with the only difference being the method they use. Thus, while animals ingest them with food, plants absorb them from the soil. This is the case of water and nutrients.

The periodic table has changed very little since it was originally developed by Mendeleev and Meyer is referred to as a false statement.

This is defined as the arrangement of elements based on their atomic number in a tabular form. It consists of 18 vertical columns which re referred to as groups and seven horizontal rows called period.

Henry Moseley in 1913 organized Mendeleev's periodic table based on physical properties.This took into consideration their atomic number rather than atomic mass and other missing elements.

This is the periodic table which is used currently and therefore hasn't changed much which is why false was chosen.

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Nitrogen fixation is a process that makes nitrogen available to plants and is carried out by  microorganisms.  specifically bacteria and some archaea.

Nitrogen fixation is a biological process that converts atmospheric nitrogen gas (N₂) into a form that can be utilized by plants and other organisms. This conversion is necessary because atmospheric nitrogen is relatively inert and cannot be directly utilized by most organisms.

The process of nitrogen fixation is primarily carried out by certain microorganisms, specifically bacteria and some archaea. These nitrogen-fixing microorganisms possess enzymes called nitrogenases, which enable them to convert atmospheric nitrogen into ammonia (NH₃) or ammonium (NH₄⁺). This conversion occurs in specialized structures called nodules, which are typically found in the roots of leguminous plants, such as beans, peas, and clover.

The nitrogen-fixing microorganisms establish a symbiotic relationship with the host plants. They receive carbohydrates from the plants while providing them with a source of nitrogen in the form of ammonia or ammonium. This process is vital for enriching the soil with nitrogen and ensuring the availability of this essential nutrient for plant growth and development.

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Complete question:

nitrogen fixation is a process that makes nitrogen available to plants and is carried out by ____

The ph of a 0.010M solution of HF is around 8.26 so, none of the options are appropriate.

The following formula represents the HF acid dissociation reaction:

H3O+ + F- from HF + H2O

The acid dissociation constant, Ka, serves as the reaction's equilibrium constant.

Ka = [H3O+]

[F-] / [HF]

The concentration of H3O+ in the solution can be calculated using the formula for Ka and the supplied HF concentration:

Ka = [H3O+][F-]/[HF].

6.8×10²-4 = [H3O+]

[0.010 M] / [0.010 M]

[H3O+] = Ka [HF] / [F-] = 6.8 x 10²-4 / 0.010 x 6.8 x 10²-3 M

We can use the definition of pH to get the pH of the solution now that we know its H3O+ concentration:

pH equals -log[H3+].

pH = -log(6.8×10²-3)

pH = 2.17

As a result, option is a 0.010 M solution of HF with a pH of 2.17. (c).

The same method can be applied to the second half of the query. The fundamental NH3 dissociation reaction can be expressed as:

H2O + NH3 NH4+ OH-

The base dissociation constant, Kb, serves as the reaction's equilibrium constant.

Kb equals [NH4+][OH-]/[NH3].

The value of Kb is presented to us as 1.8 10 5. The concentration of OH- in the solution can be calculated using the formula for Kb and the known concentration of NH3:

Kb equals [NH4+][OH-]/[NH3].

1.8×10²-5 = [NH4+]

[OH-] / [0.010 M]

[OH-] = Kb [NH3] / [NH4+] = 1.8 x 10-5 / 0.010 x 10²-6 M

We can use the definition of pOH to determine the solution's pOH now that we know the OH- concentration:

pOH equals -log[OH-]

pOH equals -log(1.810-6)

pOH = 5.74

pH + pOH = 14

to determine the solution's pH: pH = 14 - pOH

pH = 14 - 5.74

pH = 8.26

Since none of the options are appropriate, the pH of a 0.010 M solution of NH3 is 8.26.

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Accelerate the hydrologic cycle while decreasing the ocean's thermohaline circulation. (Choice b)

A hydrologic disaster is an incident that results in a major loss of life, material, and environmental harm that is brought on by changes to the hydrologic cycle. A shift in a watershed's typical hydrology due to natural or artificial factors is referred to as an adjustment of the hydrologic cycle.

Watershed hydrology has a significant impact on the long-term viability of local ecosystems and the availability of water. Land use change & rising temperatures are two of these causes.

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A model can only have a certain number of factors, and most models assume that these factors are static, which might limit how accurately a model can simulate reality.

A scientific model is a representation of an idea, a system of ideas, or different types of processes or events that can be in the mathematical form or physical form.

Although models are incredibly useful, they do have some drawbacks. Details—All of the information about the items that models represent cannot be included. Maps, for instance, cannot depict all the specifics of the earth's features, such as mountains, valleys, etc.

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