Nature produces .........alkene exclusively and Oils are derived from ......... having a larger number of double bonds. a. trans, lipids b. trans, glycerol c. saturated, fatty acids d. terminal, lipids e. cis, fatty acids

Answer:

YEESSS

Explanation:

Because that seems like the only logical answer.

Answer:

YES

Explanation:

YES

Answer:

5/8 M

Explanation:

NaOH + HCl ====> NaCl + H2O

in 25 mL of 0.5M acid, we have 1/80 Mol of HCl

it mean we must have 1/80 Mol of NaOH.

20 mL = 1/50 L

(1/80)Mol / (1/50)L = 5/8 M

Answer:

Its 3

Explanation:

I took the test

Answer: 3

Explanation: im in k12 got the same question

The boiling point of water is dependent on the pressure exerted on the liquid. In this case, water boils at 90°C when the pressure exerted on the liquid equals 101.3 kPa, which is equivalent to atmospheric pressure. At different pressures, the boiling point of water will vary.

The boiling point of a substance is the temperature at which its vapor pressure equals the external pressure exerted on the liquid. When the external pressure is equal to the vapor pressure, the liquid starts to vaporize and boil.

In the given options, the pressure values are provided, and we need to determine which pressure corresponds to the boiling point of water at 90°C.

At standard atmospheric conditions, the pressure is approximately 101.3 kPa, which is equivalent to 1 atmosphere (atm) or 760 mmHg. This is also known as the normal boiling point of water, where water boils at 100°C.

Based on this information, we can conclude that option (3) 101.3 kPa is the correct choice. At this pressure, water boils at 90°C.
Therefore, the boiling point of water is affected by the pressure exerted on the liquid, and at 101.3 kPa, water boils at 90°C. At higher pressures, such as option (4) 120 kPa, water would boil at a higher temperature, and at lower pressures, such as options (1) 65 kPa or (2) 90 kPa, water would boil at a lower temperature.

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Answer:

A mutation is a heritable change in the genetic material of an individual. The change can be large or small. Large changes involve the loss, addition, duplication, or rearrangement of whole chromosomes or chromosome segments. Mutations can affect an organism by changing its physical characteristics (or phenotype) or it can impact the way DNA codes the genetic information (genotype). When mutations occur they can cause termination (death) of an organism or they can be partially lethal.

Explanation:

Technician A says an ethylene glycol and water mixture lowers the freezing point of the coolant. Technician B says an ethylene glycol and water mixture raises the boiling point of the coolant. Both are correct.

Ethylene glycol is an organic compound. It is used in two main purposes: manufacture of polyester fiber, and as antifreeze formulation.

It lowers the freezing point of the coolant and raises the boiling point of the coolant.

Thus, Both Technician A and B are correct.

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Answer:

They both should be correct

Explanation:

i go to school for diesel

Answer:

m= 0.20 Kg

Explanation:

Given: F = 6 J, a = 3 m

To find: What is  the mass of the apple?

Formula: \(m=\frac{2KE}{v^2}\)

Solution: Newtons are derived units, equal to 1 kg-m/s². In other words, a single Newton is equal to the force needed to accelerate one kilogram one meter per second squared.

M = F ÷ a

F = 6 kg ÷ 3 m/s2

F = 2 N

PE = mgh 6 J= (3m) (9.8 m/s2²) (__m) m= 0.20 Kg

Answer:

stock and traditional

Explanation:

the iupac says so

The dish A will be chosen for the top dishes would make the food dish the warmest when placed on top of it.

The term energy is defined as the “ability to perform work, which is the ability to exert a force causing displacement of an object.”

The diagram clearly shows that the dish A contains the highest energy molecules, each with an energy of 30. Heat is an energy form. It is energy that is transferred between substances or systems due to a temperature difference.

Thus, choosing a dish that has maximum energy will provide the maximum heat.

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The main answer to your question is (E) a molecular solid.

A molecular solid is composed of individual molecules held together by intermolecular forces, such as London dispersion forces, dipole-dipole forces, and hydrogen bonding.

These intermolecular forces are not strong enough to allow the substance to conduct electricity in solution or when melted.

Additionally, the low melting point of the substance indicates that the intermolecular forces holding the molecules together are relatively weak.

Summary: The substance is likely a molecular solid, which does not conduct electricity in solution or when melted due to weak intermolecular forces between individual molecules.

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Answer: 3, 2

Explanation: right on edge 2020

Answer:

The answer are 3 and 2

Explanation:

just took it

Answer:

hope it helps..

