13.8 g of neon gas is placed in a container at 34 oc and 812 mm hg. what is the volume of the container (in l)?

Answer:

Explanation:

well there is many things in our solar system and a moon is one of them. the moons in our solar system are big and small and orbit our planets. the moon is unique because it shines in the dark while it lets the sun shine in the light.

Thats what i would say but its an eh answer

S denotes the ''number of shared electron pairs by an atom'', Hence, Silicon shares its 4 electrons with 4 Cl-atoms. Thus the Value of S is 4 in SiCl₄ .It is also known as covalency

The number of covalent bonds that a particular atom can make with other atoms in forming a molecule.

Covalent bond id formed by the sharing of electron between two atoms.

Hence, Silicon shares its 4 electrons with 4 Cl-atoms. Thus the Value of S is 4 in SiCl₄ . It is also known as covalency

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Answer:

1.B

2.C

Explanation:

Cell structure is represented by B is the ribosome.

The nucleus contains molecules of C, which store hereditary information.

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.

In a eukaryotic cell, ribosomes present in the cytoplasm synthesize proteins, which are required by the cell and the ribosomes present on the rough endoplasmic reticulum, synthesize secretory proteins.

Most of the enzymes are protein molecules and are synthesized on the ribosomes and the nucleus is contained with DNA that stores the hereditary information.

Hence, option B is correct for question 1 and option C is correct for question 2.

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In an inverted trophic pyramid, greater biomass is present in the secondary carnivores than in the primary producers. Compared to terrestrial systems, aquatic systems are more likely to feature inverted pyramids.

In an inverted trophic pyramid, greater biomass is present in the secondary carnivores. This unique phenomenon deviates from the traditional pyramid shape typically found in trophic structures. Generally, biomass decreases as one ascends the trophic levels, with primary producers having the most biomass and tertiary consumers having the least.

Compared to terrestrial systems, aquatic systems are more likely to feature inverted pyramids. This is mainly due to the rapid turnover rate of phytoplankton, which are the primary producers in aquatic ecosystems. As phytoplankton have a short lifespan and high reproductive rate, they are consumed rapidly by zooplankton, the primary consumers. Consequently, the biomass of primary producers in aquatic systems is relatively lower at any given time.

In contrast, terrestrial ecosystems usually have a more stable and long-lasting primary producer base, such as trees and plants, resulting in the traditional pyramid shape.

In summary, an inverted trophic pyramid is characterized by a greater biomass in secondary carnivores compared to primary producers, a pattern more commonly found in aquatic ecosystems than in terrestrial systems. This distinctive structure results from the rapid turnover rate of primary producers in aquatic environments.

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Answer:

d - orbital

Explanation:

The d-orbital can modelled by a peanut shape.

A peanut shape closely resembles the shape of a double dumb-bell shape. The double dumb-bell shape is like that of a peanut.

Therefore, since a peanut is like a double dumb-bell, it clearly models the d-orbital.

Methane is a chemical compound with the molecular formula CH₄. The mass flow rate of methane is approximately 0.0004346 kg/s.

Methane is a hydrocarbon, meaning it consists of hydrogen and carbon atoms. It is a colorless, odorless gas and is lighter than air. Methane is highly flammable and is a potent greenhouse gas, contributing to climate change when released into the atmosphere. It is produced naturally through the decomposition of organic matter and is also a byproduct of various industrial processes, agriculture, and livestock farming.

To calculate the final result, we need specific values for pressure and temperature. In your previous question, you provided the temperature as 15°C and the pressure as 150 kPa. Let's plug in these values and calculate the mass flow rate:

\(n = (150,000 Pa * \pi * (0.5 m)^2) / (8.314 J/(mol.K) * (15 + 273.15 K))\\n = 0.02712 mol\)

Mass flow rate = n × molar mass

Mass flow rate ≈ 0.02712 mol × 16 g/mol

Mass flow rate ≈ 0.4346 g/s

Mass flow rate (in kg/s) = Mass flow rate (in g/s) / 1000

Mass flow rate (in kg/s) ≈ 0.4346 g/s / 1000

Mass flow rate (in kg/s) ≈ 0.0004346 kg/s

Therefore, the mass flow rate of methane is approximately 0.0004346 kg/s.

