Pytje Nga Lenda E Kimis

Berceliusi is the correct answer because he was the first person to arrange the elements in a systematic way, creating the first version of the periodic table. He organized the elements based on their atomic weights, grouping together elements with similar properties. This arrangement laid the foundation for the modern periodic table that we use today.

Metani është pjestari themelor i alkaneve sepse është molekulë e parë dhe më e thjeshtë e serisë së alkaneve. Alkanet janë hidrokarbure të thjeshta që përbëhen vetëm nga atome të karbonit dhe hidrogjenit. Metani ka formula kimike CH4 dhe është molekulë e parë e serisë së alkaneve, ku karboni ka vetëm një atom hidrogjeni të lidhur me veten.

The correct answer is "Acide te larta yndyrore" because esters are formed by the reaction between an acid and an alcohol. In this case, glycerol is an alcohol and high fatty acids are the acids involved in the formation of esters. Therefore, the correct answer is "Acide te larta yndyrore" which translates to "High fatty acids" in English.

The correct answer "Tokë e zezë" translates to "black land" in English. This term is commonly used to refer to the fertile black soil found along the Nile River in Egypt.

The correct answer is "Parafina" because alkanet is a plant that is commonly known as "Parafina" in Albanian.

The correct answer is "Alken." Alken is a type of hydrocarbon that contains a carbon-carbon double bond. It is characterized by the general formula CnH2n, where n represents the number of carbon atoms in the molecule. Alkenes are unsaturated hydrocarbons and are commonly used in the production of plastics, solvents, and other chemical compounds.

The correct answer is 4 Lidhje. In chemistry, carbon can form up to four covalent bonds with other atoms. This is because carbon has four valence electrons, allowing it to share electrons and form multiple bonds. Therefore, it is possible for carbon to have four bonds, which is represented by the answer choice "4 Lidhje".

The question asks for the preferred option among the given choices. The correct answer is Option 1, but without any additional context or information, it is impossible to provide a specific explanation for why Option 1 is the preferred choice.

The correct answer is CH3CH2CH2CH3. This is the formula for butane, a hydrocarbon with four carbon atoms in a straight chain. It is the only option that matches the formula for butane.

Glukoza dhe Fruktoza janë monosakaride. Monosakaridet janë karbohidratet më të thjeshta, të cilat nuk mund të ndahen në molekula më të vogla. Të dyja glukoza dhe fruktoza janë monosakaride të ndryshme, të cilat gjenden natyrisht në ushqime të ndryshme. Glukoza është forma e zakonshme e sheqerit dhe është burimi kryesor i energjisë për organizmin. Fruktoza gjendet kryesisht në fruta dhe është një lloj sheqeri natyral. Kjo përgjigje është e saktë sepse glukoza dhe fruktoza janë monosakaride, jo polisakaride, oligosakaride ose disakaride.

The correct answer is CnH2n-2. This formula represents the general formula for alkynes, which are hydrocarbons with triple bonds between carbon atoms. The formula CnH2n-2 indicates that for every carbon atom in the molecule, there are two hydrogen atoms less than twice the number of carbon atoms. This formula accurately represents the composition of alkynes and distinguishes them from alkanes (CnH2n+2) and alkenes (CnH2n).

The correct answer is Acidi etanoik. This is because etanal (also known as acetaldehyde) can be oxidized to form etanoik acid (also known as acetic acid). Acidi etanoik is a carboxylic acid that is commonly formed when aldehydes are oxidized.

The correct answer is Aminave. Aroma e pakëndshme e një substancë mund të jetë si rezultat i pranisë së aminave. Aminat janë një lloj komponimesh organike që përmbajnë një grup amino (-NH2). Këta amina mund të prodhojnë një aromë e cila mund të jetë e pakëndshme në disa raste, siç ndodh me amoniakun.

The correct answer is "Froma e karriges" because it refers to the chair conformation, which is the most stable form of cyclohexane. In the chair conformation, all carbons are in a staggered arrangement, minimizing steric hindrance and strain. This conformation also allows for the most favorable overlap of orbitals, resulting in lower energy and greater stability. The other options, such as the boat conformation or planar forms, introduce more strain and are therefore less stable.

The atomic number of hydrogen is 1, which means it has one proton in its nucleus. The atomic number determines the number of protons in an atom. However, the question is asking about the number of electrons in a hydrogen atom, which is equal to the number of protons in a neutral atom. Since hydrogen has one proton, it also has one electron. Therefore, the correct answer is 1, not 16.

The correct answer is CH4 because it is the only option that represents a molecule with a single carbon atom bonded to four hydrogen atoms. The other options have fewer hydrogen atoms or additional carbon atoms, making them different compounds.

The molar mass of AlCl3 is 133.34 g/mol. According to the balanced chemical equation, 2 moles of Al react with 3 moles of Cl2 to produce 2 moles of AlCl3. Therefore, the molar mass of 2 moles of AlCl3 is 2 * 133.34 = 266.68 g/mol. Since 10.8 g of Al is reacted, we can use the molar mass ratio to calculate the mass of AlCl3 produced. (10.8 g Al) * (266.68 g/mol AlCl3 / 2 * 26.98 g/mol Al) = 53.34 g AlCl3. Rounded to the nearest tenth, the mass of AlCl3 produced is 53.3 g.

The correct answer is 5.31x10^23. This is because the question asks for the measure of a molecule of oxygen, and the given answer is the closest to the other options.

The correct answer is 3.35 x 10^23 molecules.

The given equation represents the reaction between hydrogen gas (H2) and boron trichloride (BCl3) to form hydrogen chloride gas (HCl) and boron (B). The molar ratio between BCl3 and B is 2:2, which means that for every 2 moles of BCl3, 2 moles of B are produced. The molar mass of BCl3 is 117.17 g/mol, so the mass of 2 moles of BCl3 is 234.34 g. Therefore, the mass of 2 moles of B is also 234.34 g. Dividing this mass by 4 (since 4.32 g is 1/4th of the mass of 2 moles of B), we get 58.585 g/mol, which is approximately 1.2.