Help please I promise this time I will mark whoever answers correctly first please​

Answer:

The energy of atomic orbitals increases as the principal quantum number, n, increases. In any atom with two or more electrons, the repulsion between the electrons makes energies of subshells with different values of I differ so that the energy of the orbitals increases within a shell in the order s< p <d<f. Figure 1 depicts how these two trends in increasing energy relate. The 1s orbital at the bottom of the diagram is the orbital with electrons of lowest energy. The energy increases as we move up to the 2s and then 2p, 3s, and 3p orbitals, showing that the increasing n value has more influence on energy than the increasing I value for small atoms. However, this pattern does not hold for larger atoms. The 3d orbital is higher in energy than the 4s orbital. Such overlaps continue to occur frequently as we move up the chart.

Answer:

Each element within a group has similar physical or chemical properties because of its atom's outermost electron shell (most chemical properties are dominated by the orbital location of the outermost electron).

Explanation:

Answer:

i think its solar radiation

Answer:

yes

Explanation:

Answer:

Q = 2.877 mole (4 sig. figs.)

Explanation:

Using Q = m·c·ΔT => m = Q/c·ΔT

Q = 27.16 Kj

c = 27.17 j/g·°C = 0.02717 Kj/g·°C

ΔT = 347.6 °C  

Q = 27.16 Kj/(0.02417j/mol·°C)(347.6°C) = 2.87.6869965 mol (calc. ans.)

= 2.877 mole (4 sig. figs.)

Answer: the answer is plasma membrane

Explanation:

Plasma membrane is made up of lipoproteins. There are two layers of lipids and the protein molecules are embedded in it. It is present in both plant cell and animal cell. The membrane is selectively permeable i.e., it allows only certain substances to pass.

The parts of the cell is made up of lipoprotein is Plasma Membrane. So, the correct option is (B).

The plasma membrane is made up of lipoproteins. There are two layers of lipids and protein molecules are embedded in it. It is present in both plant cell and animal cell. The membrane is selectively permeable i.e. it allows only certain substances to pass through.

The plasma membrane is also called the cell membrane which is a biological membrane that separates and protects the interior of all cells from the external environment. The plasma membrane controls the transport of materials entering and exiting the cell.

It provides a definite environment inside the cell. It also has many different functions such as transporting nutrients into the cell and removing toxins from the cell. The second is that the membrane of the cell, which would be the plasma membrane, would contain proteins that interact with other cells.

Thus, the parts of the cell is made up of lipoprotein is Plasma Membrane. So, the correct option is (B).

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Considering the IUPAC name, the common name for N₂O is nitrous oxide

IUPAC (International Union of  Pure and Applied Chemistry), is the recognized authority in the development of standards for the naming of  chemical compounds, through their Interdivisional Commitee on Nomenclature and Symbols.

The  IUPAC name to N₂O is nitrous oxide. Nitrous oxide is commonly known as the laughing gas is a colorless gas with a pleasant, sweetish odor and taste that, when breathed, causes placidity to pain.

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Answer:

on e2020 the first one is dinitrogen monoxide second one is nitrous oxide

Explanation:

The general structure of a carboxylic acid is shown by option D.

In organic chemistry, a carboxylic acid is an organic acid that consists of a carboxyl group connected to an R-group. the overall components of carboxylic acid are R−COOH or R−CO₂H, with R referring to the alkyl, alkenyl, aryl, or other institution. Carboxylic acids arise broadly.

A carboxylic acid is a natural compound that incorporates a carboxyl group (C(=O)OH). the general formulation of a carboxylic acid is R–COOH, with R referring to the relaxation of the molecule. A carboxylic acid may be the concept of a mixture between functional corporations: an alcohol institution, related to hydrogen certain to oxygen, which attaches to a carbonyl institution, involving a carbon double sure to oxygen.

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Explanation:

i need to do it or what do i nedd

Answer:

Creating A Wave w/ rope

1 . The wave I created is a transverse wave, this is because the wave was moving in a perpendicular direction.

2. 20 Meters

3. 60 Hz

4. 1200 m/s

Creating A Wave w/ a slinky

1. The wave I created was a longitude wave, this is because the wave was moving parallel and the medium was going left.

2. 2 meters

3. 123 Hz

4. 246 m/s

Explanation:

I rally hope this helps you!!

Happy holidays!! <33

Answer:

The Sun is your answer.

Explanation:

it is.

Answer:

because they are saturated

Answer:

Explanation:

It's easier to answer what makes it unsaturated.

H - C ≡ C - H

This is Acetylene. It has three shared bonds between the two carbons. That many bonds makes it unsaturated.

     H   H

H - C - C - H

     H   H

Draw lines from 1 H on top to the Carbon underneath Do the same with the other hydrogen. Make the two Hydrogens on the bottom do the same thing.

The point is that Carbon has 4 bonds. 1 bond goes to the other Carbon. The other 3 take on Hydrogen. That molecule is saturated: nothing can be added in its natural state.