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Table salt solution is neutral in nature. Lemon juice solution is more acidic in nature and soap solution is slightly basic in nature.

Any combination of one or more solutes that have been dissolved in a solvent is referred to as a solution. To create a homogenous mixture, a solute must dissolve in a solvent. To create a homogenous mixture, a solute must dissolve in a solvent.

The solution of soap is alkaline. Alkaline has a pH greater than 7. While lemon juice has an acidic pH of roughly 2, during metabolism it actually becomes alkaline and has a pH much above 7.

Sodium chloride, or table salt, is the original "salt." A neutral salt is sodium chloride, which is produced by neutralizing sodium hydroxide and hydrochloric acid.

Thus, In this way we can differentiate between table salt solution lemon juice and soap solution.

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Answer: neutralization reaction

Explanation: In this reaction, the sodium hydroxide (NaOH) reacts with the acetic acid (CH3COOH) to produce sodium acetate (CH3COONa) and water (H2O). This is a type of acid-base reaction, where the NaOH is a strong base that reacts with the CH3COOH, a weak acid, to form the salt CH3COONa, which is a weak acid conjugate base, and water.

Answer:

what do you need help with .

Explanation:

?

Answer:

Based on stoichiometry HNO3 to H2O is 6:2

Use 9 grams to find the moles of HNO3

9 grams/63g/mol=0.143 moles of HNO3

HNO3:H2O

6:2

0.143*2/6=0.048

H2O moles is 0.048moles

Mass of water =0.048moles*18g/mol=0.864g

To the nearest tenth=0.9grams

( sorry if its not right)

When the carbonic acid sodium bicarbonate buffer pair buffers lactic acid, the following reaction occurs:$$\text{HCO}_3^- + \text{H}^+ \leftrightarrow \text{H}_2\text{CO}_3$$The carbonic acid/bicarbonate buffer system is one of the most important in human blood. When the pH of the blood decreases (becomes more acidic), the amount of bicarbonate ions in the blood decreases, and the concentration of hydrogen ions increases.

A buffer is a solution of a weak acid and its conjugate base that prevents changes in pH when small amounts of strong acid or base are added. Buffer systems protect organisms from pH changes by regulating and neutralizing acids and bases that enter or are produced by cells.

When the carbonic acid sodium bicarbonate buffer pair buffers lactic acid, the following reaction occurs:$$\text{HCO}_3^- + \text{H}^+ \leftrightarrow \text{H}_2\text{CO}_3$$The carbonic acid/bicarbonate buffer system is one of the most important in human blood. When the pH of the blood decreases (becomes more acidic), the amount of bicarbonate ions in the blood decreases, and the concentration of hydrogen ions increases. To balance the excess hydrogen ions, carbonic acid (H2CO3) is formed from carbon dioxide (CO2) and water (H2O). Carbonic acid then decomposes to form bicarbonate ions and hydrogen ions, and the pH of the blood is returned to normal. The bicarbonate ions act as a base, neutralizing the excess hydrogen ions that cause the blood to become more acidic. This is called the bicarbonate buffer system. Lactic acid is produced during intense exercise when the body doesn't get enough oxygen to meet its energy needs. The buildup of lactic acid in muscles can cause fatigue and muscle soreness. The carbonic acid/bicarbonate buffer system can also help to buffer the excess lactic acid produced during exercise, preventing the blood from becoming too acidic.

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Answer:

Organ systems & their main functions

Explanation:

The chest bones Rib Cage & spine - protects the vital organs (heart, lung,liver) from injury & provides structural support for body.

Skin is the body's first line of defense & keeps the body warm. In case of any invading infection, fever - body temperature rise fights it.

