Which of the following is/are true regarding salts? O they are an ionic compound O they are molecules O they are electrolytes O they dissociate in the presence of water all of these

Q: Which of the following elements is or are common to both lipids and proteins? A. Carbon only B.…

A: A macromolecule is an enormous particle, like a protein. They are made out of thousands of…

Q: Which of the following materials will have the greatest effect on colligative properties of a…

A: Pure water and solutions of ionic or covalent compounds behave differently in their physical…

Q: When comparing pH, a solution with a pH of 5 contains 100 times the amount of H+ when compared to a…

A: pH of a solution is nothing but the negative log of hydrogen ion concentration in a solution . it…

Q: There are several different units that biochemists use to describe the concentration of a solution.…

A: BSA means bovine serum albumin. Given Values: Mol. wt of BSA = 80000 Dalton or 80 kD Weight of the…

Q: Water molecules are characterized by several properties, which of the following is not a property of…

A: Water is colourless, odourless and tasteless liquid essential for all living organisms. The boiling…

Q: What us the formula for pH? note [H+} is hydrogen ion concentration and [K+] is potassium ion…

A: Introduction pH is a measuring scale which is used to determine acidity or basicity of a solution.…

Q: The hydration shell is usually formed in: O a. An aqueous solution with dissolved substances O b.…

A: Polar molecules are those which are soluble in water through the formation of hydrogen bonds.…

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 test for starch in water is   A. silver nitrate.   B. iodine.   C. barium ions.   D.…

A: Starch is a homopolysaccharide molecule that was composed of alpha-D-glucose units in 1-4 and 1-6…

Q: A buffer solution comprises which of the following? O a. Astrong acid in solution Ob. Aweak acid and…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: A pH of 3 is a. basic b. neutral c. acidicd. a buffer

A: Introduction pH plays and important role in determining the concentration of H+ ions in the…

Q: A solution at pH 4 is _____ times as _______ as a solution at pH 7.

A: A solution at pH 4 is _____ times as _______ as a solution at pH 7. A pH of 7 is neutral. A pH less…

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: An acid is a substance which raises hydrogen ion concentration O has a pH of 13 O has equal number…

A: Acid It is a substance or compound that release hydrogen ion(H+) when in solution. In strong acid…

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: What determines whether a substance is an acid or a base? Brieflyoutline the pH scale.

A: pH is the figure that represents whether the given solution is acidic or alkaline on a logarithmic…

Q: If an argon atom is neutral, it contains 18 protons and it also contains 18 electrons. O True False

A: An atom has an equal number of electrons and protons, Thus, it has an equal number of negative…

Q: The pH of a solution is an abbreviation conveying what information about that solution? A solution…

A: More the dissolved H+ ions more acidic is the solution, and if the number of dissolved OH- ions…

Q: Which of the following ionizes completely in solution and is considered to be a strong acid? Select…

A: Acid  Acid are those compounds which give hydrogen ion when dissolved in water.

Q: The following is a property of acids, bases, or neither ? Tastes bitter and feels soapy OA. acids B.…

A: Acid is a chemical compound which gives H+ when dissolved in water while base gives OH- when…

Q: Which of the following ingredients in Ding Dong Cakes are added for the purpose of maintaining pH…

A: Cake or Ding Dong cake is form of sweet food made from flour, sugar, and other ingredients.

Q: Which of the following solutions is the most acidic? A. soda drink, pH 2.5 B. tears, pH 7.5 C. rain,…

A: The pH scale measures how acidic an object is. The scale has values ranging from zero (the most…

Q: A solution with a pH of 2 than a solution with a pH of 8.a. has less H+b. has more H+c. has more OH−

A: pH is a negative lot of hydrogen ion concentration.

Q: Elements are.. O A pure substance When there is more than one atom O Made of two or more substances

A: The matter is made up of chemical substances that occupy space and it consists of a particular mass.…

Q: Magnesium has an atomic number of 12 and an atomic mass of 24. Which of the following statements is…

A: Magnesium is a chemical element with the symbol Mg and atomic number 12.

Q: As pH increases, there is increasingly more H+ than OH-

A: The pH of a solution is the log of hydrogen ion concentration with a negative sign. pH = -log (H+)…

Q: If an atom has an atomic number of 6 and an atomic mass of 14, that means it must have _____…

A: The atomic number is the number of electrons present in an atom.  The atomic mass number is defined…

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(n). is the smallest unit of an element that retains all the properties of that element. O molecule…

A: Elements are substances that cannot be further broken into particles. An element consists of types…

Q: Which of the following liquid substances exhibit the highest viscosity at 25 ºC? A.…

A: Organic molecules are molecules made of carbon, hydrogen, and oxygen. The organic molecules are…

Q: Define the following terms: a. hydronium ion b. acid c. base d. Ka e. pKa

A: In the solution, when a compound reacts, there is a formation of the product. In the chemical…

Q: What type of bonds occur BETWEEN water molecules? OPolar covalent Non polar covalent Hydrogen O…

A: Water molecule consists of two atoms of hydrogen linked to the same atom of oxygen.

Q: rochloric acid Lemon Apple Banana Water Baking soda Drain cleaner Ammonia 12 3 14 Most acidic Most…

A: A solution having a pH value below than 7 is known as an Acidic Solution whereas a solution whose pH…

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: What are the features of acids, bases, and salts that cause scientists to refer to them as…

A: Water is a polar compound that forms the base of all fluids in the world. This compound is made of…

Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…

A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…

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: In a base, the hydrogen ion concentration is ____ than the hydroxide ion concentration.

A: In case of water, H+ and OH- concentration is equal. As the ionic product of water at 298 K is 1 x…

Q: How acidic or basic a solution is can be represented as a number on the pH scale. What is the number…

A: pH It is a scale that is used to specify the acidity or basicity of an aqueous solution having the…

Q: This atom (group) is removed and converted to an ammonium ion, which ultimately is excreted from the…

A: The organs involved in the human excretory system make it easier to remove nitrogenous waste…

Q: Which pH value indicates a solution that has more hydrogen ions that hydroxide ions? pH 9 pH 4 pH 7

A: The pH scale is the logarithmic scale that measures the hydrogen ion concentration. It indicates…

Q: Pure water has a pH of 7, the point at which the concentrations of hydrogen ions and hydroxide ions…

A: pH is defined as the negative log of the hydrogen ion concentration. It ranges from zero to seven.…

Q: Why is table salt, sodium chloride, almost never considered as an ionic compound, but as individual…

A: The salt that is most essential for the brackishness of seas and is also the major component of the…

Q: what is the pH of a 0.0250 M solution of calcium Hydroxide? A) 12.40 B) 1.60  C) 1.70 D) 12.30

A: pH of a solution represents amount of hydrogen ions present in the solution which in turns…

Q: Describe the way an ionic solid dissolves in water

A: Ionic compounds are ones that are made up of oppositely charged atoms, known as ions, that are…

Q: Substances those are partially dissolved in water are commonly known as

A: Molecules that are dissolved in water completely are called polar substances. Polar molecules get…