SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He brought a special Flower Power fertilizer to see if it will help plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He places one plant in a sunny window and waters it every day with fertilized water. He places the other plant on a shelf in a closet and waters it with plain water every other day.

What did SpongeBob do wrong in this experiment? Explain.

How could SpongeBob improve his experiment?

The energy of ionization is said in consideration for the electron removal within an ion, and it depends on different factors that may assign the  value.

The general term known as the ionization energy(I.E.) is usually taken into consideration when there is a requirement for removal of an electron(e) within any of the particular kind of atom or a particular kind of ion within the condition of gas state.

This energy commonly expressed in terms eV(electron volt). To align the following kinds of atoms from the given condition that is said to be from lowest to highest it needs to be use the periodic table as it will help the atoms to align in accordance with I.E.

The general condition that is used in aligning is that in a periodic table there are 7 rows and are aligned horizontally and it is said that I.E. generally increases from the direction left towards the right direction within a particular row.

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The complete question is

What do you understand by the ionization energy and how would you align it values from lowest to highest in range of atoms?

When q and w are positive, energy flows into the system.

When atoms establish or break chemical bonds, chemical processes take place. Reactants are the substances that begin a chemical reaction, while products are the compounds that are created as a result of the reaction.

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The reaction between hydrocyanic acid solution and barium hydroxide solution is given below:

\($$2 \mathrm{HCN}(\mathrm{aq})+\mathrm{Ba}(\mathrm{OH})_2(\mathrm{aq}) \rightarrow \mathrm{Ba}(\mathrm{CN})_2(\mathrm{aq})+2 \mathrm{H}_2 \mathrm{O}$$\)

The acid dissociation constant of \($\mathrm{HCN}$\) is, \($\mathrm{K}_{\mathrm{a}}=6.2 \times 10^{-10}$\)

It is given that \(25.4 \mathrm{~mL}$ of $0.461 \mathrm{M}$\) aqueous hydrocyanic acid solution is titrated against \($0.462 \mathrm{M}$\) aqueous barium hydroxide solution.

The number of moles of hydrocyanic acid is:

$$

\begin{aligned}

\(& \mathrm{n}_{\mathrm{HCN}\)}=0.0275\(\mathrm{~mL} \times\) 0.323\(\mathrm{M} \\\)

\(&=0.008825 \\\)

At the equivalence point, moles of hydrocyanic acid is equal to the number of moles of barium hydroxide. Thus, the volume of barium hydroxide needed to reach the equivalence point is:

\(\mathrm{n}_{\mathrm{HCN}}=\mathrm{n}_{\mathrm{Ba}(\mathrm{OH})_2}=0.010 \text { moles }\)

\(\mathrm{M}_{\mathrm{Ba}(\mathrm{OH})_2} \times \mathrm{V}_{\mathrm{Ba}(\mathrm{OH})_2}=0.010 \text { moles }\)

\(\mathrm{V}_{\mathrm{Ba}(\mathrm{OH})_2}=\frac{0.010 \text { moles }}{\mathrm{M}_{\mathrm{Ba}(\mathrm{OH})_2}}\)

\(=2.08 \times 10^{-5} \mathrm{~mL}\)

Thus, the total volume of the solution at the equivalence point is

\(\left(0.0275+2.08 \times 10^{-5}\right) \mathrm{L}\)

\(\approx 0.0275 \mathrm{~L}\)

And thus the molarity of barium cyanide is \($0.363 \mathrm{M}$\)

At the equivalence point, the hydrolysis of barium cyanide with the ICE table is as shown below:

\($\mathrm{CN}^{-}(\mathrm{aq})+\mathrm{H}_2 \mathrm{O}(\mathrm{aq}) \rightarrow \mathrm{HCN}(\mathrm{aq})+\mathrm{OH}^{-}(\mathrm{aq})$\)

\(\begin{array}{cccc}\mathrm{I} & 0.363 \mathrm{M} & 0 & 0 \\\mathrm{C} & -\mathrm{x} & +\mathrm{x} & +\mathrm{x} \\\mathrm{E} & (0.363-\mathrm{x}) \mathrm{M} & \mathrm{xM} & \mathrm{xM}\end{array}\)

The hydrolysis constant of water is \(\mathrm{K}_{\mathrm{b}}=10^{-14}\)

It is related to the hydrolysis constant of the conjugate base and acid as shown below:

