How can we increase a pulley's output force?

The molarity of a 97.62 (m/m) % acetic acid solution given that the solution density is 1.05 g/ml is 17.5M.

Reason:

Glacial acetic acid is 100% acetic acid. The MW of acetic acid is 60. The density of acetic acid (100%) is 1.05. So in 1 L we have 1.05 Kg. The number of moles of acetic acid is then 1050 g divided by 60 = 17.5 mol. So the molarity is 17.5 mold/L or 17.5 M.

Learn more about Acetic Acid Solution:

https://brainly.com/question/16737443

#SPJ4

The frequency of this light in Hz is 3.5×10¹⁴

So, the correct answer is A.

The frequency of a certain kind of light with a wavelength of 850 nm can be determined using the formula f=c/λ, where f is the frequency, c is the speed of light and λ is the wavelength.

Substituting the given values, we get f = (2.998×10⁸ m/s)/(850×10⁻⁹m) = 3.53×10¹⁴ Hz.

Therefore, the correct answer is option a, 3.5×10¹⁴ Hz.

It is important to note that the speed of light is a constant value and is typically denoted by the letter "c".

The wavelength and frequency of electromagnetic radiation are inversely proportional, meaning that as the wavelength decreases, the frequency increases. This relationship is known as the wave-particle duality of light and is a fundamental concept in physics.

Learn more about wavelength at

https://brainly.com/question/28457610

#SPJ11

Answer:

seven

Explanation:

There are major, minor and micro tectonic plates. There are seven major plates: African, Antarctic, Eurasian, Indo-Australian, North American, Pacific and South American. The Hawaiian Islands were created by the Pacific Plate, which is the world's largest plate at 39,768,522 square miles.

Answer:

I think its B im not sure

but i hope this helps

When two or more compounds combine to create a new substance that cannot be broken down into its constituent parts, a chemical reaction takes place and they are typically irreversible barring additional chemical reactions.

Chemical synthesis, or chemical breaking into two or more than two separate productss, occurs when one material reacts with another to create a new substance. These processes are designated to as chemical reactions.

Exothermic processes are the ones that generate heat while endothermic reactions are referred to as those that may require heat in order to start the process. The science of chemistry places a lot of emphasis on comprehending chemical changes in the participating substances.

Breaking chemical bonds between reactant molecules (particles) or substances and creating new bonds between atoms in product particles are two aspects of chemical reactions (molecules).The number of atoms before and after the chemical change is the same but the number of molecules will change.

Find more about substance:-

brainly.com/question/29762834

#SPJ4

To calculate the pH of an unbuffered 0.010 M acetic acid solution, we first need to find the concentration of H+ ions using the Ka expression: Ka = [H+][A-]/[HA]. The Ka of acetic acid is 1.8 x 10^-5. In this case, the initial concentration of acetic acid ([HA]) is 0.010 M, and we assume the change in H+ and A- concentrations is 'x.' The equation becomes:

1.8 x 10^-5 = (x)(x)/(0.010 - x)

Solving for 'x' gives the concentration of H+ ions, and then we can find the pH using the formula pH = -log10[H+].

For the buffered acetic acid solution with 0.004 M H+ added, the pH won't change significantly due to the buffer capacity. The pH will remain close to the pKa of the acetic acid, which is -log10(1.8 x 10^-5).

For the unbuffered acetic acid solution with 0.004 M H+ added, we need to account for the additional H+ ions in the pH calculation, so the [H+] will be the sum of the ions from the acetic acid dissociation and the added H+ ions.

For the buffered acetic acid solution with 0.004 M OH- added, the pH will also remain close to the pKa of acetic acid due to the buffer capacity. The buffer system will neutralize the added OH- ions, preventing significant changes in the pH.

In summary, buffered solutions maintain a stable pH when small amounts of acids or bases are added, whereas unbuffered solutions experience significant pH changes.

To know more about pH value click this link-

brainly.com/question/28580519

#SPJ11

Answer:

The distance from one wave peak to the next wave peak

Explanation:

a pex

The trait of a wave that is described by its wavelength is the speed and direction that the wave is traveling. Therefore, the correct option is option A.

Energy is moved around the world in two main ways: mechanical waves as well as electromagnetic waves. Mechanical waves include air and water waves caused by sound. A disruption or vibration within matter, either solid, gas, liquid, and plasma, is what generates mechanical waves.

A medium is described as material through which waves are propagating. Sound waves are created by vibrations inside a gas, while water waves are created by vibrations inside a liquid (air). The trait of a wave that is described by its wavelength is the speed and direction that the wave is traveling.

Therefore, the correct option is option A.

To know more about wave, here:

https://brainly.com/question/14214744

#SPJ7

The molecular formula for the molecule that contains twice as much iodine as tin is \(Snl_3\). Option d is Correct.

In the given situation, it is stated that when iodine and tin are combined, two different molecules are produced. One of these molecules contains the same mass of tin as the other, but twice as much iodine. This means that the molecule with twice as much iodine must have a different number of iodine atoms than the molecule with the same mass of tin.