Circulatory system (containing heart) & its body fluid blood -  transports nutrients and oxygen to body cells

Endocrine system regulates growth, produces hormones - that target organs via bloodstream.

Considering the Charles' law, the gas would have a temperature of -109.2 C.

Finally, Charles' law establishes the relationship between the volume and temperature of a gas sample at constant pressure. This law says that the volume is directly proportional to the temperature of the gas. That is, if the temperature increases, the volume of the gas increases, while if the temperature of the gas decreases, the volume decreases.

Charles' law is expressed mathematically as:

\(\frac{V}{T} =k\)

If you want to study two different states, an initial state 1 and a final state 2, the following is true:

\(\frac{V1}{T1} =\frac{V2}{T2}\)

In this case, you know:

You can see that the pressure remains constant, so you can apply Charles's law.

Replacing in the Charles's law:

\(\frac{10 L}{293 K} =\frac{6 L}{T2}\)

Solving:

\(\frac{10 L}{293 K} T2=6 L\)

\(T2=\frac{6 L}{\frac{10 L}{293 K} }\)

T2=163.8 K= -109.2 C

The gas would have a temperature of -109.2 C.

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Explanation:

Hi, I think the answer's C- neutral cuz 6.7 is approximately 7, and seven is neutral so....

C

hope this helps

Answer:

The correct answer is - 14.

Explanation:

In the given molecular formula of the aluminum sulphite which is Al2(SO3)3, this molecular formula there different type of elements are bonded together to form this compound each element has a specific number of atoms present. This compound has three elements that are aluminum, sulfur, and oxygen and the atoms are present are:

Al = 2 atoms represented by subscript

S = 3 atoms represented as whole subscripts of sulfite

O = 9 atoms 3 inside bracket and 3 outside of bracket that multiplies.

Thus, total number of atoms are 2+3+9 = 14

Answer:

c. 800.0 mL

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The evidence that indicated that the map made near Lake Tapps in Washington was a massive lahar from Mt. Rainier and not an old glacier: Whole logs mixed in with the rocks, Clay-sized particles and An abundance of snow and ice

The following evidence indicated that the map made near Lake Tapps in Washington was a massive lahar from Mt. Rainier and not an old glacier:

Whole logs mixed in with the rocks: The presence of whole logs mixed in with the rocks suggests a rapid and powerful flow, characteristic of a lahar, rather than the slow movement associated with glaciers.

Clay-sized particles: The presence of clay-sized particles is often associated with lahars, as they can be easily transported by the flowing volcanic material.

An abundance of snow and ice: The presence of snow and ice is indicative of a recent event, as glaciers tend to accumulate and retain snow and ice over time. In the case of a lahar, the presence of snow and ice suggests a more recent deposition.

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Answer:

To be stable an atom will gain, lose, or share electrons to complete the outer most energy level (electron shell). Octet Rule because levels 2 and 3 need 8 electrons to be stable.

Answer:

d) 0.0962 L

Explanation:

The problem describes a dilution process, meaning that we can solve it by using the following equation:

Where subscript 1 stands for the volume and concentration of the concentrated solution, and 2 for those of the diluted solution. That means that in this case:

We input the data:

And solve for V₁:

Finally we convert 96.2 mL to L:

The answer is thus option d).

Answer:

is the process of water movement through a plant and its evaporation from aerial parts, such as leaves stems and flowers.

Answer:

well in easy terms... its just like the loss of water from the leaves or other parts of a plant due to evaporation

Explanation:

Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism.

Answer:

Decomposers are used to break down substances. In chemistry, this is the breaking down of organic molecules into simpilar compounds that are able to be sused

Answer:

Explanation:

Synthesis- D

Combustion- C

Decomposition- A

Single Displacement- C

Double Displacement- B

Answer:

3.57 m

Explanation:

Expressed in the correct number of significant digits, The product of the number 1000 and the measurement 0.00357 m will give us;

1000 × 0.00357 = 3.57 m

The correct number of significant figures is three significant figures as seen in 3.57 m

Answer:

Metals

Explanation:

If you look on the periodic table metals are the most abundant.