\(\mathrm{K}_{\mathrm{w}}=\mathrm{K}_{\mathrm{a}} \times \mathrm{K}_{\mathrm{b}}\)

\(\mathrm{K}_{\mathrm{b}}=\frac{\mathrm{K}_{\mathrm{w}}}{\mathrm{K}_{\mathrm{a}}}\)

\(=\frac{10^{-14}}{6.2 \times 10^{-10}}\)

\(=0.161 \times 10^{-4}\)

The base dissociation constant is related to the hydrolysis equation as shown below:

\(\mathrm{K}_{\mathrm{b}}=\frac{\mathrm{x}^2}{(0.363-\mathrm{x})}\)

Considering \($x < < 0.363$,\)

we get,

\($$\mathrm{x}=\sqrt{0.363 \times 0.161 \times 10^{-4}}$$\)

\(=\sqrt{0.0584 \times 10^{-6}}\)

\(=2.42 \times 10^{-3}\)

Thus,

\({\left[\mathrm{OH}^{-}\right] } & =2.42 \times 10^{-3} \\\mathrm{pOH} & =-\log \left(2.42 \times 10^{-3}\right) \\& =+2.616\)

Therefore, the \($\mathrm{pH}$\) is:

\($$\begin{aligned}\mathrm{pH} & =14-2.616 \\& =11.38\end{aligned}$$\)

Thus, \($\mathrm{pH}$\) of the solution 11.38

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Answer:

Answer in picture

Explanation:

The best method for the atomization of a wet, biological metalloprotein when the atomized form of the metal is the desired target of study is E) graphite furnace.

The graphite furnace technique, also known as graphite furnace atomic absorption spectroscopy (GFAAS), is specifically designed for the analysis of trace metal concentrations in samples. It provides high sensitivity and selectivity for metal analysis. In this method, the wet sample is dried and then introduced into a graphite tube furnace, where it undergoes thermal atomization and subsequent measurement using atomic absorption spectroscopy.

The graphite furnace technique is particularly effective for studying metal atomization in biological metalloproteins as it allows for the analysis of small sample volumes and provides accurate quantification of trace metal concentrations.

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The molar mass of HCl is 36.46 g/mol, and the molar mass of H₂O is 18.02 g/mol.

What is molar mass?

Molar mass is a physical attribute of a substance that is defined as the mass of a specific substance divided by its mole quantity. It is often represented in grammes per mole (g/mol). Molar mass is used to determine the mass of a specific material based on its molar quantity, or to determine the quantity of a specific substance based on its mass.

In order to calculate the number of moles of HCl required to produce 180. g of water, we must first calculate the number of moles of H2O that are produced. Since the molar mass of H₂O is 18.02 g/mol, we can divide 180. g by 18.02 to get the number of moles produced:

180. g / 18.02 g/mol = 10.00 moles of H₂O

Now, since the reaction is 1:1 (1 mole of HCl for 1 mole of H₂O), we can simply multiply the number of moles of H₂O produced (10.00 moles) by 1 to get the number of moles of HCl required:

10.00 moles H₂O × 1 mole HCl/1 mole H₂O = 10.00 moles HCl

Therefore, in order to produce 180. g of water, 10.00 moles of HCl are required.

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Answer:

people who discover new things fyi you dont have any answer choices on there

Explanation:

there are different type of scientist

Answer:

A scientist asks questions about the world.

Explanation:

Answer:

Equilibrium over-saturated

Explanation:

In both were excessively-saturated in volume equilibrium and much more molecules would be required to see a growth in reaction rate.

So, we can say that there was no increase in reaction rate.

When alkaline hydrolysis was first invented, people were hired for various roles related to the process and implementation of this technology. Some of the jobs that emerged include Chemical engineers, Technicians and operators, Waste management specialists, Scientists and researchers.

Chemical engineers: These professionals played a crucial role in developing and optimizing the alkaline hydrolysis process. They were responsible for designing the equipment, developing the necessary chemical reactions, and ensuring the efficient operation of the system.

Technicians and operators: Skilled technicians and operators were hired to operate and maintain the alkaline hydrolysis equipment. They were trained to monitor the process parameters, handle the chemicals involved, and ensure the proper functioning of the system.

Waste management specialists: With the introduction of alkaline hydrolysis as a method for disposal of organic waste, specialized professionals in waste management were employed to oversee the proper handling and treatment of the waste materials. They were responsible for implementing safety protocols, managing waste streams, and complying with environmental regulations.

