A group of organs that work to gather to perform a specific task

El catión divalente descrito en la pregunta es \(Sn^{2+}\). Divalente significa que ha perdido dos electrones.

La distribución electrónica de \(Sn^{2+}\) es;

  1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

El número másico de estaño es 118 y \(Sn^{2+}\) tiene 50 protones.

Por lo tanto, el número de masa de Sn =\(118 - 50 = 68 neutrones\)

El número de electrones es 49 y el número de protones es 50 en \(Sn^{2+}\)por tanto;

El número de electrones + protones = 99

El último electrón está en el orbital, 5s2, por lo que sus posibles números cuánticos son;

n = 5, l = 0, m = 0, s = ±1/2

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The answers of every subquestion is given below:

Percent yield of the reaction is the percent ratio of actual yield to the theoretical yield.It is calculated to be the experimental yield divided by theoretical yield multiplied by 100%.

The theoretical yield is the amount predicted by a stiochiometric calculation based on the number of moles of all reactants present.

This calculation assumes that only one reaction occurs and that the limiting reactant reacts completely.

The actual yield is the quantity of a product that is obtained from a chemical reaction.

          2 C₆H₁₀ + 17 O₂ ⇒ 12 CO₂ + 10 H₂O

1. When you do this calculation for 35 grams of C₆H₁₀, you find that 113 grams of CO2 will be formed.

When you do the calculation for 45 grams of oxygen,You find that 43.7 grams of CO2 will be formed.Because 43.7 grams is the smaller number forming 43.7 grams of product.

2. Oxygen is the limiting reagent

3. 21.4 grams of C₆H₁₀ will be left over.

4.  80.1%

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The full antacid tablet would neutralize 1.41 L of stomach acid.

let's calculate the concentration of the simulated stomach acid. We added 4.0460 g of antacid to 200 ml of stomach acid, so the concentration is:

C1 = (4.0460 g / 200 ml) * (1 mol / 102.09 g) = 0.0197 M

1 mol of HCl reacts with 1 mol of NaOH

So the number of moles of HCl neutralized by the NaOH solution is:

n = C2 * V2 = (0.1000 mol/L) * (27.4 mL / 1000 mL) = 0.00274 mol

n_antacid = 5.6720 g / 102.09 g/mol = 0.0555 mol

so the number of moles of HCl neutralized by the antacid tablet is:

n_HCl = 0.5 * n_antacid = 0.0278 mol

V_HCl = n_HCl / C1 = 0.0278 mol / 0.0197 mol/L = 1.41 L

Concentration refers to the amount of a solute dissolved in a given amount of solvent or solution. It is usually expressed in units of molarity (moles per liter) or weight per volume (grams per liter). There are various methods for measuring concentration, including titration, spectrophotometry, and gravimetry. These methods allow chemists to accurately determine the amount of solute in a solution and adjust the concentration as needed.

Concentration plays a crucial role in many chemical reactions and processes. It can affect the rate of a reaction, the yield of a product, and the properties of a solution. For example, a higher concentration of reactants can increase the rate of a reaction, while a higher concentration of a solute can increase the boiling or melting point of a solution.

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Answer:

boron

Explanation:

Boron and aluminum lie in same group in modern periodic table and both have three valence electrons

In some kind of a 0.800 m ba(oh)2 solution, each individual ion has a concentration of 1.81M.

Together with magnesium, calcite, phosphate, and bicarbonates, salt, potassium, & chloride are the important electrolytes. We obtain electrolytes from our diet and drinks. Unbalanced amounts of these electrolytes might result in either low or high levels.

In a solution of Ba(OH)2 at a concentration of 0750 M, Ba2+ is the predominant ion.  = 0.800M and OH⁻  = 1.50 M.

The dissociation equation is:

Ba(OH)²(s)=Ba²+aq+2OH-aq

Using the Ba(OH)2 mole ratio:  Ba₂⁺which is 1: 1 the concentration of Ba² is = 0.750M

By utilising Ba(OH)2's mole ratio: which is 1:2 the concentration of

OH=0.800*2/1

=1.81M

Individual ion concentration is therefore ba(oh)2 = 0.800M & = 1.81M.

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Answer:

chlorine Will be at highest

The statement claims that 5mmol of BaCl were needed to attain the goal.

In a chemical equation, the word "aqueous" refers to a substance that is disseminated in saltwater (a solution in water). For instance, sodium chloride is produced when sodium hydroxide solution is added to diluted hydrochloric acid. The word "liquid" denotes the creation of liquid substances during a process.

In an aqueous solution, liquid water acts as the solvent. Solute (disintegrated) protons and atoms are surrounded by and incorporated into the web of bonds by water molecules. The dissolved organisms then spread out across the water.

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Answer:

361.0 milimoles of nickel chloride

Explanation:

Mili is a unit prefix that represents 1/1000 of the measured value. The multiplication of molarity with volume in liters gives the moles:

190.0mL = 0.190L * (1.90 moles / L) = 0.361 moles -Are moles of NiCl2.

Now, to convert moles to milimoles you must use 1 mole = 1000 milimoles thus:

0.361 moles * (1000 milimoles / 1 mole) =

The average kinetic energy of an ideal gas's molecules is directly proportional to the absolute temperature.

The average kinetic energy of a gas's molecules is directly proportional to its absolute temperature. The temperature of a gas is a measurement of the average kinetic energy of its molecules, according to the kinetic theory of gases.

Gas molecules are always moving randomly and clashing with one another and the walls of their container, according to the kinetic theory of gases. The average kinetic energy of these molecules is measured by the gas' temperature; greater temperatures indicate higher average kinetic energies.