Explanation:

Number of protons

More information: The atomic number is used to identify an element, and the atomic number is the number of protons in the nuclei of an element. Every element has its own unique number of protons, and therefore, atomic number.

Answer: Yes it can help make cake rise.

Explanation: Its a leavening agent and its a good ingredient for baking.

Hydrogen oxalate anion has acidic nature.

A more detailed explanation of the answer.

An aqueous solution of a hydrogen oxalate salt (e.g., NaHC2O4) would be acidic. To determine this, we can compare the Ka values of oxalic acid (H2C2O4) and hydrogen oxalate anion (HC2O−4).

Step 1: Identify the Ka values
Oxalic acid (H2C2O4) has a Ka of 5.9×10⁻².

Hydrogen oxalate anion (HC2O−4) has a Ka of 6.1×10⁻⁵.

Step 2: Compare the Ka values
Since the Ka of oxalic acid is greater than the Ka of the hydrogen oxalate anion, it means that oxalic acid is a stronger acid than the hydrogen oxalate anion is a weak acid.

Step 3: Determine the nature of the solution
In an aqueous solution of NaHC2O4, the hydrogen oxalate anion (HC2O−4) will partially ionize to produce H+ ions, making the solution acidic. Since the hydrogen oxalate anion is the only species contributing H+ ions to the solution, the overall nature of the solution will be acidic.

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Option E IR absorptions are caused by electron excitation  isn't true about IR spectroscopy.

IR absorptions are caused by changes in the vibrational energy of bonds in a molecule, not by electron excitation. This means that IR spectroscopy is based on the measurement of the absorption of infrared light by a sample, not on the excitation of electrons.

IR spectroscopy, or Infrared spectroscopy, is a type of vibrational spectroscopy that measures the vibrations of bonds between atoms in a molecule, it is used to identify and quantify the composition of a sample by analyzing the absorption or transmission of infrared light through the sample.

By analyzing the pattern of IR absorptions, it is possible to identify the functional groups and the chemical composition of a sample, which can provide valuable information about its structure and properties.

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The order in which the organisms visited the campsite is most likely:

This is because the deer tracks are the most numerous, followed by the rabbit tracks. The bear tracks are less numerous than the rabbit tracks, but they are accompanied by fur. The beaver dam and lodge are the newest features of the campsite, and they are not associated with any other animal tracks.

It is possible that the bear and the beaver visited the campsite at the same time, but the beaver's activities are more recent. This is because the beaver dam and lodge are still in use, while the bear tracks are older and have been partially obscured by the deer tracks.

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In the table on the next page,check off the clues that relate to the organisms that were found in the area. Using the clues,see if you can determine the order in which the organisms visited the campsite.

here is the table with the clues checked off:

Organism Clues

Deer Tracks, droppings

Rabbit Tracks, droppings

Bear Tracks, droppings, fur

Beaver Dam, lodge

The electrons present in the valence shell of an atom are responsible for the reactivity of atoms.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

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Answer:

If you still need help on this:

SECTION 1

1. These organelles are found in the cytoplasm, a viscous liquid found within the cell membrane that houses the organelles and is the location of most of the action happening in a cell.

2. Each part of the cell does not work alone, but rather works together with other organelles to keep the cell alive and maintain homeostasis.

3. The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.

4.Vacuoles might store food or any variety of nutrients a cell might need to survive. They can even store waste products so the rest of the cell is protected from contamination. Eventually, those waste products would be sent out of the cell.

Answer:

C

Explanation:

.........................

1 mole of Sulfuric acid reacts with 2 moles sodium hydroxide to give 1 mole of sodium sulfate and 2 moles of water. Here the concentration of H₂SO₄ used is 0.035 M.

The balanced equation for the reaction is

H₂SO₄ + 2NaOH ⇒ Na₂SO₄ + 2H₂O

So 1 mole of sulfuric acid reacts with 2 moles of sodium hydroxide to give one mole of sodium sulphate and two moles of water.

Here 6.8 ml of 6 M sodium hydroxide is reacted.

Molarity = number of moles/volume in L

         6 = n/ 0.0068 L

n = 6 × 0.0068 = 0.0408 moles.

So, number of moles of H₂SO₄ reacted =

Number of moles of NaOH/2 = 0.0408/2 = 0.0204

Concentration = number of moles/ Volume in L

                                                 = 0.0204/ 0.6 =0.035M.

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Answer:

C. When two substances are combined, but are not chemically

Explanation:

Compound is result of chemical combination of two or more than two substance. When substances chemically combine thier properties change.

