Four of the five answers listed below are characteristics of water. Select the exception O 1. Water stabilizes temperature O 2. Water is an excellent solvent. O 3. Water has cohesion and surface tension. O 4. Water produces salts. O 5. Water is less dense when solid.
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: Compounds having an affi nity for water are said to bea. cohesive. c. hydrophobic.b. hydrophilic. d.…
A: b) hydrophilic
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: Which of the following is responsible for the cohesive property of water? A Hydrogen bonds between…
A: Water is directly and intimately involved in all detail of animal physiology, but because it is so…
Q: in a solution, the solvent is: A) always a gas B) always water C) the substance that is…
A: A solution is a uniform and stable mixture of solute and solvent. Solute particles are invisible in…
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: Solid particles from broken apart plant and animal cells suspended in water. A. Jellies B. Foam…
A: We are authorized to answer one question at a time since you have not mentioned which question you…
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: 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: 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: Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this…
A: pH is a measure of the acidity or alkalinity of a solution. The pH value states the relative…
Q: Amount of water added (mL) Amount of Stock Solution (mL) Final Concentration A Solution 1 0.…
A: The concentration of unknown solution can be calculated from the formula C1V1= C2V2 Where C1=…
Q: A can of cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes…
A: Answer - Cola consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes…
Q: Which of the following is the most basic? A. Group of answer choices B. Ocean water (pH 8) C.…
A: Introduction pH plays and important role in determining the concentration of H+ ions in the…
Q: The ability of a solution to resist pH changes is called its____________________.
A: The solutions which resist pH changes in a specific range are known as buffers. If small amount of…
Q: In a solution of NaCl and water, NaCl is the and water isthe .a. acid, baseb. base, acid c. solute,…
A: NaCl (sodium chloride) is the salt produced by the strong acid HCl and strong base NaOH. The aqueous…
Q: In less than 3-5 sentences, explain the following attributes of water that makes it a polar solvent:…
A: Introduction: A water molecule is made up of three atoms which include one oxygen and two…
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: Which of the following is not a deprotonated substance: a) KOH b) LiOH c) HA d) B
A: Protonation is the addition of proton and deprotonation means the removal of the proton.
Q: Which two statement about the substances in this experiment are true? A. Chalk is harder than…
A: Chalk is a sedimentary carbonate rock formed of the mineral calcite, is a soft, porous form of…
Q: In not more than 10 sentences, discuss briefly why is water called the universal solvent?
A: Water is an inorganic solvent with molecular formula H2O, made up of two hydrogen atoms and one…
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: “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: Which of following is not true about water? Group of answer choices it has a low heat of…
A: Water is a gaseous, liquid, and solid material made up of the chemical elements hydrogen and oxygen.…
Q: Explain why water forms nearly spherical droplets on the surface of a freshly waxed car. Why doesn’t…
A: Water is considered as a polar solvent, which is hydrophilic in nature. Due to its hydrophilic…
Q: Describe the properties of water that are critical to maintaining life Include a discussion of…
A: Water most important element on earth without that life on earth can not be possible, without water…
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: Define the following terms:a. polarb. hydrogen bondc. electrostatic interactiond. salt bridgee.…
A: Intermolecular forces help in the stabilization of the molecules. All the biological molecules are…
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: 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: 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: Describe the special properties of water that make it vital to living systems, including: polarity,…
A: Water is about 50%-65% in an adult human body. It is the most important compound our body need.