The Boltzmann constant (k), which has a value of around 1.38 x 10-23 joules per Kelvin, is the proportionality constant that links the absolute temperature of an ideal gas to the average kinetic energy of its molecules. Therefore, the average kinetic energy of the molecules in an ideal gas increases as the absolute temperature of the gas increases.

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physical characteristics and life cycle differences are the two types of adaptations that plants can show (option A)

The science community has long recognized adaptation as critical in sustaining living entities' livelihoods worldwide. Organisms gradually evolve by changing specific characteristics susceptible to environmental pressures through natural selection- enabling advantageous features within nature's unique selective pressures compared to less-adapted species when navigating complex environments .

Further categorizing adaptation into three groups provides us insight into how life adapts best – Physical adaptations suitable for warding off potential threats; Behavioral adaptations improving available resources; Physiological adjustments maximizing bodily functions within the context provided by the environment

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Answer:

true I just guessed of I'm being honest

Answer:

k

p

p

k

k

I believe.. ............

Answer:

The required numerical set up is;

RAM = (19.78% * 10) + (80.22% * 11)

Explanation:

The relative atomic mass is the sum of the products of the mass of each isotope and its relative abundance.

Hence the relative atomic mass of Boron is obtained form;

RAM = (19.78% * 10) + (80.22% * 11)

RAM = (1.978) + (8.8242)

RAM =10.8022

Answer:

55mL

Explanation:

44g / 0.8g/mL = 55mL

Organic molecules (amino acids) needed to be concentrated to stimulate reactions to form protein concentration mechanisms that do not include Boiling.

Amino acids are natural compounds composed particularly of nitrogen, carbon, hydrogen, and oxygen. Your body desires 20 awesome amino acids to grow and function. amino acid, any of a group of organic molecules that consist of a basic amino group (―NH2), an acidic carboxyl group (―COOH).

fruits have an excessive content of amino acid that allows modify insulin degrees. fruits like bananas, apples, berries, and so forth., are rich resources of amino acids.

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The numbers that balance the following equation: 4NaCl + 2SO2 + H2O + O2 → Na2SO4 + 4HCl is 2, 1, 2.

BALANCING EQUATION:

4NaCl + 2SO2 + 2H2O + O2 → 2Na2SO4 + 4HCl

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Answer:212

Explanation:yeah

Outgoing shortwave radiation depends on factors such as the angle of the Sun's rays, albedo, cloud cover, and atmospheric gases. These factors collectively determine the amount of solar radiation that is reflected, absorbed, and re-emitted by the Earth's surface, influencing the outgoing shortwave radiation.

Outgoing shortwave radiation depends on several factors. Firstly, it is influenced by the solar radiation received by the Earth's surface. The amount of solar radiation reaching the Earth is determined by the angle of the Sun's rays, which changes throughout the day and across different seasons. This means that outgoing shortwave radiation will vary depending on the time of day and the time of year.

Another important factor is the albedo, which refers to the reflectivity of different surfaces on Earth. Surfaces with high albedo, such as ice and snow, reflect more solar radiation back into space, resulting in lower outgoing shortwave radiation. Conversely, surfaces with low albedo, such as dark soil and vegetation, absorb more solar radiation, leading to higher outgoing shortwave radiation.

The presence of clouds also plays a role in outgoing shortwave radiation. Clouds can either reflect incoming solar radiation back into space or absorb and re-emit it as longwave radiation. The type and thickness of clouds, as well as their altitude, can affect the amount of outgoing shortwave radiation.

Finally, atmospheric gases such as water vapor, carbon dioxide, and ozone can also influence outgoing shortwave radiation. These gases absorb and re-emit some of the incoming solar radiation, impacting the amount of radiation that escapes back into space.

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Answer:

the answer is 9.6853

Explanation:

I got it right

Answer:

steam

Explanation:

steam because of its volume and condensation

Answer:

the answer would be to your problem here is 90g

Explanation:

Answer:

The three methods used to treat water are

Explanation:

These methods used include physical processes, biological processes such as slow sand filters or biologically active carbon; chemical processes such as flocculation and chlorination; and the use of electromagnetic radiation such as ultraviolet light.

Explanation:

Electronic configuration -

1s² 2s² 2p⁶ 3s² 3p²

Atomic number = 14

Element = Silicon (Si)

The volume (in liters) of ethyne, C₂H₂ needed to react with 66 liters of oxygen, O₂ at standard temperature and presure, STP is 26.4 liters

The volume of ethyne, C₂H₂ needed to react with 66 liters of oxygen, O₂  at STP can be obtained as illustrated below:

2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g)

Since the reaction occured at standard temperature and presusre, STP, we can say that:

5 liters of O₂ reacted with 2 liters of C₂H₂

Therefore

66 liters of O₂ will react = (66 liters × 2 liters) / 5 liters = 26.4 liters of C₂H₂

Thus, from the above illustration, we can conclude that the volume of C₂H₂ needed for the reaction is 26.4 liters

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Answer:

Explanation: 26.4

2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g)

5 liters of O₂ reacted with 2 liters of C₂H₂

Therefore

66 liters of O₂ will react = (66 liters × 2 liters) / 5 liters = 26.4 liters of C₂H₂

We can conclude that the volume of C₂H₂ needed for the reaction is 26.4 liters

Metallic elements exist in a solid-state and they are opaque, have a shiny surface, good conductors of electricity and heat, malleable and ductile, and are dense. The structure of metals is formed by atoms that are held together by metallic bonds. These atoms have loosely bound valence electrons that can be shared between the neighboring atoms.

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