As water is chilled, its molecules slow their movement, and H-bonds form and hold water molecules further apart. This explains why.... a. Water is most dense just above freezing b. Ice floats c. Water molecules dissociate only a small amount d. Why living near a lake moderates temperatures on land

Q: Which class of biological molecules has the most diverse functions, including transport, structure,…

A: Protein is the biomolecules that has the most diverse functions, including transport, structure,…

Q: A substance formed of crystals of equal numbers of cations and anions held together by ionic bonds…

A: Answer is b.)  salt.

Q: Which of the following can be attributed to water’s high specific heat? A- oil and water do not mix…

A: Specific heat definition : Amount of heat required to raise the temperature of 1 gram of a substance…

Q: Explain the each of the following properties making water important to life

A: Water is a molecule composed of three atoms, two hydrogen atoms and one oxygen atom. It is an…

Q: a) What type of molecule is this? b) How do you know? c) Describe the variety of larger molecules…

A: Molecules are of various types. They can be organic or inorganic.

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: The most abundant element by weight in the human body is   a. carbon. b. hydrogen. c. oxygen.d.…

A: Human body requires nutrients to provide nourishment essential for the maintenance of life and for…

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: Select the statements that are TRUE regarding Water. SELECT ALL THAT APPLY   A. Water is…

A: Those molecules that are vital for the growth and development of the living body are referred to as…

Q: When you go to the beach in the summer you may burn your feet on the sand, a pecause water has a.…

A: The correct option is D i.e. High density  fo the above question.

Q: Water resistant temperature change because ____. A) large bodies of water cannot store heat B)…

A: Water is an inorganic chemical substance. It is the main constituent of the hydrosphere of the earth…

Q: The element phosphorus is needed in organisms to builda. proteins.b. carbohydrates.c. ATP.d.…

A: Introduction  All organisms need nutrients to grow. These nutrients are classified into two types:…

Q: What might be the impact to the environment if water molecules losses its polarity

A: Water, which is chemically represented as H2O, is made up of hydrogen and oxygen. Water can exist in…

Q: What is the major consequence of the H- bonding interactions among water molecules? A. Polarity of…

A: Option (e). All of these is the correct answer. Reason: There are many effects of hydrogen bonding…

Q: “Navy coffee” is where the coffee is brewed strong and a bit of salt is added. What is special about…

A: "Navy coffee” is where the coffee is brewed strong and a bit of salt is added. What is special about…

Q: Because water has high specific heat... A. Water can change temperature more quickly than other…

A: Water is an transparent, tasteless, transparent and almost colourless substance which is the main…

Q: The atomic number gives thea. number of neutrons in the nucleus.b. number of protons in the…

A: An atom is defined as the smallest particle of an element. They constitute of neutrons, protons and…

Q: Name and describe two properties of water that make it unique and required for life on earth.

A: The Earth is covered with 78% water. It is the most abundant substance on Earth. The first life…

Q: The second part of the question was asking if there would be any other areas in our body that would…

A: The body works in a specific pH. pH in the body of an individual is an essential factor to…

Q: Mobile phase can be :  A) Solid or liquid B) Only solid C) Only gas D) Liquid or gas

A: Chromatography is a technique that is used to separate different components of a mixture as a result…

Q: Which will consume highest amount of 1₂ to become saturated? Which has the highest melting point?…

A: Saturated and Unsaturated fats Saturated fats are those that have single binds between their carbon…

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: The tendency for water molecules to want to stick together is referred to as

A: The tendency of water molecules to stick together is referred as COHESION. The water molecules form…

Q: Predict the pH of a sample of water if Kw were 10−10 or 10−20.

A: Kw is the equilibrium constant, which is denoted from the formula Kw = [H3O+] [OH-] = 10-14…

Q: Which of the following statements correctly explains why a water molecule is polar? A. Water is…

A: A water molecule is made up of two hydrogen atoms and one oxygen atom.  Water is considered as a…

Q: A Determine how much sodium and similar elements are normally found in the human booy B. Determine…

A: Asked : Reason for element are safe for humans to consume from given options.

Q: Obtain an ice cube and add salt to it. What happens to the area of ice where the salt is applied?…

A: The freezing point of water is 0 degrees celsius, at that point water solidifies to become ice.

Q: waters ability to stick to other polar or ionic things is called?

A: Hydrogen bonds are defined as "not true" bonds similar to covalent bonds & ionic bonds. Hydrogen…

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: Acids are substances that ________.   a. release hydrogen ions   b. absorb hydrogen ions   c. absorb…

A: Substance releases ions such as hydrogen ions Or hydroxide ions when dispersed in any solution.

Q: The show River Monsters (a great fishing show!) had an episode where the host, Jeremy Wade, wanted…

A: Crocodiles regulate their body temperature by a combination of behavior so, when temperature is low,…

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 statement is false? A. Elements are found in compounds and molecules B. compounds are made…

A: The pure substances consisting of only atoms with the same number of protons and cannot be…

Q: Polar biomolecules dissolve readily in water because they can replace more energetically favorable…

A: A solvent is a substance that has the ability to dissolve other molecules and compounds, known as…

Q: People on high-protein diets are advised todrink lots of water. Why?

A: Protein is an essential nutrient that is required to repair damaged cells and also for the growth…

Q: A student conducted an experiment to see how the amount of dissolved salt affects the boiling point…

A: Various factors are involved in determining the boiling and melting point of a substance. It may…

Q: You have a buffer with a pH of 10. You add a little bit of weak acid. What most likely will happen?…

A: A buffer solution resists changes in its pH when small quantities of acid or base are added to it.…

Q: When you mix salad oil and water, they immediately separate because ___.  A. salad oil is a nonpolar…

A: Liquids can be miscible or non-miscible. Miscible liquids get mixed with one another whereas…

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: Which property of water contributes most to the ability of fish in lakes to survive very cold…

A: Water is universal solvent. A water molecule is made of single oxygen and two hydrogen atoms.

Q: The hydrogen ion contained in hydrochloric acid comes from ... a) ... pyruvic acid. b) ... carbon…

A: Hydrochloric acid (HCl) is one of the main components of gastric juice produced by the oxyntic or…

Q: Which of the following statements below is true?

A: Rock salt is a halite which is a mineral and form of common salt called as sodium chloride. This…

Q: The property of water that allows the basilisk lizard to run across the surface is from which of the…

A: First, the basilisk lizards have a special adaptation in their hind legs which makes them run on the…

Q: Explain why vegetable oil and water don't dissolve in one another.

A: Lipids are non-polar biomolecules composed of fatty acids and an alcohol. Some of the lipids have…

Q: Explain why oil does not dissolve in water ?

A: Introduction  Water is a gaseous, liquid, or solid material that is made up of the chemical elements…

Q: In the diagram below, what molecules do A and B represent? 8 WOLONE B A are lipids and B are…

A: Fluid mosaic model of plasma membrane was given by Singer and Nicolsan. This model explains the…

Q: How do you think the cohesive nature of water relates to its evaporation?

A:

Q: Which is true about carbon atoms? a. Each of the orbitals in the second shell has one electron in…

A: Carbon atomic number is 6 which represent the number of electrons and it is non-metal. It has 6…