When substance are mixed in such a way that they donot react with each other such combination results in mixture. In mixture their properties do not change.

Answer:

Calcium sulphate is the right answer for this question.

It is because calcium sulphate helps to obtain the hardness in water. hardness.

The presence of this resource is a main reason for permanent hardness.

Hard drinking water has moderate health benefits, but can pose serious problems for the industrial settings.

Explanation:

There would be more of the bicarbonate ion present in the solution at low pH.

We know that the pH has to do with the degree of the acidity of the alkalinity of a given solution. We know that carbonic acid can be able to dissociate in solution via a reversible reaction.

In this case, when the pH is low, we know that there would now be more of the bicarbonate ion as the acid would  begin to dissociate so as to counter the constraint of the pH that has been imposed on the system.

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Acetic acid will neutralize the addition of a strong base in an acetic acid/acetate buffer system.

In an acetic acid/acetate buffer system, the main purpose is to resist changes in pH when small amounts of acid or base are added. When a strong base is added, it increases the concentration of hydroxide ions (OH-) in the solution, which can shift the pH towards the basic side.

To neutralize the added strong base and maintain the buffer system, acetic acid (CH3COOH) acts as the main keyword. Acetic acid, being a weak acid, can react with the hydroxide ions (OH-) to form water (H2O) and acetate ions (CH3COO-). This reaction helps in counteracting the increase in hydroxide ions, thereby stabilizing the pH of the buffer system.

Water (H2O), acetate ions (CH3COO-), and hydronium ions (H3O+) are already present in the buffer system and do not actively neutralize the strong base. It is the addition of acetic acid that replenishes the buffer's acid component and maintains its pH buffering capacity.

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The reaction is an oxidation-reduction reaction because here Sodium is oxidized from Na to Na⁺ while hydrogen is reduced from H⁺ to H₂⁰.

The reaction below: 3Na(s) + 3H₂O(l)= 3NaOH(aq) + H₂(g)

1. The reaction is an oxidation-reduction reaction because here Sodium is oxidized from Na to Na⁺ while hydrogen is reduced from H⁺ to H₂⁰.

2.  The substances oxidized are Na and reduced. is H⁺.

3. The reducing agent is Na and the oxidizing agent is H₂O.

4.  half ionic equation for the oxidation

  Na => Na⁺ + e⁻

The half ionic equation for the reduction equation.

H₂O + e⁻ => H₂

An oxidation-reduction reaction is any chemical response in which the oxidation number of a molecule, atom, or ion changes by way of gaining or losing an electron. Redox reactions are common and crucial to some of the basic features of lifestyles, such as photosynthesis, respiration, combustion, and corrosion or rusting.

Oxidation is a chemical procedure. it is defined as a method that occurs whilst atoms or agencies of atoms lose electrons. some other manner to define oxidation is when a chemical species gains oxygen or loses hydrogen. whilst these activities occur, oxidation takes area.

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The pH of an aqueous solution of 0.215 M potassium nitrite, KNO2 (aq), is 8.10. This solution is basic.

pH stands for potential of hydrogen. It is a measure of the acidity or basicity of an aqueous solution on a scale of 0 to 14. Acids are defined as having a pH less than 7, whereas bases are defined as having a pH greater than 7. A pH of 7 indicates a neutral solution, which is neither acidic nor basic.

KNO2 is the chemical formula for potassium nitrite. It is a white crystalline salt with a slightly salty and bitter taste. It's an important inorganic compound that's utilized as a food preservative in the meat industry. KNO2 is also employed as a reducing agent in the manufacturing of dyes and other chemicals, as well as a fumigant and herbicide.

Therefore, the pH of KNO2 (aq) solution is 8.10. The solution is basic.

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The word that describes the way a writer chooses to write their piece is called diction (option A).

Diction is the choice and use of words, especially with regard to effective communication. It is also regarded as the effectiveness and degree of clarity of word choice and expression.

Diction refers to the linguistic choices a writer makes to effectively convey an idea, a point of view, or tell a story. In literature, the words used by an author can help establish a distinct voice and style.

Authors use dictions for the careful selection of words to communicate a message or establish a particular voice or writing style. For example, flowy, figurative language creates colorful prose, while a more formal vocabulary with concise and direct language can help drive home a point.

The options to the incomplete question are as follows:

A) Diction

B) Syntax

C) Tone

D) Sentence

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Answer:

Mass of 1 mole potassium = 39.1

Therefore, a mole of potassium has more mass than a mole of sodium.