Scientists and researchers: Alkaline hydrolysis required scientific expertise for continuous improvement and innovation. Scientists and researchers were hired to study the process, analyze the results, and explore potential applications in various fields such as biofuel production and chemical synthesis.

Overall, the introduction of alkaline hydrolysis created employment opportunities for professionals in engineering, chemistry, waste management, and research, among others, as this technology gained recognition and adoption.

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By spotting gaps in the chemical elements and assuming that there are chemical elements there, Mendel was able to identify the elements.

A straightforward element that cannot be divided into smaller components or transformed into  another substance. An atom, which is made up of protons, neutrons, and electrons, is the fundamental unit of an element. An element's atoms all have the identical amount of protons. Each of the approximately 100 elements has a unique form of atom. Atoms from at minimum two or more elements are present in everything in the cosmos.

The centre of every atom is called the nucleus, which is made up of neutral neutrons and protons with positive charges. Around the nucleus are electrons, which are negative particles.

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Answer: the state or power of being reactive or the degree to which a thing is reactive.

Explanation:

Answer:

1. Endothermic

2. Exothermic

3. Exothermic

4. Endothermic

Explanation:

A P E X

Total random kinetic energy of all the molecules in one mole of hydrogen at temperature of 300 K is 3741.3 J. Speed with which a mole of hydrogen have to move so that kinetic energy of the mass is equal to the total random kinetic energy of its molecules is 7482.6 m/s

According to kinetic theory, average kinetic energy of gas molecules depends on the absolute temperature. At given temperature, molecules of all the gases have same average kinetic energy".

Kinetic energy = 3/2 * R T

= 3/2 * 8.314 * 300

= 3741.3 J

KE = 1/2 * m v²

v² =  2 KE/m

= 2* 3741.3 /1

Speed =  7482.6 m/s

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The number of air molecules in a volume of 1.00 cm3 under the conditions of the vacuum pump is 3.65 * 10-15 moles and those that would be present at the same temperature but at 1.00 atm would be 0, 04 moles

The vacuum pump is a device that extracts gas molecules from a sealed volume, to create a partial vacuum, and is frequently used in industry, especially food.

To perform both calculations considering air as an ideal gas, the equation PV = nrt is used, in which

P = Pressure

V = Volume

n = number of moles

R = Gas constant

t = temperature

Data

t = 300K

V = 1L

P = 9.00 * 10-14 atm

R = 0.082 L Atm / mol °K .

n = ?

PV = nrt

n = PV/rt

n = 9.00 * 10-14. 1 / 0.082 . 300

n = 9.00 * 10-14 / 24.6

n = 3.65 * 10-15 moles

Data

t = 300K

V = 1L

P = 1 atm

R = 0.082 L Atm / mol °K .

n = ?

PV = nrt

n = PV/rt

n=1. 1 / 0.082 . 300

n = 1 / 24.6

n = 0.04 mole

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Moles of Water

Moles = mass ÷ molar mass

          = 56.00 g ÷ 18.015 g/mol

          = 3.1085 mol

Molecules of Water

Number of molecules = moles × Avogadro's Number

                                    =  3.1085 mol × (6.022 × 10²³ molecules/mol)

                                    =  1.872 × 10²⁴ molecules

Note: We could do all this calculation in one step but I separated it to make it clearer.

To form a charge of q1 = -9 nC, approximately 5.61 x 10^10 electrons are needed.  To determine the number of electrons needed to form a charge of q1 = -9 nC, we can use the elementary charge (e) as a reference.

The elementary charge is the charge carried by a single electron, and its value is approximately 1.602 x 10^-19 C.

The number of electrons (n) can be calculated using the formula:

n = q1 / e

Substituting the values, we have:

n = -9 nC / (1.602 x 10^-19 C)

Calculating the result:

n ≈ -5.61 x 10^10 electrons

Therefore, approximately 5.61 x 10^10 electrons are needed to form a charge of q1 = -9 nC.

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Answer:

6. 53 is the answer. Hope this helps:)

The number of d electrons that an atom of atomic number 53 possess are 20. Thus, the correct option for this question is 5.

An atomic number may be defined as the number of protons in the nucleus of an atom that significantly represents the characteristic of a chemical element and determines its specific place in the modern periodic table.

According to the modern periodic table, an element that has an atomic number of 53 is known as Iodine. Its electronic configuration is \(1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^1^0, 4p^6, 5s^2, 4d^1^0, 5p^5\). Thus, according to this electronic configuration, the total number of d electrons are \(3d^1^0 and 4d^1^0\).

