Which shows the general structure of a carboxylic acid?
O A. R
O-R
R
O R
B. R-O-R
C. R-OH
OD ROH

The quantity of the product that was formed was 5g

From the question,

We are to determine the quantity of product formed. That is, the actual yield.

Using the formula

[tex]Percentage \ yield =\frac{Actual \ yield}{Theoretical\ yield} \times 100\%[/tex]

From the given information

Theoretical yield = 10g

Percentage yield = 50%

Putting the parameters into the formula, we get

[tex]50\% = \frac{Actual\ yield}{10} \times 100\%[/tex]

Then,

[tex]50\% = Actual\ yield \times 10\%[/tex]

∴ Actual yield = [tex]\frac{50\%}{10\%}[/tex]

Actual yield = 5g

Hence, the quantity of the product that was formed was 5g

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The frequency of yellow light, which has a wavelength of 5.56 x 10^-7 m is  5.40 x 10^14 Hz. Therefore, option B is correct.

The distance between identical points (adjacent crests) in adjacent cycles of a waveform signal propagated in space or along a wire is defined as the wavelength. This length is typically specified in wireless systems in meters (m), centimeters (cm), or millimeters (mm) (mm).

The wavelength is the distance between two wave crests, and it is also the distance between two wave troughs. The frequency is measured in cycles per second (Hz) and is the number of vibrations that pass over a given spot in one second (Hertz).

Speed is distance over time, Therefore, v = λ / T.

The frequency, f, is 1/T, so the equation relating wave speed, frequency, and wavelength is v = c / λ .

Given :

Wavelength = 5.56 x 10^-7 m

Frequency = ?

Speed (c) = 3 × 10⁸m/s

v = c / λ

By substituting given values in equation and we get,

v =  3 × 10⁸ / 5.56 x 10^-7

= 5.40 x 10^14

The frequency of yellow light is 5.40 x 10^14.

Thus, option B is correct.

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Answer:

The most populous state in the United States is California, which has 37,253,956 inhabitants. On the other hand, the least populated state is Wyoming with 493,782 inhabitants.

Answer: Alaska. Alaska is by far the least densely populated of the US states and has 1.3 persons per square mile.

Explanation:

Hope it helped .

Answer:

6680 J

Explanation:

Answer:

Convection is the transfer of heat energy in a fluid. Air in the atmosphere acts as a fluid. The sun's radiation strikes the ground, thus warming the rocks. As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air.

Answer:

iron

iron has +2 valancy

Answer:

C silver

Explanation:

Correct:

Incorrect:

Carbon dioxide is the waste product of cells that you let out each time you breathe.

Answer:

oxygen are covalent bonds because they require 2 more electrons to obtain their octet shell

so when they combine with any other element, they form a covalent bond

Explanation:

Oxygen requires two shared electrons to fill its outermost shell therefore to covalent bonds form.

Answer:

because of chemical reactions

Answer:

gases expand rapidly because their particles move at high speeds in all directions

En este caso, dado que se describe un gas del que se conoce el volumen (60L), la presión (1.64 atm) y la temperatura (100K), es posible usar la ecuación del gas ideal para calcular los moles que hay presentes a estas condiciones:

[tex]PV=nRT[/tex]

Ahora, despejamos las moles del gas como sigue:

[tex]n=\frac{PV}{RT}[/tex]

Finalmente, reemplazamos los valores dados, teniendo en cuenta que R es 0.08206 en atmosferas, litros y Kelvin:

[tex]n=\frac{1.64atm*60L}{0.08206*100K}\\\\n=11.8mol[/tex]

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Answer: The reaction of 1 mol of C to form carbon monoxide in the reaction 2 C(s) + O2(g) ( 2 CO(g) releases 113 kJ of heat. How much heat will be released by the combustion of 100 g of C according the the above information? According to the balanced chemical equation;

Explanation:

4709.25 joules of heat are absorbed when 25 grams of water increases temperature by 45 K.

