organize the following elements in order of increasing atomic radius (Ge, He, Sr, O, Ba)

Answer:

FLUORINE

Explanation:

It has 5 electrons In Its 2P shell!

Answer:

Fluorine

Explanation:

because it has a score of 4.0 which is the highest possible

Answer:

Your ANSWER:

A.stir the hot cocoa

Explanation:

stirring helps particals dissolve faster

The neutralization reaction is:

O2H 3PO4 + 3Ba(OH) 2 → 6H 2O+ Ba(PO 4)2

A neutralization reaction is a type of chemical reaction that occurs between an acid and a base, resulting in the formation of a salt and water.

In this reaction, the hydrogen ions (H+) from the acid react with the hydroxide ions (OH-) from the base to form water (H2O), which neutralizes the acidic and basic properties of the reactants. The remaining ions then combine to form a salt.

The general equation for a neutralization reaction is:

Acid + Base → Salt + Water

For this question, the chosen answer is the neutralization reaction  because an acid (H3PO4) and a base (Ba(OH)2) react to form water and a salt (Ba(PO4)2).

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Answer:

The two factors that determine whether a reaction is spontaneous are:

Enthalpy: When the reaction gives off energy, then the reaction is said to be spontaneous.

Entropy: It is the measure of randomness in a system. As the randomness of the reaction increases, the spontaneous is the reaction.

That's it

Hope's It's Help

Answer: Theft starts at c4 down

impression starts L14 left

investigator starts at m3

criminalistics starts at o1

pathologists starts at m14

toxicology b11

fingerprints c2

court n13

witness n8

microscope j13

edmond locard m1

expertise m4

murder j13

cant find other ones rn

Explanation:

Answer: 2 moles

Explanation:

AM of Al 27

Sun has electromagnetic energy that travels just like waves. Yes, light from the sun can change the nail polish color.

Light waves are the form of electromagnetic waves that travels in a vacuum and are produced due to charge. Light waves include ultraviolet (UV) rays that are not visible to human eyes but can cause a change in coloration.

The energy present in the light is absorbed by the nail polish which causes a reversible physical change in the color of the paint causing the color to vary. When the light source is removed the color changes back to the original.

Therefore, sunlight can change the color of nail polish.

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Answer: −182.96 °C; −297.33 °F

I think

Answer:

162374 farenheit

Explanation:

You need to convert the 90.19k to Farenheit.

You can even use google, but if you need the formula it's (0°C × 9/5) + 32 = 32°F

Answer:

It s a pure substance.

Explanation:

Can only be separated into its different elements by chemical means because it is connected by a chemical bond.

False. For circuit analysis, equivalent resistors are not physically swapped in the lab, but rather they are mathematically represented as a single, simplified equivalent resistor in order to make the analysis of the circuit easier.

The process of replacing multiple resistors with an equivalent resistor is called resistor reduction, and is done to simplify the analysis of the circuit, allowing the circuit designer to quickly and easily determine the total resistance and other important parameters of the circuit. This reduction is performed mathematically and does not involve physically swapping resistors in the lab.

Circuit analysis is a method to determine the behavior and response of an electrical circuit. When analyzing a complex circuit made up of many resistors, it is often helpful to simplify the circuit by replacing multiple resistors with an equivalent resistor. This equivalent resistor will have the same electrical characteristics as the combination of resistors it is replacing, such as resistance and voltage drop. This simplification makes it easier to analyze the circuit and determine important information such as current and voltage levels. The equivalent resistor is a mathematical concept and is not physically swapped in the laboratory. Instead, the analysis is performed using mathematical equations to determine the electrical characteristics of the equivalent resistor and its impact on the overall circuit behavior.

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Answer:

jsjdhiefjcbjajrjrjwbxjuq ueei1udj

221 grams is the mass of oxygen gas is consumed in a reaction that produces 4.60 mol sulfur dioxide

The given question is incomplete as it lacks a chemical reaction, however, the chemical reaction is :

Hydrogen sulfide gas burns in oxygen to produce sulfur dioxide and water vapor.

\(2H_2S(g)+3O_2(g)\rightarrow 2SO_2(g)+2H_2O(g)\)

Explanation:

Given:

The chemical reaction:

\(2H_2S(g)+3O_2(g)\rightarrow 2SO_2(g)+2H_2O(g)\)

To find:

Mass of oxygen gas consumed in a reaction to produce 4.60 moles of sulfur dioxide gas.

