Why BF3 acts as a Lewis acid???

Heat manufacturing is a feature of metabolism. Most of the warmth produced in the body is generated in the liver, brain, heart, and skeletal muscle mass all through exercise.

In our body, cellular respiration leads to formation of water, carbon dioxide and launch of energy. This energy is stored in the shape of ATP. Some structure of this strength is utilised in day by day things to do and the excess is launched in the form of heat.

Cooling Your Body

Convection happens when warmness is carried away from your body by means of shifting air. If the surrounding air is cooler than your skin, the air will absorb your heat and rise.

Learn more about human body here;

https://brainly.com/question/2844926

#SPJ9

Answer:

As the plates travel horizontally past one other, no crust is formed nor destroyed.

Explanation: tectonic plates

The characteristic of some repeating property can be used to find the answer is

The periodic table created by Mendeleev was initially based on the atomic weight of the elements, but he realized that the similarities of the atoms were greater if he used the atomic number, so he changed the ordering.

Mendeleev found that elements with the same number of electrons in their last shell had similar properties, when he ordered them he found that there were holes in the table, shortly after the work of many researchers the holes were completed and found numerous new chemical elements.

In the observation of the phases of the Moon around the earth it is found that for short measurements there are four phases, for longer measurements in addition to these four phases there are several higher repetition periods, with repeated observation the phases and periods are found. .

We can see that the two jobs are searched for, which is repeated and a table is created, leaving the spaces that are not known empty, with subsequent jobs filling these holes.

In conclusion, with the characteristics of some repeating property, the answer can be found is

Learn more about the periodic table here:

https://brainly.com/question/3376367

One definition is – A base receives protons while an acid provides proton(s) (H+) .An acid and conjugate base pair is H2SO4/HSO4-.

To learn more about conjugate refer

https://brainly.com/question/14684465

#SPJ1

The component that will limit the reaction is:

a. HCl (Hydrochloric acid)

To determine the limiting reagent in the given chemical reaction, we need to compare the moles of each reactant to the stoichiometric ratio of the balanced equation.

Let's calculate the number of moles for each reactant:

For Zn:

Molar mass of Zn = 65.38 g/mol

Number of moles of Zn = mass / molar mass = 3.27 g / 65.38 g/mol ≈ 0.05 mol

For HCl:

Molar mass of HCl = 36.46 g/mol

Number of moles of HCl = mass / molar mass = 3.30 g / 36.46 g/mol ≈ 0.09 mol

According to the balanced equation, the stoichiometric ratio between Zn and HCl is 1:2. This means that for every 1 mole of Zn, we need 2 moles of HCl.

In this case, the number of moles of Zn (0.05 mol) is less than half of the number of moles of HCl (0.09 mol). Therefore, Zn is the limiting reagent, as it will be completely consumed before all the HCl can react.

So, the component that will limit the reaction is:

a. HCl (Hydrochloric acid)

Learn more about  limiting reagent from the link given below.

https://brainly.com/question/31325385

#SPJ4

Phenol and bromomethane are the major products obtained upon treatment of methyl phenyl ether with excess HBr.

What do you mean by Phenol and Bromomethane?

Phenols  are a class of chemical compounds which consist of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group. The simplest of the class is phenol, C6H5OH. Friedlieb Ferdinand Runge discovered Phenol in the year 1834. It was extracted from coal tar.

Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. It is a colorless, odorless, nonflammable gas which is produced both industrially and biologically.  It consist of a  a tetrahedral shape and is  recognized as a ozone-depleting chemical.

To know more about Phenol from the given link

https://brainly.com/question/13571160

#SPJ4

Answer:Plants and animals are living things. They feed, respire, excrete, grow, move, reproduce and are sensitive to their environment

Explanation:

Animals have a central nervous system (CNS) that enables them to respond swiftly to their environmental changes. In contrast, plants lack CNS but have other structural adaptations such as being firmly rooted on the ground, and others can float on water bodies for survival.

Given data:H2O vapor content: 13 gramsH2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10∘C52 grams at 30∘CFormula used to find the dew point:$$\dfrac{13}{52}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$\frac{1}{4}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$

Where A is the constantDew Point:It is the temperature at which air becomes saturated with water vapor when the temperature drops to a point where dew, frost or ice forms. To solve this question, substitute the given data into the formula.$$13/52=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$13(17.27-A)=3\pi A(ln100)$$By simplifying the above expression, we get$$A^2-17.27A+64.78=0$$Using the quadratic formula, we get$$A=9.9,7.4$$

The dew point is 7.4 since it is less than 10°C.More than 100:The term "More than 100" has not been used in the question provided.

