Which of the following statements correctly explains why a water molecule is polar? A. Water is tetrahedral in shape, with four hydrogens bonded to a central oxygen atom. B. Water is composed of an electronegative oxygen atom that attracts to electrons from two hydrogen atoms. C. Water is composed of two electronegative hydrogen atoms that attract to electrons from a central oxygen atom. D. Water is linear in shape, with equal sharing of electrons between its two hydrogen atoms.

Q: Why is water considered the universal solvent? A:Water molecules are weakly bonded to other water…

A: Biomolecules are those organic compounds that are made up of carbon and hydrogen with some other…

Q: (a) Discuss THREE properties of water. B IU x? x, 5 C n EE 0/ 10000 Word Limit (b) Explain each of…

A: a. Three properties of water. Its attraction to polar molecules High-specific heat High polarity

Q: Explain this statement: “All compounds are molecules, but not allmolecules are compounds.” Give an…

A: Atoms combine to form a molecule. Different elements combine to form compounds.

Q: Match the concept in column A to the concept in column B. Write the letter of the correct answer on…

A: Introduction "A cell is the smallest, most fundamental unit of life, responsible for all of life's…

Q: two of these statements are truths and one is a lie. Which of the following statements is a lie? a.…

A: pH is negative log of H+. pH is a scale used to specify the acidity or basicity of an aqueous…

Q: Draw three examples of types of molecules that can form hydrogen bonds.

A: Hydrogen bonds are formed between a hydrogen atom with a partial positive charge and an…

Q: Water has some very unusual properties. These properties occur because of thea. hydrogen bonds…

A: There are four types of bonds that are involved in different molecules. These bonds are ionic bonds,…

Q: Which statement is true of all atoms that are anions?(A) The atom has more electrons than…

A: An atom is composed of three major particles. They are proton, neutron and electron. Protons are…

Q: Explain how electronegativity applies in a water molecule

A: Water (H2O) is polar because of the bent shape of the molecule. The electronegativity value of…

Q: Which of the following is most directly responsible for water's unique properties? A It contains…

A: Question- Which of the following is most directly responsible for water's unique properties? A)- It…

Q: The ability of non-polar substances like fat molecules to clump together in water thereby allowing…

A: Fats are non-polar molecules and generally insoluble in water. Non-polar molecules can not make…

Q: Draw a hydrogen bond between two water molecules.

A: Water is an essential molecule for all the living being the human body is made up of 70 % water. The…

Q: Which of the following alters proteins and membranes? a. Alcohols b. Iodine c. All other choices…

A: Several factors influence antimicrobial activity: The population size of microbes The duration of…

Q: chemical bonds? Give an example where each type is important.

A: All biological systems, structures and functions are dependent on the interactions between the…

Q: Organic compounds are present in all living cells. They allshare the following characteristic:(a)…

A: Bio-biological macromolecules are the big molecules needed to live in from smaller organic…

Q: When hydrogen is a part of a ________, it has a slight positive charge.   a. Ionic bond   b. polar…

A: Hydrogen bears a slight positive charge and atom with which it is attached bears slight negative…

Q: When a hydrophobic substance like a hydrocarbon is dissolved in water, a clathrate cage of ordered…

A: Hydrophobic molecules are considered as non-miscible in water or polar solvent. Due to this reason,…

Q: When an ionic compound is dissolved in water, each ion is surrounded by a sphere of water molecules…

A: An ion refers to an atom or a molecule that carries a net electric charge due to either loss or gain…

Q: Rank the following chemical bonds in order of increasing polarity.a. nonpolar covalent b. ionic c.…

A: A typical chemical bond is defined as an attractive force between two atoms. Atoms in a molecule are…

Q: Chemistry Most swimming pool experts recommend a pH of between 7.0 and 7.6 for water in a swimming…

A: pH is the quantitative measure of the strength of the acidity of the solution by measuring the…

Q: In ice, each water molecule is involved in ______ hydrogen bonds.