Let suppose that temperature change experienced by water is entirely sensible. Then, we can estimated the heat absorbed by the water sample ([tex]Q[/tex]), in joules, through this expression:

[tex]Q = m\cdot c \cdot \Delta T[/tex] (1)

Where:

If we know that [tex]m = 25\,g[/tex], [tex]c = 4.186\,\frac{J}{g\cdot K}[/tex] and [tex]\Delta T = 45\,K[/tex], then the heat absorbed by the water sample is:

[tex]Q = (25\,g)\cdot \left(4.186\,\frac{J}{g\cdot K} \right)\cdot (45\,K)[/tex]

[tex]Q = 4709.25\,J[/tex]

4709.25 joules of heat are absorbed when 25 grams of water increases temperature by 45 K.

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Answer:

Therefore, the partial pressure of oxygen at high altitudes is less than at sea level.

Explanation:

The deep ocean thus has higher oxygen because rates of oxygen consumption are low compared with the supply of cold, oxygen-rich deep waters from polar regions. In the surface layers, oxygen is supplied by exchange with the atmosphere.

Answer:

Water-soluble vitamins are not stored in the body and are excreted in the urine quickly. Unlike water-soluble vitamins, fat-soluble vitamins are dissolved in fat and an excess of them would lead to toxicity if consumed in large amounts because it would lead to rancidity, and they are not easily excreted by urine like water-soluble vitamins.

Even when consumed in high doses, water-soluble vitamins are less likely to create problems since they are eliminated through urine rather than stored.

Vitamins are defined as a collection of molecules required for healthy cell growth, development, and function. While some vitamins support healthy neurons and infection resistance, others may aid in correct blood clotting or food energy absorption.

Water-soluble vitamins are promptly eliminated in the urine and are not retained by the body. In contrast to water-soluble vitamins, which are easily eliminated by urine, fat-soluble vitamins are dissolved in fat. If ingested in excess, they can be harmful due to rancidity and cannot be easily expelled through urine.

Thus, even when consumed in high doses, water-soluble vitamins are less likely to create problems since they are eliminated through urine rather than stored.

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Answer:

yes/no

Explanation:

I prefere it refrigerated because it lasts longer in my opinion. but some people keep it out

Answer:

yes.

Explanation:

It does unless you want warm soggy pie.

An observer in one of those galaxies see the other galaxy moving away at 400000 km/s.

Relative velocity is the velocity of an object with respect to another object, that is the time rate of change of relative position of one object with respect to another object.

Since two galaxy are moving in opposite directions with a velocity of 200,000 km/s. Hence the relative velocity between the two galaxies is 400000 km/s (200000 + 200000)

Therefore an observer in one of those galaxies see the other galaxy moving away at 400000 km/s.

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Answer:

D 400,000km/s

Explanation:

Answer:

Source:

Mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.

The chemical element iron has the atomic number 26 and the symbol Fe. It is a metal that is found in group 8 of a periodic table and the first transition series. It makes up a large portion of the planet's outer or inner core and is the most prevalent element on Earth by mass, just ahead of oxygen.

It is the fourth most prevalent element in the crust of the Earth, having been mostly deposited by meteorites inside its metallic state, along with its ores. Iron ores must be processed in kilns or furnaces that may reach 5000 °C (2,730 °F) and higher, which is approximately 500 °C (932 °F) greater than the temperature needed to smelt copper. Mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.

Therefore, mr. garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is iron.

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Answer:

0.57 molecules

Explanation:

Answer:

c

Explanation:

just got this question

Answer:

The mass number of an atom, which is also called the atomic mass number,  is the total number of protons and neutrons in an atom,

Explanation:

Hope this is helpful.

Answer:

when less water is flowing

Answer:

https://brainly.com/question/19533453

Explanation:

This might be able to help you.

When tiny droplets of one liquid are finely dispersed within another liquid it is called emulsion.

Emulsion can be defined as the process by which two liquids that are not miscible come together to form a mixture.

The emulsion mixture usually consists of an oil phase and a water phase.

The oil phase appears as droplets when dispersed (mixed with) the water phase.

The uses of emulsion include:

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Answer:

459.11 g.

Explanation:

hope this helps

Answer:

1.Phenolphthalein

2.Method

a.Use the pipette and pipette filler to add 25 cm 3 of alkali to a clean conical flask.

b.Add a few drops of indicator and put the conical flask on a white tile.

c.Fill the burette with acid and note the starting volume.

d.Slowly add the acid from the burette to the alkali in the conical flask, swirling to mix.

Explanation:

Answer: 7

Explanation: