When a molecule of water dissociates, , H+ and OH- are formed. O 2,2 O 2,1 O 1,2 О 1

Q: number of molecules in 1.0 micromole of water

A: 1.0 mole of water = 6.02 X 1023 molecules

Q: Sodium chloride is dissolved in water to make a _________________________. In here, sodium chloride…

A: Sodium chloride (NaCl) is an ionic compound in which sodium (Na+) and chloride (Cl-) ions are held…

Q: Which form of water has the highest density? They are all the same a O b Ice O c Water vapor Liquid…

A: The density of water changes with changes in temperature and also with changes in salinity.

Q: A) Discuss THREE properties of water B) Explain each of the following in terms of the properties of…

A: Introduction Water is a excellent solvent. Water molecule (H2O) contains two H atoms and one oxygen…

Q: . Consider the following ion series:Mg2+ >Ca2+ >Na+ >K+ >Cl- >NO3-Ions to the left…

A: Hydrated radius or size is defined as the radius of the ion and closely bound water. The ions with…

Q: hen dissolved in water a blank donates H+ and blank  accepts H

A: An acid is compound when mixed in a solution, it releases hydrogen ions (H+). Acid such as HCl is a…

Q: Which one of the following laws for dissolved gases in water is NOT true? O a Warm water can hold…

A: Water is the universal solvent. It is made up of two hydrogen and one oxygen molecule.

Q: Which one is more polar? a. H20 b. CH3COOH

A: The separation of electric charge among the atoms of the given molecule is termed as its polarity.…

Q: The amount of energy needed to raise one gram of water one degree Celsius is calleda. a calorie. b.…

A: BASIC INFORMATION ABOUT ENERGY CURRENCY OF THE BODY  ATP  It stands for Adenosine Tri - phosphate.…

Q: Which of the following is/are true regarding salts? O they are an ionic compound O they are…

A: Salts are ionic compound, molecules ,electrolytes and dissociate in the presence of water.

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: Which water sample would dissolve the most oxygen? O Pure water at 21 C Seawater at 21°C Seawater at…

A: The solubility of oxygen in water is known as dissolved oxygen. It depends upon several factors such…

Q: What is the pH of an Acid? O pH >7 O pH =7 O pH <7

A: A pH is a measure of hydrogen ion concentration and it expresses the acidity or basicity of a…

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: Bubbles of CO2  are formed during the reaction between vinegar, water and Alka Seltzer. Provide an…

A: Alka Seltzer is a tablet that is normally used in so many science experiments, it causes a bubbling…

Q: Which of the following is NOT TRUE about water? It has a high specific heat. O Ice floats in liquid…

A: Water is the most abundant compound that is present on Earth’s surface(71%). In nature, it can exist…

Q: Which hydrogen atom(s) in the following molecule is acidic? (That is, which hydrogen atom(s) will…

A: Answer - option - 3only

Q: A small amount of NaOH is added to a weak acid buffer system. Describe what happens in terms of…

A: Buffer is considered as the solution, which is a mixture of the weak acid and its conjugate base.…

Q: The hydration shell is usually formed in: O a. Nonpolar compound O b. Frozen water O c. Pure liquid…

A: Hydration shells allow particles to be dispersed evenly in water. Water molecules forming hydration…

Q: Hydrogen ions (H+) are ________ .a. in blood c. indicated by a pH scaleb. protons d. all of the…

A: Hydrogen ions (free state) are produced when the hydrogen atom gains or loses electrons and becomes…

Q: Explain the role of water in human body  in the following function: 1. Temperature regulation  2.…

A: The human body contains both inorganic and organic compounds. The inorganic compounds include salt,…

Q: Which of the following is an organic molecule?a. CO2 c. H2Ob. O2 d. C6H12O6

A: Organic molecules are made up of carbon atoms that form long chains or rings.

Q: A buffer donates OH- ions when conditions become too basic and accepts OH- ions when…

A: Buffer is a solution of a weak acid and its conjugate base or weak base and its conjugate acid used…

Q: H,0 Pure water Positive pressure Negative pressure H,0 H20 H,0 Solute A В C

A: Water potential: it is the potential energy of water per unit volume in comparison to pure water…

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: describe the unique properties of water

A: Unique properties of water: Water is capable of dissolving a variety of different substances, which…

Q: As water is chilled, its molecules slow their movement, and H-bonds form and hold water molecules…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 46

A: Ions are the species that are marked with some kind of charge. The charge can be either a positive…

Q: Which mixture acts as buffer solutions? O 50 ml 0.1M H2CO3 and 100 ml 0.1M NAOH 100 ml 0.1M H2CO3…

A: A buffer solution is composed of a weak acid and its conjugate base. The buffer solution resists the…

Q: and they, Compounds that release hydrogen ions in solution are called the pH of the solution. acids;…

A: The pH of a solution is used to predict the acidic and basic nature of the solution. It depends on…

Q: A solution that dissociates and gives up H+ is considered a(n) neutral solution base O acid

A: Introduction A solution is a type of homogeneous mixture that consists of two or more substances. A…

Q: The following items are ions: O Na+, NO2, H+ O CO2, K+, Ca+ Na+, H+, K+ СО2, Н20, NO2

A: The human body contains many ions such as sodium, potassium, calcium, chloride ions.  They are…

Q: r to chemical equation shown here to explain why carbon dioxide dissolved in water acts as a buffer.…

A: Carbon dioxide is important for respiration in a very shape. internal respiration|metastasis} could…

Q: Select all of the statements that are true about a buffer solution. A buffer solution resists small…

A: A buffer is composed of a weak acid and its conjugate base. It means a buffer has acid and its…

Q: In the human body,the -log of the hydrogen ion concentration ([H+]) is regulated by  a. pH b.…

A: The human body naturally has the system to maintain the acidity and basicity of the cells or body…

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: State the relationship between hydrogen ion concentration and PH.

A: pH is the scale which measures the acidity and basic nature of an aqueous solution. pH in…

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: Biology: Discuss the many properties of water H2O? And also give several examples of the important…

A: Water is an essential component of life, life is impossible without water as we know that 1st time…

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: The electrons are unequally shared in and transferred in Multiple Choice Na CI", H20 CH4. N2 02 CH4…

A: The sharing of electrons between atoms of same or different element or transfer of electrons from…

Q: Which of the following statements about pH is (are) true: pH is a measure of free hydrogen ion…

A: PH is measure of hydrogen ion concentration.On Ph scale, Ph from 1-6 indicates acidic ph and from 8…

Q: Is this bicarbonate buffer system or respiratory system controls of acid-base bakance?   Molecules…

A: In biochemistry, pH can be referred as the decimal logarithmic value of the reciprocal of H+  ions…

Q: All ions have at least one ________ (select all that arecorrect).a. proton c. electronb. neutron d.…

A: An ion is an atom/molecule that has a charge (positive/negative/neutral). Protons are positively…

Q: + + NH3 NH3 pk, CH2 CH2 čoQH ČO0- At pH 3.34 will you have more or less ionization of the acid?…

A: Acids are substances that can readily donate a proton. Amino acids are molecules made of an amine…

Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x…

A: pH is the measure of the concentration of hydrogen ions in a given solution. It is measured on a log…

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

A:

Q: 4

A: Ice as well as hot water are less denser than cool water that leads the ice to float on top of…