Solution:

The moles of sulfur dioxide gas produced =4.60 mol

\(2H_2S(g)+3O_2(g)\rightarrow 2SO_2(g)+2H_2O(g)\)

According to a chemical reaction, 2 moles sulfur dioxide is obtained from 3 moles of oxygen gas, then 4.60 moles of sulfur dioxide will be obtained from:

\(=\frac{3}{2}\times 4.60mol=6.9\text{ mol of }O_2\)

Mass of 6.9 moles of oxygen gas:

\(6.9 mol\times 31.998 g/mol=220.79 g\approx 221 g\)

221 grams is the mass of oxygen gas is consumed in a reaction that produces 4.60 mol sulfur dioxide.

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The reaction is an example of a decomposition reaction in which Zinc Carbonate is decomposed into two products that is Zinc oxide and Carbon dioxide.

Zinc carbonate is an odorless and white sand-like solid. It is insoluble in water and is used in cosmetics, ointments, porcelain, pottery and rubber.

When Zinc carbonate is heated, it produces Zinc oxide and Carbon dioxide. When white powdery solid Zinc carbonate is heated, it turns yellow.

Carbon dioxide gas evolved is confirmed by passing the gas over lime water and it turns the lime water milky.

The reaction is:  ZnCO3 --> ZnO + CO2

The reaction is an example of a decomposition reaction in which Zinc Carbonate is decomposed into two products that is Zinc oxide and Carbon dioxide.

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In this question, 5.60 moles of gas were added to the container.

The number of moles of gas added to the container can be calculated using the ideal gas law. The ideal gas law equation is PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

First, we need to convert the temperatures from Celsius to Kelvin. To convert Celsius to Kelvin, we add 273.15. So, 22°C + 273.15 = 295.15 K and 40°C + 273.15 = 313.15 K.

Next, we can use the ideal gas law for the initial and final conditions of the gas sample:

Initial: P₁V₁ = n₁RT₁

Final: P₂V₂ = n₂RT₂

Since the volume is constant, V₁ = V₂. The gas constant R is constant as well.

Using these equations, we can set up a ratio to find the number of moles of gas added:

(P₂/P₁) = (n₂/n₁) * (T₂/T₁)

Plugging in the given values:

800 torr / 400 torr = (n₂ / 2.80 moles) * (313.15 K / 295.15 K)

Simplifying the equation, we find that n₂ = 5.60 moles. Therefore, 5.60 moles of gas were added to the container.

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The area of science that studies the heat exchange in a chemical reaction is called thermochemistry.

Thermochemistry is a branch of physical chemistry that focuses on the relationships between chemical reactions and energy changes, particularly heat and temperature.

Thermochemistry investigates the transfer of energy as heat during chemical reactions and the measurement and calculation of heat changes associated with these reactions. It explores concepts such as enthalpy, heat capacity, heat of reaction, and calorimetry.

By studying thermochemistry, scientists gain insights into the energetics of chemical reactions and can determine the heat flow involved in various processes. This knowledge is crucial for understanding and predicting the feasibility, efficiency, and conditions of chemical reactions. Thermochemical data is also vital in industries such as energy production, pharmaceuticals, and materials science.

Thermochemistry plays a significant role in the design and optimization of chemical processes, as well as in the development of energy-efficient and environmentally friendly reactions. It provides a fundamental understanding of energy changes and their impact on chemical systems, allowing for the exploration and utilization of heat exchange in a chemical reaction.

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The relation between amino acids and polypeptide is that amino acid is monomer and polypeptide is polymer.

A member of the class of organic molecules known as amino acids, each of which is made up of a special organic R group, an acidic carboxyl group (COOH), a basic amino group (NH2), and an amino group (NH2) (or side chain). Alpha-amino [alpha-amino] carboxylic acid is the colloquial term for an amino acid. Every molecule has a central carbon (C), also known as the -carbon, that is attached to an amino group and a carboxyl group. Typically, a hydrogen (H) atom and a R group are used to fill the final two bonds of the -carbon atom. Standard (or common) amino acids can be divided into groups according to the polarity (i.e., the distribution of electric charge) of the R group (e.g., side chain).

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The monoprotic acid in the water produces a 1.64 M solution, and the pH of the resulting solution is 2.95. We must determine the Ka of the acid.

