What is the empirical formula for a compound that is 26.56% potassium, 35.41% chromium, and 38.03% oxygen?

Q: Calculate the coulomb energy for the following three nuclei using the semi-empirical mass formula.…

A: Introduction The semi-empirical mass formula is used to calculate an atomic nucleus' mass and other…

Q: Identify the names of the following structure. (with alpha/beta and L-D designation) CH,OH CH2OH OH…

A: The D and L forms are isomers and form mirror images. The orientation of -H and -OH groups on the…

Q: How many electrons are in the outer shell of each of the following atoms?

A: Since, the question is incomplete, not provided with complete options, so here giving the…

Q: What is the Molarity of 10 grams of NaCl dissolved in 3L of solvent?

A: Molarity of the solution is equal to the number of moles of solute present in one liter of solution.…

Q: What is the difference between molecular mass and formula mass? Between molecular mass and molar…

A: Atoms are the basic building blocks of matter. Molecules are defined as the particle contains two or…

Q: Which electron shell is the valence shell of an atom, and what is  its significance?

A: Electrons can be defined as the negatively charged particles of an atom. All electrons of an atom…

Q: How many grams is one mole of potassium chloride KCI?

A: Moles : unit of concentration  Mole concept is used to convert mass and number of particles. 1 mole…

Q: How many moles of argon are in 40.1 g of argon?

A: In this question, we have to find the number of moles of argon in 40.1 gm of argon using the formula…

Q: What is the chemical formula of the triglyceride?

A: Triglyceride is a type of lipid.

Q: What does the formula DPD = SF – TP mean?

A: If a solute is added to water, it decreases its diffusion pressure. The difference between diffusion…

Q: What is 80.1ml in liquid volume?

A: The volume of an object is defined as the 3-D (three-dimensional space) present within a closed…

Q: What does the formula DPD = SF - TP mean?

A: The above mentioned question is related to cell membrane. It is asking the meaning of mentioned…

Q: What mass of nitrogen monoxide would be produced by complete reaction of 17.0 g of ammonia?

A: Nitrogen oxide is a colorless gas with the formula NO. It is one of the principal oxides of…

Q: C6h1206 is the chemical formula for a

A: Given formula: C6H12O6  It means 6 carbon, 12 hydrogen and 6 oxygen

Q: What is the mass in grams of 6.022 * 1023 O atoms of mass 16.00 amu?

A: The mole concept is a convenient method of expressing the amount of a substance. Any measurement can…

Q: If one compound has the formula C5H10 and another has the formula C4H10, are the two compounds…

A: Isomers are molecules or compounds with identical molecular formulas which means they have empirical…

Q: What is the molar mass of diazepam (Valium), C16H13ClN2O?

A: Diazepam brand name is valium. It belongs to benzodiazepine family medicines which produce a calming…

Q: Explain the boiling point of a compound ?

A: The melting point is the temperature when a solid substance is starting to convert into liquid. The…

Q: What is the maximum number of electrons in the 1s orbital of an atom?

A: In this question, we have to answer the maximum number of electron found in 1s orbital.

Q: How does the atomic structure or composition of the versions of sodium in question C above differ…

A: According to the question, We have to explain how does the atomic structure or composition of the…

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: Another major use of bismuth has been as an ingredient in low-melting metal alloys, such as those…

A: Bismuth has the atomic number 83 and is the heaviest among all the elements in 5A. In the group 5A…

Q: How many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?

A: Stoichiometry is a section of chemistry that involves using relationships between reactants and/or…

Q: What is the pH of a 0.00550 M solution of HCl?

A: Strong acids completely disassociated into ions in solution but weak acids do not. The pH of the…

Q: Which of the following correctly identifies the number of each element involved in the chemical…

A: The chemical formulas of a given molecule represent the simple ratios or the number of molecules of…

Q: Which do you think has a higher boiling point, pentane or neopentane (2,2-dimethylpropane)? Why?

A: The boiling point is the temperature at which the pressure of the liquid changes to the state of the…

Q: What is the pH of a 0.0032 M solution of NaOH?

A: pH is a scale which is used to specify the acidity or basicity of an aqueous solution. The pH scale…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: What is Guanine?

A: Nucleic acids are large biomolecules carrying genetic instructions and are important for all known…

Q: Give IUPAC names for the five isomers with the formula C6H14.

A: Isomers are different compounds that have the same molecular formula but the atoms are attached in…

Q: Ferrous sulfate is one dietary supplement used to treat iron-deficiency anemia. What are the…

A: Ferrous sulfate is an essential supplement, which is required by our body. It plays important role…

Q: What is Alu element ?

A: An Alu element is a transposable element, also known as a “jumping gene.” Transposable elements are…

Q: What is the approximate atomic mass of an atom with 16 neutrons, 15 protons and 15 electrons?

A: Atomic mass is described as the number of protons and neutrons in an atom.

Q: Which of the following compounds are acids, and which are bases? Explain.

A: Acids and bases are popular chemicals which interact with each other resluting in the formation of…

Q: Write the nuclear equation for the beta decay of Bi-214.

A: The bismuth-214 atom has an atomic number of 83 and an atomic mass of 214. Most of the known bismuth…

Q: What is ethidium bromide ?

A: Agarose gel electrophoresis is commonly used for the separation of nucleic acid molecules. It…

Q: How many total isomers are possible in the picture?

A: Cholesterol is a type of lipid. It is a waxy, fat-like substance that liver produces naturally.

Q: Define the mole, and calculate the molar mass of a compound from the molecular formula.

A: The mass of substance present in a sample of a given compound is divided upon the amount of…

Q: Write the nuclear equation for the alpha decay of Po-214.

A: The radioactive decay process is defined as the loss of energy by an unstable nucleus via emitting…

Q: Why do you think compounds containing the heavy metal lead are poisonous?

A: Heavy metals are chemical elements that have high density and very toxic or poisonous even at their…

Q: the molecular formula

A:

Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?

A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…

Q: Give the name of and symbol for an element with this number of valence electrons. a) 2 b) 6 c) 8

A: Valence electrons are the electrons which are present at the outermost shell. These electrons take…

Q: What is the mass number of an ion with 107 electrons, 157 neutrons, and a +1 charge?

A: Mass number  It is defined as total sum of protons and neutrons in an atomic nucleus. The protons…