The molecular formula for a compound represents the number of atoms of each element in the compound, written in the order of increasing atomic mass. Therefore, the molecular formula for the molecule that contains twice as much iodine as tin must have twice as many iodine atoms as the molecule with the same mass of tin. Since the molecular formula for the molecule with the same mass of tin is Snl2, the molecular formula for the molecule that contains twice as much iodine as tin is Snl3, where n is the number of iodine atoms.  

Learn more about molecular formula visit: brainly.com/question/15960587

#SPJ4

Answer:

The north atlantic contains the warmest and saltiest water of the major oceans, the southern ocean is the coldest, the north pacific has the lowest average salinity. This density signature is locked into the water parcel when it sinks

Explanation:

i think

Oxygen has the greater kinetic energy.

An atom is a particle to be counted that uniquely defines a chemical detail. An atom consists of a central nucleus which is surrounded with the aid of one or extra negatively charged electrons. The nucleus is definitely charged and incorporates one or greater especially heavy particles known as protons and neutrons.

The time period "atom" comes from the Greek phrase for indivisible as it was as soon the idea that atoms were the smallest matters within the universe and couldn't be divided.

An atom includes a critical nucleus that is surrounded by means of one or more negatively charged electrons. The nucleus is undoubtedly charged and incorporates one or greater extraordinarily heavy particles called protons and neutrons. Atoms are the simple building blocks of the count.

Learn more about atoms here:-https://brainly.com/question/6258301

#SPJ4

Answer:

https://uach.mx/articulo/2017/10/20/biomateriales-como-implantes-en-el-cuerpo-humano/

Explanation:

utilizar este sitio web

This battery could be made stronger when we make lithium the anode and make zinc the cathode.

We know that the term electron affinity has to do with the fact the a specie is able to attract electrons. Hence, the specie that can be able to attract electrons is said to be have a greater electron affinity.

If we look at the order of the reactivity of the metals, we can see that the lithium has more tendency to exist as a positive ion as such the electron affinity of the lithium atom is very negative and it does not attract electrons.

Learn more about electron affinity:https://brainly.com/question/13646318

#SPJ1

Technician B is correct: a lead-acid battery uses sulfuric acid as the electrolyte.

Lead-acid batteries are a type of rechargeable battery commonly used in various applications, including automobiles and backup power systems. The electrolyte in a lead-acid battery consists of a diluted sulfuric acid solution.

Sulfuric acid (H2SO4) is a strong acid that provides the necessary ions for the electrochemical reactions within the battery.

It helps facilitate the flow of electrons between the battery's positive and negative terminals during the charging and discharging process.

On the other hand, Technician A's statement that a lead-acid battery uses "straight hydrocholic acid" is incorrect.

There is no such term as "hydrocholic acid" in the context of lead-acid batteries or commonly used acids. The correct electrolyte for a lead-acid battery is sulfuric acid.

Learn more about sulfuric acid

brainly.com/question/1107054

#SPJ11

Answer:

Which substances are bases? Check all that apply.

NaOH ✔️

KOH ✔️

H3BO3

NaCl

Ca(OH)2 ✔️

Fe2O3

so (a) (b) and (e)

Explanation:

Answer:

0.87 ATM

Explanation:

Answer:

A

Explanation:

Answer:

Your answer is D. All of the above

Explanation:

They are all the same answers just worded differently.

Answer:

The main difference between the Ionic and Covalent Compounds is the methodology of formation. One of the atoms in the bond shall lose an electron to initiate the bond to form an ionic compound while the Covalent compound is formed by sharing the electrons among the atoms.

Explanation:

We assume that the gas is an ideal gas in order to solve this. The ideal gas equation, which is written as PV = nRT, can then be used. (922/760) x 35.3/315 = 1 x V2 /273. V2 = 37.1L. As a result, choice D) is correct.

STP, 1 mole of gas occupies a volume of 22.4 L (molar volume). At standard temperature and pressure (STP), molar volume (Vm) is the volume occupied by one mole of a chemical element or compound. It can be calculated by dividing the molar mass (M) by the mass density (ρ). Gas volume is defined as the space occupied by gas particles at standard temperature and pressure conditions. Represented by a "V". The SI unit of volume is the liter, denoted L. One mole of gas has a volume of 24 m3 or 24000 cm3 at room temperature. This value is called the molar volume of the gas.

Learn more about pressure here-

https://brainly.com/question/12971272

#SPJ4

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \\ \)

From the question

mass = 12 g

density = 19.30 g/mL

We have

\(volume = \frac{12}{19.30} \\ = 0.62176165...\)

We have the final answer as

Hope this helps you

Answer:

kggyiuol

Explanation:

The amount of heat in joules needed to heat up 57.1 grams of ice at 0 Celsius to 66 Celsius is 34857 J.

To calculate the amount of heat in joules needed to heat up 57.1 grams of ice at 0 Celsius to 66 Celsius, we can use the following formula:

q = m x c x ΔT

Where:
q = amount of heat (in joules)
m = mass of the substance (in grams)
c = specific heat capacity of the substance (in J/g°C)
ΔT = change in temperature (in °C)

First, we need to calculate the amount of heat needed to melt the ice:

q1 = m x ΔHf

Where:
ΔHf = heat of fusion of ice (334 J/g)

q1 = 57.1 g x 334 J/g = 19039.4 J

Next, we need to calculate the amount of heat needed to raise the temperature of the water from 0°C to 66°C:

q2 = m x c x ΔT

Where:
c = specific heat capacity of water (4.184 J/g°C)

ΔT = 66°C - 0°C = 66°C

q2 = 57.1 g x 4.184 J/g°C x 66°C = 15817.6 J

Finally, we add the two amounts of heat together to get the total amount of heat needed:

q = q1 + q2
q = 19039.4 J + 15817.6 J
q = 34857 J

To learn more about water  click here

brainly.com/question/28465561

#SPJ11

Answer:

approximately 1 week

Explanation:

Hope this helps, feel free to give feedback

1 to 2 weeks but if they smell a litte more stink then usually you better get rid of them or they my make you sick. i got sick for old boiled egg from the school cafeteria a long time ago.

Explanation:

A synthetic route is a plan or strategy for creating a specific chemical compound or material in the laboratory. The choice of synthetic route depends on several factors, including the availability of starting materials, the desired product, and the desired yield and purity.

There are many different synthetic routes that can be used to carry out transformations in the laboratory. Some common synthetic routes include:

Multistep synthesis: This involves a series of chemical reactions that are linked together to produce the desired product.

Suzuki coupling: This is a reaction used to join two aryl halides together to form an arylamine.

Wittig reaction: This is a reaction used to form alkyl iodides from alkyl halides and phenyllithium.

Redox reactions: These reactions involve a transfer of electrons between reactants, resulting in the formation of new chemical bonds.

Grignard reaction: This is a reaction used to synthesize alkyl halides from alkyl halides and magnesium metal.

Learn more about synthetic visit: brainly.com/question/30002081

#SPJ4

Correct Question:

What is synthetic route to carry transformations.

The molar mass of the gas, given that 3.25 g of the gas occupied 2.56 L is 30.66g/mol

To obtain the molar mass of the gas, we shall first obtain the number of mole of the gas. This can be obtained as follow:

PV = nRT

0.95 × 2.56 = n × 0.0821 × 280

Divide both sides by (0.0821 × 280)

n = (0.95 × 2.56) / (0.0821 × 280)

n = 0.106 mole

Haven obtain the mole of the gas, we shall determine the molar mass of the gas as follow:

Molar mass = mass / mole

Molar mass of gas = 3.25 / 0.106

Molar mass of gas = 30.66g/mol

Thus, the molar mass of the gas is 30.66g/mol

Learn more about molar mass:

https://brainly.com/question/15874532

#SPJ1

Answer:

The 3rd option is correct

Explanation:

The element in group 13 and period 3 is aluminium which has the electron configuration

\(1{s}^{2} 2 {s}^{2} 2 {p}^{6} 3 {s}^{2} 3 {p}^{1} \)

or [Ne] 3s^2 3p^1

Answer: yeah i just attached a labeled picture ‍♀️

The reactant that would produce the lower mass of the carbon dioxide is oxygen.

The reactant in a chemical reaction that is totally eaten or used up first limits the amount of product that can be created. This reactant is often referred to as the limiting reagent. The stoichiometry of the reaction, which specifies the proportionate balance of reactants and products, provides the foundation for the idea of the limiting reactant.

The reactants are normally mixed together in a certain ratio in a chemical reaction in accordance with the balanced chemical equation.

Learn more about limiting reactant:https://brainly.com/question/32459503

#SPJ1

The pH of the buffered solution is 11.79 when 0.10 mol of H+ ions is added to the solution.

Buffered solution is a solution that maintains a nearly constant pH when a small amount of acid or base is added to it. It is made by mixing a weak acid (or base) and its conjugate base (or acid).Given, 0.34 M NH3 with Kb = 1.8 × 10–5and0.26 M NH4F.

When 0.10 mol of H+ions are added to the solution, we need to find the pH.So, NH3 acts as a weak base, its dissociation is given below: NH3 + H2O ⇌ NH4+ + OH- Initial( M) 0.34 0 0 Change( M) -x +x +x

Equilibrium ( M) 0.34-x x x Kb = [NH4+][OH-]/[NH3]Kb = x2/0.34-xx = √(0.34 × 1.8 × 10^-5) = 6.14 × 10^-3pOH = -log [OH-] = -log 6.14 × 10^-3 = 2.21pH = 14 - pOH = 14 - 2.21 = 11.79

Hence, the pH of the buffered solution is 11.79 when 0.10 mol of H+ ions is added to the solution.

To learn more about solution visit;

https://brainly.com/question/1616939

#SPJ11

Answer:

The reason is carbon's ability to form stable bonds with many elements, including itself. 

Explanation:

This property allows carbon to form a huge variety of very large and complex molecules. In fact, there are nearly 10 million carbon-based compounds in living things!

Answer:

Explanation:

The reason is that carbon is able to form stable bonds with many elements, including itself, which allows carbon to form a huge variety of very large and complex molecules.