So, let's get started. Calculate Ka using the pH value: Ka can be calculated using the given pH value by using the following formula: pH = -log10 [H+], therefore [H+] = 10 -pH.For a monoprotic acid, we can say that the [H+] concentration equals the [A-] concentration. So, at equilibrium: Ka = [H+]^2/[A-]where, [H+] is the concentration of the hydronium ion, and [A-] is the concentration of the acid.

Then, we calculate the Ka for the acid in the solution as follows:[H+] = 10^-2.95 = 6.31 x 10^-3 [M]Hence, we get the Ka of the acid as shown below: Ka = [H+]^2/[A-] = (6.31 x 10^-3)^2/(1.64 - 6.31 x 10^-3)Ka = 2.58 x 10^-4Thus, the Ka for the acid is 2.58 x 10^-4.

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Answer:

pH = 0.30

Explanation:

Hello there!

In this case, according to the given information about the acid, before we calculate the pH we must compute the final concentration of the acid after the dilution process:

\(M_2=\frac{10.00mL*5.00M}{100.00mL}=0.5M\)

Thus, since this strong acid is 100% ionized, the concentration of hydrogen ions will be also 0.5 M and therefore the pH:

\(pH=-log(0.5)\\\\pH=0.30\)

Best regards!

The ratio of carbon bond with fluorine to form a stable compound is 1:4.

All organofluorine compounds have the polar covalent bond between fluorine and carbon known as the carbon-fluorine bond. Due to its partly ionic nature, it is one of the chemical world's strongest single bonds and is also relatively short.

It is a covalent bond between a carbon atom and a fluorine atom in a molecule. It is one of the strongest single bonds found in organic chemistry due to the high electronegativity of fluorine, which attracts electrons away from the carbon atom and makes the bond very polar.

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Answer:

nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge. Since the force of attraction between nuclei and electrons increases, the size of the atoms decreases.

Explanation:

Nuclear attractive pull to the electrons results in smaller atomic radius. Two reasons that leads the size of an atom smaller by electron loss are nuclear pulling and emptying outermost orbital.

The nucleus have a net positive charge and electrons are negative in charge, thus, each electron experience a nuclear attractive pull. However, each electrons are shielded slightly from this attraction by the surrounding electrons.

The reasons which make the atomic radius smaller are the following.

Therefore, due the two reasons mentioned above, the atomic radius reduces by electron loss.

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Answer:

The proportion of carbon and oxygen is different in different samples of the gas.

Answer: C. The number of atoms of each element is the same on each side of the equation.

Explanation:

The Law of Conservation of Matter shows that it is not possible for matter to either be created nor for it to be destroyed so the number of atoms of each element on the reactant side of the equation must equal the number of atoms in each element on the product side of the equation.

This is why the following equation is incomplete:

H₂ + O₂ ⇒ H₂O

The oxygen atoms are not the same on either side.

Equation will therefor have to be balanced which will make it:

2H₂ + O₂ ⇒ 2H₂O

Notice now that atoms are the same on both sides.

Answer:oml felt

Explanation:

I'm sorry tho

Answer:

800-273-8255

Explanation:

here is the sui cide hotline number

Answer:

35.62%

Mass percent composition of K = 0.3562 x 100% Mass percent composition of K = 35.62%

Explanation:

Kinetics may be used to analyse the chemical process of the hydroxylation of crystal violet.

What response would crystal violet have?

During a reaction, the colour of the solution would progressively deteriorate or vanish if crystal violet was consumed. This is due to the fact that crystal violet is a dye used to colour solutions for visual inspection and not an actual component of the reaction.

The colour intensity will diminish until it disappears when the crystal violet is consumed or interacts with other elements in the solution. The pace of colour fading can reveal details about the kinetics of the reaction as well as the relative concentration of the components involved.

Different reactant concentrations were used in order to examine the reaction order and kinetic characteristics of the reaction between crystal violet (CV) and sodium hydroxide (NaOH). The unidentified solid substance formed under highly concentrated circumstances is also verified by the current studies. By using the pseudo rate approach, the reaction orders of CV and NaOH were found to be 1 and 1.08, respectively, with a rate constant, k, of 0.054 [(M1.08) s1]. The total reaction order was calculated using both the half-life technique and the pseudo-rate method in order to confirm the correctness of the former. By using the half-life approach, it was discovered that the total reaction order was 1.9. Based on the two methodologies examined, the total reaction order was around 2.