A: Explanation: From the water(liquid form) to ice (solid form) transition is bacause of the change in…

Q: A carbon atom contains six protons and six neutrons.A. What are its atomic number and atomic…

A: CARBON - Carbon is a chemical element with the symbol C . It is nonmetallic and tetravalent—making…

Q: Several emergent properties of water contribute to the suitability of the environment for life. In a…

A: Earth is so far the only planet that has the capability to sustain life on it. There are many…

Q: What is the difference between a molecule and a compound? Give an example of each

A: The branch of science which is concerned about the chemical, physicochemical processes, and…

Q: Which of the following describes a buffer?   A. The measure of the amount of hydrogen ions in a…

A: A solution is said to be a homogeneous mixture of two or more components in any one phase(solid,…

Q: This occurs when the cations and anions are attracted to the positive and negative ends of water…

A: The type of interaction where two molecules of opposite charge with each other i.e. a cation…

Q: Which of the following statements is not true?a. Water is polar.b. Water stabilizes temperature.c.…

A: Water is a colorless, tasteless, odorless chemical substance which consists of hydrogen and oxygen…

Q: If water molecules are like magnets, why do you think frozen water molecules don't pull toward each…

A: A water molecule consists of two hydrogen atoms bonded to an oxygen atom,and its overall structure…

Q: Which of the following would be most effective as a buffer? A. pure water   B. a mixture of…

A: Buffer is aqueous solution which is used to maintain an optimum pH and this can be acidic buffer or…

Q: which of the following solvents would NOT dissolve lipids and why? a. Hot ethanol - because this…

A: Biological macromolecules are those important cellular components that are necessary for the…

Q: Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound…

A: In biological molecules, two main types of bonds are found that is covalent and non-covalent bonds.…

Q: Carbon is particularly well suited to be the backbone of organic molecules because (a) it can form…

A: Carbon is a chemical element with an atomic number of 6. Carbon is non-metallic and has four…

Q: H. :0-H---:N-H H. H. Hydrogen Bond Which statement best helps explain the formation of the hydrogen…

A: A hydrogen bond is a primarily electrostatic force of attraction between a hydrogen atom which is…

Q: Which of the following elements is mismatched with its properties or function? (a) carbon—forms the…

A: Answer : All of the above are correctly matched.

Q: Which of the following substances will dissolve in water

A: Water is known as a universal solvent as there are many substances that can dissolve easily in…

Q: Which of the following is correct about the properties of water?  Three of the qualified choices…

A: Water is also a chemical compound that is composed of one atom of oxygen and two atoms of hydrogen.…

Q: Indicate whether the statement below is true or false.Any covalently bonded H atom can participate…

A: Covalent compounds are the compounds containing covalent bonds. In covalent bonds the electrons are…

Q: Which kind of bond holds atoms in a water molecule together? What attracts water molecules to each…

A: A water molecule has two hydrogen atoms and one oxygen atom. The water molecules present in a liquid…

Q: Which of the four emergent properties of water is the most important one for supporting life on…

A: Water has 4 essential emergent properties that can support life on Earth. The 4 major emergent…

Q: You have two beakers. One contains pure water, the other contains pure methanol (wood alcohol). The…

A: The solubility of a salt in water depends on lattice energy and hydration energy. When lattice…

Q: Use the following diagram to answer the question: Which of the molecules have hydrogen bonding? (B…

A: In the given images, we are shown different biomolecules. There are many biomolecules present in the…

Q: Considering only the side chains of the amino acids in the molecule shown above, how many can…

A: Hydrogen bonding is the bonding between the Hydrogen in a molecular dipole and an electronegative…

Q: The partial negative charge at one end of a water molecule is attracted to the partial positive…

A: A chemical compound is formed when two or more different atoms chemically bond together. Carbon…

Q: List four kinds of interactions and bonding in biological molecules

A: For the growth and development of living organisms biomolecules are needed in large amounts.…

Q: The type of bonding that happens between atoms within a water molecule is which of the following?…

A: The molecules of water are held together by non-covalent interactions.

Q: Which of the following bonds and properties are correctly matched? (a) ionic bonds; are strong only…

A: Answer : B) hydrogen bonds; are responsible for bonding oxygen and hydrogen to form a single water…

Q: Which of the following chemical reactions is represented in the figure?

A: In the diagram two molecules are getting joined. These two molecules are serine and valine. Serine…

Q: Explain in detail why water molecules are polar. Your explanation can be as long as you wish. Your…

A:

Q: Which of the following best describes a solution with a pH of 9?    A. it would have 100 times more…

A: pH is the measure to specify acidity and basicity of an aqueous solution. It is the negative…