Q: Which one of the following is universal solvent? Select one: Ethanol Acid Water Methanol
A: A solvent is a substance that has the ability to dissolve solutes. The mixture of solvent and solute…
Q: description Cohesion Adhesion a. Easily dissolves other polar substances b. Moderation of…
A: The amount of heat required to increase the temperature of one gram of a substance by one degree…
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: From your data in Table 8.2 choose the correct pH for household chemical listed here. pH 6 purple pH…
A: The pH is considered as the scale, which is used to specify the basicity as well as the acidity of…
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: 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: Matching: Some words will be used more than once! 11. Alloy a. gatorade 12. Aqueous solution b. salt…
A: A mixture is a substance which contains two or more substances in it. The properties of the…
Q: Rank as to pOH acidity Samples pH [H1 [OH] Rank as to basicity VINEGAR 2.5 ΑΜΜΟΝΙΑ LEMON JUICE 1.5…
A: pH of a solution = -log [H+]. pH is the measure of acidity of a solution. A solution is acidic if…
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: Which of the following is MOST soluble in polar solvents? A H3C LOH В с D В OD Oc О А H3C. HO л HC…
A: In the given image, structures A, B, and C represents fatty acids. A is a saturated fatty acid.…
Q: Substances those are partially dissolved in ... water are commonly known as اختراحد الخيارات a.…
A: Water solubility is a measure of the amount of chemical substance that can dissolve in water at a…
Q: D. * 3. Describe what it means that water has A. High cohesiveness, B. high adhesiveness, C. a…
A: Water is a substance that is composed of the chemical elements hydrogen and oxygen. It exists in…
Q: If a solution has an activity cofficient <1, which is true and why? -solution will not experience…
A: If a solution has an activity cofficient <1, ions must be present.
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- v Question Completion Status: Moving to another question will save this response. Question 2 What is formed when an atom loses or gains an electron? O a. ion b. bond O C. molecule d. a new element e. isotope > A Moving to another question will save this response. ENG 4) G I HO 10% Ethanol QUESTION 2 When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of these is not part of them? O 9.12 pH 4.01 pH 7.00 O pH 9.21 Cack Save and Submit to save and submit. Click Save All Answers to save all answers.Bubbles of CO2 are formed during the reaction between vinegar, water and Alka Seltzer. Provide an argument for why the CO2 molecules do not remain in the solution.
- A chemist prepares a solution of barium chlorate BaClO32 by measuring out 19.μmol of barium chlorate into a 300.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /μmolL of the chemist's barium chlorate solution. Round your answer to 2 significant digits.A chemical with sporicidal properties isa. phenol b. alcohol c. quaternary ammonium compound d. glutaraldehydeA Moving to another question will save this response. Question 3 Which of the following is(are) classified as true chemical bonds? O a. hydrogen only O b. ionic only C. covalent only d. both ionic and covalent e. hydrogen, ionic and covalent L A Moving to another question will save this response. A:-1 ENG 4) HUAW
- An aqueous solution of manganese(II) iodide has a concentration of 0.189 molal. The percent by mass of manganese(II) iodide in the solution is Submit Answer Retry Entire Group 9 more group attempts remainingFrom your data in Table 8.2 choose the correct pH for household chemical listed here. pH 6 purple pH 4 darker 1. Lemon juice pink 2. Mr. Clean pH 10- 12 3. Shampoo bluish green 4. Baking soda solution pH 10 teal or blue 5. Vinegar pH 2 lighter pinkThe pH of a solution is 7, what is the H+ concentration? Group of answer choices 1 x 10e-7 M 1 x 10e-3 M 1 x 10e-8 M 1 x 10e-9 M
- A medicine has to be prepared exactly at pH 7 same as pure water. Acidic ingredients to be added. What type of solvent media of the reaction you will use and why? Answer within 5 sentences.Based on the observations, answer the questions below: Part 2 Note: It is not graded assignment 4. Out all the solutions, which ones were bases? What experimental evidence supports your findings? 5. Out all ithe solutions, which ones included salts? What experimental evidence supports your findings? 6. Could electricity be transmitted by tap water? Why, in your opinion, did it or not?Match the concept in column A to the concept in column B. Write the letter of the correct answer on the blank provided. A В a. they dissolve in water but do not release ions 1.Aristotle 2.Robert Hooke b. react with water to produce ions. c. act as an enzymes. 3. Antonie van Leeuwenhoek d. parts of 2 different kinds of molecules trade 4.nonelectrolytes positions with one another e. organic substances that control cellular 5.monosaccharides activities in a very special way. f. responsible for about two-thirds of the weight of an adult human g. classified animals based on the presence of blood. h. molecular formula i. Initially discovered the cell. 6.proteins 7.isotopes 8.exchange reaction 9.nucleic acids j. galactose k. sucrose 10.water I. atoms with the same atomic number but different atomic weights.