The change in the taste of the cake to vanilla flour is an example of a chemical change.

Chemical changes are changes which occur when substances undergo changes that are  no easily reversible an in which new substances are formed.

During chemical changes, large amounts of heat changes occur.

Some example of chemical changes is in the rusting of iron, the baking of breads and cake from a mixture of flour sugar and various flavors.

In the given scenario, Mira added vanilla flavored liquid to a cake and heated which resulted in a cake is having vanilla flour. The change in the taste of the cake after the vanilla flavor was added and the cake heated is an example of a chemical change.

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◆ Atomic mass of carbon (C) = 12g

◆ Atomic mass of oxygen (O) = 16g

= 3.57

= 3.57

Simplest ratio :-

= 3.57 : 3.57

= 1 : 1

Empirical Formula = CO

Answer:  Volume =  0.01L

Explanation:

The density of a substance is given by; Density =  Mass / Volume.

In this question, Mass = 1000g, Volume = ? and Density = 100 Kg/L

For the units to be uniform, we convert 1000g to Kg = 1Kg

Therefore, Volume = Mass / Density =  1Kg / 100Kg/L = 0.01L

Answer:

Jay Bennett

Fentanyl

Opioid

extreme happiness, drowsiness, nausea, confusion, constipation, sedation, tolerance, addiction, respiratory depression and arrest, unconsciousness, coma, and death.

In Urine

Why did Jay overdose on Fentanyl?

Explanation:

I looked all of this up

2815.9 g  is the maximum mass of ammonia that can be produced by the reaction of 1,000g of nitrogen with 500g of hydrogen

Write the balanced equation.

3H₂ + N₂ → 2NH₃

Calculate the moles of hydrogen in 500g.

n = m/M; where n = moles, m = mass, and M = molar mass.

M(H₂) = 2 × 1.008 g/mol H = 2.016 g/mol H₂

n(H₂) = (500)/(2.016 g/mol) = 248.015 mol H₂

Calculate the moles of nitrogen in 1,000g

M(N₂) = 2 × 14.007 g/mol N = 28.014 g/mol N₂

n(N₂) = (1,000g )/(28.014 g/mol) = 35.696 mol N₂

Calculate the moles of ammonia that can be produced by 248.015 mol H₂ and 35.696 mol N₂, using the mole ratio between each reactant and ammonia in the balanced equation.

248.015 mol H₂ × 2 mol NH₃/3 mol H₂ = 165.34 mol NH₃

35.696 mol N₂ × 2 mol NH₃/1 mol N₂ = 71.392mol NH₃

Because H₂ produces the least number of moles of NH₃, it determines the maximum mass of NH₃.

Calculate the mass of NH₃ in 3.3069 mol.

m = n × M

M(NH₃) = 14.007 g/mol N + (3 × 1.008 g/mol H) = 17.031 g/mol NH₃

m(NH₃) = 165.34 mol × 17.031 g/mol = 2815.9 g NH₃

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The energy of the electron in the ground state of the helium ion is -54.44 eV, which is greater than the energy of the electron in the ground state of the hydrogen atom.

The ground state of the hydrogen atom has only one electron in its lowest energy level, also known as the n=1 shell. The energy of this electron is given by the formula E = -13.61 eV. In the case of the helium ion, which has a +2 charge, the electron is attracted to two protons in the nucleus instead of one. As a result, the energy of the electron is greater than that of the hydrogen atom.

To find the energy of the electron in the ground state of the helium ion, we need to use the formula for the energy of an electron in a hydrogen-like ion, which is E = -13.61(Z²/n²) eV. Here, Z is the atomic number of the ion (in this case, Z=2 for helium), and n is the principal quantum number (in this case, n=1 for the ground state). Plugging in these values, we get E = -54.44 eV.

Therefore, the energy of the electron in the ground state of the helium ion is -54.44 eV, which is greater than the energy of the electron in the ground state of the hydrogen atom.

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