Explanation:

Mix cold water and flour in a jar. Stir very well. After a few minutes, you can see sediments

at the bottom of the jar. How could you separate the sediments from the water?

3. After the members of the family ate different kinds of fruits, you gathered the seeds. You

mixed them in a basin. Later on, your mother instructed you to separate each kind of seed.

How will you separate each kind of seed?

4. Mix sand and water in a basin. After five minutes, try to separate the sand from the water.

How will you do this?

5. Dissolve one teaspoon of sugar in a cup of water (mixture of solid and liquid.) After three

minutes, separate the sugar from the water. How will you do it?

SANA PO MASAGOTAN NYU NG TAMA

Answer:

Salt molecules block water molecules from packing together when temperature is lowered. It then prevents them from becoming ice. More water molecules leave the solid phase than the ones entering the solid phase. Freezing point depression occurs when the freezing point of the liquid is lowered by addition of solute.

Explanation:

Answer:

The awnser is Ionic bond

Answer:

c

Explanation:

just got this question

Answer:

D

Explanation:

Answer:

its not D it's B trust me

Explanation:

The energy of the photon with a frequency of 9.50×10¹³ Hz is 6.29×10¯²⁰ J

From the question given above, the following data were obtained:

Frequency (f) = 9.50×10¹³ Hz

Planck's constant (h) = 6.626×10¯³⁴ Js

The energy of the photon can be obtained as follow:

E = hf

E = 6.626×10¯³⁴ × 9.50×10¹³

Therefore, the energy of the photon is 6.29×10¯²⁰ J

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Answer:

Disadvantages of acid rain:

• Acid rain affects the fresh water ponds and lakes and destroys the aquatic life as some species of fishes are rare and may be extinct

• it can affect the trees particularly those that are high altitude

• It can damage historical monuments and buildings

•soil can be affected and can lead to deaths of good microbes

Advantages of acid rain:

• it makes holes in limestone below ground, which creates caves and places to store groundwater, as well as providing habitat for some species

• But the new study shows that sulfuric in acid may have benefits, limiting global warming by counteracting the natural production of methane gases by microbes in wetland areas.

Explanation:

MgCl2 product in the reaction forms a precipitate because it is solid an insoluble salt and not dissolve in solution and precipitate on the bottom surface of the solution.

The chemical reaction in which two ionic bond combine to form an insoluble salt in a aqueous solution is called precipitation reaction.

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Answer:

Pressure Cooking

Explanation:

Pressure cooking is a very old cooking method that’s experienced a recent resurgence thanks to a new generation of cookers that promise a speedy, set-it-and-forget-it path to dinner. These devices, whether electrical or stovetop, are all much safer than those of decades ago (which tended to explode), with mechanisms to prevent them from accumulating too much pressure. If you read the owner’s manual carefully, however, you’ll still find one important precaution to take when cooking under pressure: adding water. Water and pressure cooking go hand in hand. In fact, it’s water that helps generate the high-pressure environment that makes your food cook faster.

Most pressure cooker instructions state a minimum amount of water required for pressure cooking even a tiny amount of food. Inside the tightly sealed pressure cooker, the water is heated and eventually boils into steam. Since the steam cannot escape, it collects above the food. All those trapped water molecules increase the pressure inside the cooker.

Explanation:

Here you go, my teacher hasnt graded it yet.

The color absorbed is the complementary color to the color we perceive.

The color absorbed by an object and the color we perceive are complementary. All objects that we see have different colors. The color we see is always opposite to the color absorbed by the object in the color wheel.

Hence, the color wheel can be used to show the relationship between the color perceived and the color absorbed by the object. The color absorbed is the complementary color to the color we perceive.

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mix the food with digestive juices that have acids and enzymes, breaking it into much smaller, digestible pieces

Explanation:

The ice cube which was solid has turned into the liquid water because the air temperature is warmer than the freezers. Which means the ice particles gather heat energy from the warmer air. Therefore the ice particles have enough energy to break apart (melt)into smaller particle arrangements.

Answer:

No diagram no help

Explanation:

Answer:

sdfs

Explanation:

dfssdf

When 1-bromo-2-methylpropane is reacted with methoxide the same product 1-methylprop-2-ene is obtained. This reaction is attached in image below:

The SN2 reaction is a nucleophilic substitution reaction that breaks one bond while forming another. The rate-determining step of the reaction involves two reacting species. SN2 is an abbreviation for Substitution Nucleophilic Bimolecular.

The reaction is bimolecular because two molecules are present in the transition state, as indicated by the number 2 in the SN2 symbol. As a result, the rate of the reaction is affected by the concentrations of both the nucleophile and the substrate.

The SN2 reaction is a nucleophilic substitution with two components in the rate determining step. -SN2 reactions are bimolecular, with bond-forming and bond-breaking steps occurring simultaneously. There is no intermediate in -SN2 reactions.

Thus, product 1-methylprop-2-ene is obtained.

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