Therefore, the number of d electrons that an atom of atomic number 53 possess are 20. Thus, the correct option for this question is 5.

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The correct matching of the various energy forms are as follows:

Energy is defined as the ability to do work.

There are various forms of energy such as:

The correct matching  of the various energy forms are as follows:

The various forms of energy can be interconverted from one form to another.

In conclusion, energy is the ability to do work and it exists in various forms which can be interconverted.

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The Mo and W diatoms symbolize the greatest bond order attained between two atoms in the periodic table, which is six.

Bond order is the number of electron bonding pairs that exist between two atoms. A quadruple bond is a form of chemical relationship that involves eight electrons between two atoms. This bond is a variation on the more common double and triple bonds.

The number of bonds that an atom may make is frequently predicted by the number of electrons required to achieve an octet (eight valence electrons); this is notably true .

When three pairs of electrons come together, they create a triple bond.

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Answer:

3 things

Explanation:

something to keep it insulated and stay warm, a container, a lid that can open and close.

Answer:

chemical composition

The  X element in the compound = titanium

The chlorine has the molecular weight = 35.5 g/mol

In the compound of Xcl4 , there are four atoms of chlorine molecules who occupy 0.75 of total weight.

The weight of all 4 chlorine atoms = 4×35 = 140 g/mol

Now the total weight of the all chlorine atoms in the compound = 140/0.75

Now the total weight of  the compound = 186.66≈ 187

The weight of X element = 187 - 140 = 47 g /mol

if we match any element from the periodic table , so can find that the titanium has the molecular weight roughly equal to 47.

So The compound is TiCl4 whose molecular weight is 140 g/mol.

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Answer:

A.  Engineers come up with scientific questions when they are developing their design, and scientists do research to answer them.

M_1V_1 = M_2V_2 Given ,Desired pH = 5.0pKa of acetic acid = 4.76Desired molarity = 0.1 M Volume = 600 ml are equal

Concentration of acid = [acid]Concentration of base = [base][base]/[acid] = 2.3[acid] = x[base] = 2.3xConcentration of acid and base should to 0.1 MM_1V_1 = M_2V_2M_1 = 0.1M of acetic acid or 0.1M sodium acetate (stock solution)V_1 = what to solve forM_2 = the value for [acid] or [base] solved in 4bV_2 = the desired buffer volume (600mL)Now, using the Henderson-Hasselbalch equation, we can calculate the ratio of base to acid:[base]/[acid] = 10^(pH - pKa) = 10^(5.0 - 4.76) = 1.67Solving for x and [base] using the equation x + 2.3x = 0.1, we get:x = [acid] = 0.026 M[base] = 2.3x = 0.060 MTo calculate

the volumes of acetic acid and sodium acetate required, we can use the formula:Molarity × Volume = Mass ÷ Molecular weight × 1000where 1000 is to convert the mass to milliliters.Mass of sodium acetate = Molecular weight × Volume × Molarity= 82.03 g/mol × 600 ml × 0.060 mol/L= 295.31 gMass of acetic acid = Molecular weight × Volume × Molarity= 60.05 g/mol × 600 ml × 0.026 mol/L= 95.52 gNow we know the masses of sodium acetate and acetic acid required. To make the buffer, we dissolve these masses in water and then add enough water to make the final volume 600 ml.

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Sound waves are most effective when traveling through solids. Less effective when in liquids and least effective in air.

It is true that foundations of College Chemistry 12th edition answers odd problems. The 12th edition of Foundations of College Chemistry does indeed have odd-numbered problem answers included in the back of the textbook. However, it is important to note that these answers are only available in the instructor's edition of the book.

If you are a student who is looking for answers to the odd-numbered problems in this textbook, you will not be able to find them in the standard edition of the book. The publisher of the book, Pearson, does not make these answers available to students. This is because they want students to work through the problems themselves and not rely on answer keys to do their homework.

However, if you are an instructor who is using this textbook in your course, you can access the answer keys to the odd-numbered problems in the instructor's edition of the book. This will allow you to check your students' work and give them feedback on their progress.

In summary, the answer to the question "T/F: Foundations of College Chemistry 12th edition answers odd problems" is technically true, but only for instructors who have access to the instructor's edition of the book. Students will not be able to find these answers in their own copies of the textbook.

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