To know more about temperature  visit:

https://brainly.com/question/7510619

#SPJ11

The number of peaks that would be expected in your aldol product molecule if a 13 c nmr spectrum were taken is 8.

Dibenzyl acetone is an organic compound with the chemical formula C₂0H₂O. It is also known as 4,4'-dibenzylideneacetone or DBA. It is a yellow to brown colored solid and is insoluble in water but soluble in organic solvents such as ethanol and acetone.

Dibenzyl acetone is widely used in organic synthesis as a building block for the preparation of various organic compounds. It is used as a starting material in the synthesis of chiral ligands, pharmaceuticals, and agrochemicals. It is also used as a flavor and fragrance ingredient in the production of perfumes and cosmetics.

Learn more about Dibenzalaceto on:

https://brainly.com/question/9809820

#SPJ4

How many peaks would be expected in your aldol product molecule if a 13C NMR spectrum were taken?

aldol product is dibenzyl acetone

Base-catalyzed biodiesel production utilizes transesterification : transformation of an ester into another ester through interchange of the alkoxy group.

What is a transesterification ?

To learn more about transesterification refer :

https://brainly.com/question/14788177

#SPJ4

Our sun is a star that is fueled by a specific type of nuclear reaction. The type of nuclear reaction is Fusion.

When two atoms collide to create a heavier atom, such as when two hydrogen atoms combine to create one helium atom, this process is known as fusion. The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium.

This process generates enormous amounts of energy, many times more than fission, and powers the sun. Furthermore, it doesn't generate radioactive fission products.

Scientists are studying fusion processes, but they are challenging to maintain for extended periods of time due to the extreme pressure and temperature required to fuse the nuclei together.

Learn more about fusion https://brainly.com/question/12701636

#SPJ4

Explanation:

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.

Ref www.nal.usda.gov

Explanation:

byju's ig. Cause it gives a proper concept

Answer:

Data Scrubbing,Charts and Graphs,Organization by Category and Attributes

We calculate the moles of Fe2O3 formed, then use the stoichiometry and given enthalpy of formation to calculate the heat evolved, which is approximately -361.6 kJ. The answer closest to this is option (d) 360.1 kJ.

We use the enthalpy of formation and stoichiometry of the reaction to determine the heat released during the creation of 35.0 g of Fe2O3. Prior to calculating the moles of O2 reacted, we first calculate the moles of Fe2O3 formed. The heat developed is then calculated using the reaction's specified enthalpy of formation. The enthalpy change and the formation of moles of Fe2O3 are the causes of the heat evolution. The closest response is option (d) 360.1 kJ since the enthalpy change is negative, suggesting an exothermic process. As a result, at 25 °C and 1.00 atm of pressure, the reaction produces 361.6 kJ of heat during the creation of 35.0 g of Fe2O3.

learn more about moles of Fe2O3 formed here:

https://brainly.com/question/21803958

#SPJ11

Answer:

Group 15

Explanation:

Answer:

1.53 × 10²³ molecules As₂O₃

Explanation:

Step 1: Define

Diarsenic Trioxide - As₂O₃

Avagadro's number: 6.02 × 10²³ atoms, molecules, formula units, etc.

Step 2: Use Dimensional Analysis

\(0.254 \hspace{3} mol \hspace{3} As_2O_3(\frac{6.02(10)^{23} \hspace{3} molecules \hspace{3} As_2O_3}{1 \hspace{3} mol \hspace{3} As_2O_3} )\) = 1.52908 × 10²³ molecules As₂O₃

Step 3: Simplify

We have 3 sig figs.

1.52908 × 10²³ molecules As₂O₃ ≈ 1.53 × 10²³ molecules As₂O₃

In qualitative analysis, the student should omit the steps 1B-1E which leads us to omitting steps which involves the presence of Pb and Ag.

What is qualitative analysis?

In qualitative analysis, information that is non-numerical about a chemical species, a reaction, etc. are determined. Qualitative analysis is not a reliable analysis but it often easier, faster and is a lot cheaper to perform that the quantitative analysis. Qualitative Analysis deals with the grouping or identification of elements present in the sample. It is a standard procedure to classify the methods in two classes and those are qualitative inorganic analysis and qualitative organic analysis.

Hence, In qualitative analysis if there is no precipitate, student should omit the step 1B-1E.

To know more about qualitative analysis, follow the below link

https://brainly.com/question/15858232

#SPJ4

The student should omit steps 1B through 1E, which leads us to omit steps involving the presence of Pb and Ag, when performing a qualitative analysis.

What is qualitative analysis?
Qualitative analysis is used to determine non-numerical information about a chemical species, a reaction, etc. Although qualitative analysis is less accurate than quantitative analysis, it is frequently quicker, simpler, and much less expensive to conduct. The grouping as well as identification of elements found in the sample is the focus of qualitative analysis. The methods are typically divided into two categories: qualitative inorganic analysis as well as qualitative organic analysis.

