What is the pH of 0.51 M Ca(CH3COO)2 solution?
a. 11.1
b. 9.22
c. 9.38
d. 10.7
e. 4.77

Answer Liquid water

Explanation: I'm sure its that answer

a. The 2C capacitor carries twice the charge of the other capacitor is false.

b. The charge across each capacitor is the same. The energy stored by each capacitor is the same is true.

c. The voltage across each capacitor is the same is false.

a. The 2C capacitor carries twice the charge of the other capacitor is false because the capacitors are connected in series, so the charge on each capacitor will be the same.

b. The charge on each capacitor is the same because they are connected in series. The energy stored by each capacitor is not the same because the energy stored by a capacitor is proportional to its capacitance, with the larger capacitor storing more energy.

c. The voltage across each capacitor is not the same because the capacitors are connected in series. The total voltage across both capacitors is equal to the voltage of the battery, but the voltage across each individual capacitor will be different, with the larger capacitor having a lower voltage across it.

Learn more about capacitors: https://brainly.com/question/17176550

#SPJ11

The pH value is the negative log of H⁺ ions. The pH value of the KBrO solution is 11.3.

The pH value is used to calculate the strongness of acid and base. The value of pH is from 0 to 14.

Let the following equations will be

KOH + HBrO → KBrO + H₂O

The salt, when dissolved in H₂O, produces an alkaline solution.

Since OH⁻ is produced, this is a Kb problem.

BrO⁻ + H₂O → HBrO + OH⁻

Kb = [HBrO][OH⁻]/[BrO⁻] = (x)(x)/(0.800 -x) = 5.0 × 10⁻⁶

Since Kb is small compared to 0.800, we can neglect the x-term to simplify the calculation.

x² / 0.800 = 5 × 10⁻⁶

             x = 2 × 10⁻³

Then the pH value will be

pOH = -log[OH⁻] = -log (2.0 × 10⁻³) = 2.69

pH + pOH = 14

          pH = 14 - pOH

          pH = 14 - 2.69

          pH = 11.3

Learn more about  pH value,here:

https://brainly.com/question/28580519

#SPJ1

Answer:The decay decomposes dead organisms and creates fertile soil.

Explanation:it helps to digest food, and to recycle materials in our environment.

The best metal to use for coating iron to prevent it from rusting is zinc. It also forms a protective oxide layer on its surface, which provides an additional barrier against rusting.

Zinc is a very reactive metal and can form an oxide layer on the surface of iron when exposed to the air, which acts as a barrier that prevents oxygen and moisture from reaching the iron and causing corrosion. This oxide layer is very thin and very hard, making it an excellent protective coating. Zinc is also relatively inexpensive compared to other metals, making it an attractive choice for protecting iron from rusting. Zinc has a higher electronegativity than iron, which means that it will be more likely to attract oxygen and water molecules away from the iron surface, thus preventing corrosion.

To learn more about iron click here https://brainly.com/question/30570319

#SPJ4

Answer:

Ground state electronic configuration of nitrogen atom can be represented by 1, 4 only. All the unpaired electrons have spins aligned in the same direction only.

Explanation:

Total time of the archeological sample is 5730×3 or 17190 years.

Civilization describes a complex way of life that came about as people by the  began to develop networks of urban of settlements. The earliest and civilizations developed between 4000 and 3000 B.C.E., when it is  the rise of agriculture and trade allowed people to have surplus of the food and economic stability.

The half life of a decaying radioactive element is the time taken for the sample of atom to decay to 50 percent of the original mass

Here 12.5 percent of sample remains

Means first half life to =50 percent

Then second half life to= 25 percent

Then third half life to= 12.5 percent

So three half life taken

Here carbon 14 half life period is 5730 years

So total time of the archeological sample is 5730×3 or 17190 years

To know more about civilization click-

https://brainly.com/question/13403112

#SPJ1

The compound's mole ratio in a laboratory setup is 3125.12 g/mol, according to the statement.

Water that is completely free of ions is said to be pure. This could conduct electricity as a result. The inclusion of ions in the mixture allows the solution to carry an electric current when other substances, such as ionic compounds, are dissolved in water.

Osmotic pressure is given by;

π = C * R * T

∵ 760 mmHg = 1 atm

10.3 mmHg = 1 * 12.2/760 atm

= 0.016 atm

π = no. of moles * R * T/volume (L)

π = Weight (g) * R * T / Molar mass * V (L)

0.016 atm = 2.494 * 0.082 L atm K⁻¹ mol⁻¹ * 298 K/ M.W * 195 * 10⁻³

M.W = 3125.12 g/mol

Consequently, the compound's molar mass is 3125.12 g/mol.

To know more about Nonelectrolyte visit:

https://brainly.com/question/29771118

#SPJ1

To calculate the number of grams of HBr in 3.50 L of a 0.500 M solution, we need to use the formula:

moles of solute = concentration x volume

Once we know the moles of HBr in the solution, we can convert it to grams using the molar mass of HBr.

The molar mass of HBr is approximately 80.91 g/mol.

Here are the calculations:

moles of HBr = concentration x volume

moles of HBr = 0.500 mol/L x 3.50 L

moles of HBr = 1.75 mol

mass of HBr = moles of HBr x molar mass of HBr

mass of HBr = 1.75 mol x 80.91 g/mol

mass of HBr = 141.4 g

Therefore, there are 141.4 grams of HBr dissolved in 3.50 L of a 0.500 M solution.

First, we have to remember the law of conservation of matter:

"The matter can not be created nor destroyed. It can only be transformed".

Then, the answer, in theory, has to be 11.0 g, that is the addition of 5.0 g and 6.0 g.

Answer:

propa-1-nol

Explanation:

easy clapp

When two amino acid monomers are positioned so that the carboxyl group of one is adjacent to the amino group of the other, they can be joined through a reaction.

It is True.

Amino acid molecules make up proteins. Proteins and amino acids are essential to life. After proteins have been digested or broken down, amino acids are still present. To maintain the body, the human body makes proteins from amino acids: Prepare food.

Taking a supplement containing essential amino acids is wonderful because you can do so anytime you choose. While some athletes prefer to take it with meals or a protein shake, others prefer to take it on an empty stomach in between meals.

To learn more about amino acid from the given link:

brainly.com/question/14583479

#SPJ4

Answer:

32

Explanation:

Answer:

Because Argon is a inert gas

Explanation:

Inert gases don't take place in any experiments

Answer:

Below.

Explanation:

The sodium reacts strongly with the chlorine to form NaCl and the heat of reaction continues the brightness, whereas it does not react with the inert gas  argon and soon cools down.

Answer:

too many greenhouse gases can cause the temperature to increase out of control. ... The increased greenhouse effect is causing changes in our planet that can affect our lives. The major Greenhouse Gas, carbon dioxide, emitted naturally and by the burning of fossil fuels, stays in the atmosphere a long

Effects: By increasing the concentration of greenhouse gases in the atmosphere, we’re amplifying the planet’s natural greenhouse effect and turning up the dial on global warming.

The atmosphere of the Earth may begin to trap more and more heat if these greenhouse gases are present in excess. Earth warms as a result of this.

A greenhouse gas is a gas that produces the greenhouse effect by both absorbing and emitting radiant energy at thermal wavelengths that are infrared. The five main greenhouse gases in the atmosphere of Earth are ozone, carbon dioxide, methane, and water vapour.

Carbon dioxide, methane, nitrous oxides, and water vapour are examples of greenhouse gases. (A "feedback" is the term used to describe water vapor, which reacts chemically or physically to changes in temperature.) Scientists have found that the warming effect of carbon dioxide contributes to the stabilisation of Earth's atmosphere.

Thus, the atmosphere of the Earth may begin to trap more and more heat if these greenhouse gases are present in excess. Earth warms as a result of this.

Learn more about Greenhouse gases here:

https://brainly.com/question/14131369

#SPJ2

Answer:

its ez

Explanation:

f=ma

The correct answer about element with the generic valence electron configuration ns2(n-1)d6:

b) 3+ (correct)

e) 2+ (correct)

An element with the generic valence electron configuration ns2(n-1)d6 commonly forms 2+ and 3+ ions. The valence electron configuration of an element determines its chemical properties, including the types of ions it can form.

In the case of an element with the configuration ns2(n-1)d6, the most stable ions are those that have a filled or half-filled d subshell. This can be achieved by removing two or three electrons from the valence shell, resulting in 2+ and 3+ ions, respectively.

Therefore, the correct answers are: a) 1+ (incorrect) b) 3+ (correct) c) 5+ (incorrect) d) 4+ (incorrect) e) 2+ (correct)

Learn more about valence electron at

https://brainly.com/question/28977387

#SPJ11

1. Procathepsin B is a lysosomal protease that is first translated as a proenzyme. On autocleavage, it is fully activated. Procathepsin B is a. a zymogen b. in the T state after autocleavage Ocan allosteric enzyme Od. Inactive at low pH

Answer: Procathepsin B is a zymogen.

Explanation: A zymogen is an inactive enzyme precursor that becomes active upon a biochemical modification such as autocleavage.

2. Trypsin, chymotrypsin, and elastase are all serine proteases that cleave after different amino acids. What is responsible for substrate specificity?

Answer: The substrate binding pockets accommodate different amino acids.

Explanation: Each protease has a unique substrate binding pocket that specifically recognizes and binds to certain amino acids, leading to substrate specificity.

3. Which amino acid is NOT a target for kinases?

Answer: Asp.

Explanation: Kinases primarily target the amino acids serine (Ser), threonine (Thr), and tyrosine (Tyr) for phosphorylation. Aspartic acid (Asp) is not a typical target for kinases.

4. Which of the following is best described as a prosthetic group?

Answer: Zn2+.

Explanation: A prosthetic group is a non-polypeptide unit tightly and permanently attached to a protein and required for its biological activity. Zn2+ is an example of a prosthetic group, as it is a metal ion that plays a crucial role in the function of many enzymes.

to know more about proteases refer here:

https://brainly.com/question/19053549#

#SPJ11

There are the presence of atoms on eight corners of the face centered cubic lattice.

Void spaces are called as the gaps that lie within certain constituent particles. These void spaces are highly packed and they can be packed in 1D, 2D, or 3D. Such complexes are seen in many complexes such as coordination complexes. The face-centered cubic lattice which is called FCC is described as the arrangement in which there is an arrangement of atoms at corners as well as at the center of cell's each cube face. There is the presence of four atoms in one unit cell in such lattices. This is a cube with an atom on each corner and each face. It has atoms at each corner of the cube and six atoms at each face of the cube.

a= 5.01°A on each side.

To learn more about  face-centered cubic lattice

https://brainly.com/question/14927070

#SPJ4

The complete question is,

In modeling solid-state structures, atoms and ions are most often modeled as spheres. A structure build using spheres will have some empty, or void, space in it. A measure of void space in a particular structure is the packing efficiency, defined as the volume occupied by the spheres divided by the total volume of the structure.

Given that a solid crystallizes in a face centered cubic structure that is 5.01 A on each side.

How many total atoms are there in each unit cell?

Water and alcohol has no colour. Water has no smell but alcohol smell like musty. Salt more dissolve in water as compared to alcohol.

The water is colourless as well as odorless means it has no smell. Water can dissolve salt because the positive ion of water molecules attracts the negative chloride ions and the negative ion of water molecules attracts the positive sodium ions while on the other hand, the alcohol is colourless means it has no colour. The smell of alcohol is musty and sharp. Salt dissolves less in alcohol, because alcohol molecules have less ions as compared to water. Alcohol is non-polar like oil and salt is polar so it does not dissolve or very little in alcohol.

So we can conclude that Water and alcohol has no colour. Water has no smell but alcohol smell like musty. Salt more dissolve in water as compared to alcohol.

Learn more about alcohol here: https://brainly.com/question/947751

#SPJ1

Answer:

D

Explanation:

why i say that is because take for example a volcano, when you make a model, you'll see what takes place in a real eruption but in real life the lava would burn things in its path, the model volcano may not. That's just an example

Answer:

D

Explanation:

I got it right on study island

Answer:

i miss you

Explanation:

Deprotonation of phenol by NaOHPhenol is a weak acid with a pKa value of 10, so it is not very acidic but it can be deprotonated with a strong base like sodium hydroxide (NaOH). The mechanism for this reaction is a simple acid-base reaction where NaOH acts as a base and removes the proton (H+) from phenol.

The curved arrow mechanism is shown below:Here, the Na+ ion comes in and removes the H+ ion from the O-H bond in phenol and forms water as a by-product. The major organic product is phenoxide ion (C6H5O−) which is formed after the deprotonation reaction.SN2 reaction of phenoxide with chloroethane Phenoxide ion is a good nucleophile because it has a negative charge on the oxygen atom which is able to attack the positively charged carbon atom in chloroethane. The mechanism for this reaction is a nucleophilic substitution (SN2) reaction where the phenoxide ion acts as a nucleophile and replaces the chloride ion in chloroethane. The curved arrow mechanism is shown below:Here, the phenoxide ion attacks the carbon atom in chloroethane, and the chloride ion leaves as a leaving group. The major organic product is ethyl phenyl ether (C6H5OC2H5) which is formed after the SN2 reaction.

For more information on Deprotonation visit:

brainly.com/question/30706409

#SPJ11

Explanation:

Climate, including temperature, humidity, air pressure, wind, precipitation, atmospheric composition, and many other meteorological elements over a long period of time and a specific area-based comprehensive summary description based on statistical data; in addition to the "average" of the weather, also includes the weather changes and extreme situations, as well as the occurrence of abnormal situations. Compared to climate, weather refers to the real-time status of these meteorological elements over the past two weeks

Answer:

What Is Climate Science? Climate in a narrow sense is usually defined as the “average weather,” or more rigorously, as the statistical description in terms of the mean and variability of relevant quantities over a period ranging from months to thousands or millions of years.

Answer:

claim

Explanation:

CLAIM: The newt population became more poisonous because the snakes in this environment caused poison to be an adaptive trait, and Poison Level 10 is the most common because the newts with this trait were able to live longer and reproduce more than other newts.

Answer:

A. Show that the total of the masses of the starting substances equals the mass of the mixture.

Explanation:

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

In a similar way if we have mixture of sugar and sand the total weight of mixture is equal to the weight of reactants.

sand + sugar + water    → mixture

     10g+5g+20 g           =   35 g

Answer:

true

Explanation:

all cells will have plasma membranes