When high concentrations of CV (0.01-0.1 M) and NaOH (1.0 M) were administered, precipitate formation was seen. A commercial solvent called violet 9 (SV9) was utilized to compare the precipitate's spectrum to that of FTIR (Fourier transform infrared) spectroscopy. The FTIR spectra proved that the precipitate's molecular structure matched that of solvent violet 9's.

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The change in energy for an electron within a hydrogen atom that undergoes a transition from an initial energy level with principal quantum number n₁ to a final energy level with principal quantum number n₂ is \(2.179872 * 10^{-18} J\).

The change in energy for an electron within a hydrogen atom that undergoes a transition from an initial energy level with principal quantum number n₁ to a final energy level with principal quantum number n₂ is given by the formula:

\(\Delta E = -Rhc[(\frac{1}{n_2^2}) - (\frac{1}{n_1^2})]\)

Where ΔE is the change in energy, R is the Rydberg constant \((1.0973731568508 * 10^7 m^{-1})\), h is the Planck constant \((6.62607015 * 10^{-34} J*s)\), and c is the speed of light \((2.99792458 * 10^8 m/s)\).

Plugging in the values for n₁ and n₂, we can calculate the change in energy:

\(\Delta E = -Rhc[\frac{1}{4} - \frac{1}{9} ]\)

\(\Delta E = -Rhc[(-\frac{5}{36} )]\)

\(\Delta E = (\frac{5}{36} )Rhc\)

\(\Delta E = (\frac{5}{36})*(1.0973731568508 * 10^7 )*(6.62607015 * 10^{-34})*(2.99792458 * 10^8)\)

\(\Delta E = 2.179872 * 10^{-18}\) J

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The element in question is cork. Cork is a type of bark harvested from the cork oak tree and is often used in the manufacturing of wine bottle stoppers, flooring, and insulation.

However, cork has also been used in baseball bats as a way to reduce the bat's weight, and subsequently increase the batter's swing speed.There has been much debate over the use of cork in baseball bats, with some players and coaches claiming that it provides a significant increase in hitting power.

However, the use of cork is strictly prohibited in Major League Baseball (MLB) and players caught using corked bats can face suspensions and fines.To test the validity of the claim that corked bats produce more powerful hits, a study was conducted in which corked and non-corked bats were compared in terms of ball exit velocity.

The results showed that corked bats did not produce significantly higher ball exit velocities than non-corked bats. In fact, in some cases, the non-corked bats produced higher exit velocities than the corked ones.Rumors that corked bats provide a significant advantage to batters are largely unfounded.

While cork may reduce a bat's weight, which could lead to increased swing speed, it does not necessarily result in more powerful hits. The use of cork in baseball bats is not only prohibited in MLB, but also deemed unnecessary by most experts in the field.

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Answer:

sulfate and water compound, ...

Explanation:

sulfate and water compound, ...

Breaking down glucose in cellular respiration through a series of 24 enzymatic reactions offers the advantage of controlled energy release, maximizing the efficiency of ATP production. NADH and FADH₂ play crucial roles as electron carriers, facilitating the transfer of high-energy electrons to the electron transport chain for ATP synthesis.

The breakdown of glucose in cellular respiration occurs through a series of 24 enzymatic reactions rather than a single step. This multi-step process provides several benefits. First, it allows for controlled energy release. Breaking down glucose gradually in smaller steps ensures that energy is released in manageable increments, which can be efficiently harvested for ATP production. This controlled energy release optimizes the efficiency of ATP synthesis, making cellular respiration more productive.

NADH (nicotinamide adenine dinucleotide) and FADH₂ (flavin adenine dinucleotide) are important molecules in cellular respiration. They act as electron carriers, accepting high-energy electrons released during the breakdown of glucose and other fuel molecules. NADH and FADH₂ then transport these electrons to the electron transport chain, a critical step in ATP synthesis.

In the electron transport chain, the high-energy electrons from NADH and FADH₂ are passed along a series of protein complexes, releasing energy that is used to pump protons (H⁺) across a membrane. This establishes an electrochemical gradient, which drives the synthesis of ATP through a process called oxidative phosphorylation.

Overall, NADH and FADH₂ play a central role in the transfer of electrons, facilitating ATP production during cellular respiration.

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