Hence, In qualitative analysis if there is no precipitate, student should omit the step 1B-1E.

To know more about qualitative analysis, follow the below link
brainly.com/question/15858232
#SPJ4

Answer:

Crack the windows

Explanation:

believe it or not, one researcher actually tested this back in the 1980s: A study in Pediatrics found that cracking the window 5 centimeters lowered the temperature in a car by about 28°F on a 98°F day .

The layer which is between the asthenosphere and the outer core is referred to as the Lithosphere and is denoted as option C.

This is referred to as the outermost rocky layer of the earth and has a rigid structure. It is made up of the crust and the solid outermost layer of the upper mantle which is the reason why it has a rigid structure.

It can also be described as the region or layer which is between the asthenosphere and the outer core which is therefore the reason why it was chosen as the correct choice.

Read more about Lithosphere here https://brainly.com/question/28135333

#SPJ1

Answer:

Common pollutants produced by engines that burn fossil fuels are carbon dioxide, nitrogen oxides, sulfur dioxide, volatile organic compounds (VOCs), and particulates. Stoves, incinerators, and open burning produce carbon monoxide and carbon dioxide, as well as particulates.

Explanation:

Answer:

Explanation:

Una manifestación, protesta o marcha es la exhibición pública de la opinión de un grupo activista (económica, política o social), mediante una congregación en las calles, a menudo en un lugar o una fecha simbólicos y asociados con esa opinión.

The empirical formula of the compound C₄H₁₀O₁.

The empirical method of a chemical compound is the simplest entire range ratio of atoms present in a compound. The empirical formula of a compound is the most effective whole variety ratio of atoms of each detail in the compound.

Step 1: decide the masses. Step 2: decide the variety of moles by dividing the grams by means of the atomic mass. Step 3: Divide the wide variety of moles of every detail through the smallest quantity of moles. Step 4: Convert numbers to complete numbers.

                                         divide by smallest

64.9% C /12 = 5.4             5.4/ 13.5  = 4

13.5% / 1 H  = 13.5             13.5 /1.35  = 10

21.6% / 16 O  = 1.35          1.5/1.5 = 1

Empherical formula = C₄H₁₀O₁

Learn more about empirical formula here:-https://brainly.com/question/1603500

#SPJ4

1) List what you have and what you are looking for.

P = 163.6 kPa

V = ?

n = 2.2 mol

R = 8.314

T = 37.9°C / 311.05K (immediately convert to kelvin)

2) Rearrange your formula, input values, then calculate.

\(PV = nRT\\ V=\frac{nRT}{P} \\ V=\frac{(2.2)(8.314)(311.05)}{(163.6)} \\ V=34.77599841\)

V = 35 L

Answer:

Different elements emit differently colors of light because when electrons return to the lower energy levels, they emit energy in a different form of light

Explanation:

Answer:

Its true

Explanation:

Answer:

it is TRUE on edge

Explanation:

The relationship between seasons in the Philippines and activities that can be done during specific seasons is closely linked to the country's climate. The Philippines has two main seasons: the dry season and the wet season.

During the dry season (typically from November to April), outdoor activities such as hiking, beach visits, and tourism are more popular due to the favorable weather conditions. This season is ideal for exploring the country's beautiful landscapes, attending festivals, and participating in water sports.

On the other hand, the wet season (usually from May to October) brings heavier rainfall and occasional typhoons, making some outdoor activities less suitable. However, this season is perfect for indoor activities like visiting museums, attending cultural events, or enjoying local cuisine.In summary, the relationship between seasons in the Philippines and activities is that each season offers different opportunities for various types of activities, based on the prevailing weather conditions.

To know more about country's climate visit:-

https://brainly.com/question/30309814

#SPJ11

The m/z ratio of the M+ ion peak gives the relative molecular mass of the molecule.

correct option is B

The molecular ion, M+, in a mass spectrum is the precursor ion of the molecule before fragmentation.

The m/z ratio of the M+ ion peak in a mass spectrum gives the relative molecular mass of the molecule.

The m/z ratio is the ratio of the mass of the ion to its charge, and for the M+ ion, this value is equal to the molecular mass of the compound.

By measuring the m/z ratio of the M+ ion peak, it is possible to determine the relative molecular mass of the molecule, which is a crucial piece of information for identifying and characterizing a compound.

to learn more about molecular ion refer here

https://brainly.com/question/20815761#

#SPJ11

Answer:

a. 5 8/100 is equivalent to $ 5.08.

Explanation:

i hope this helps :)