Lipids are soluble in O A. Organic solvents O B. Non-polar solvents O C. Acetone O D. Chloroform E. All of the other choices are valid

Q: An organic compound with no attached functional groups is best described as a hydrophobic molecule.…

A: Organic compounds are rich in carbon and hydrogen. Apart from carbon and hydrogen they may also…

Q: In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some special…

A: 1) It acts as a stable medium for biochemical processes. Water’s ability to dissolve most…

Q: Compounds having an affi nity for water are said to bea. cohesive. c. hydrophobic.b. hydrophilic. d.…

A: b) hydrophilic

Q: An organic compound with no attached functional groups is best described as a hydrophobic molecule…

A: Bioorganic chemistry, which incorporates organic chemistry and biochemistry, is an increasingly…

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: Compounds good at forming hydrogen bonds tend to O have low boiling points O be hydrophobic O have…

A: Introduction: Option 5 is correct.

Q: 5) Decide on the most likely mode of denaturation for each of the following compounds... a) hexane…

A: Denaturation is the process of the breaking the linkages or bonds that are formed in the compounds…

Q: During extractions, it is common to add a dessicant/drying agent (such as magnesium sulfate) to…

A: Drying agents, also called as desiccants, play a major role in removal of water and other polar…

Q: A medicine has to be prepared exactly at pH 7 (same as pure water). Acidic ingredients are going to…

A: The solvent is the medium, in which a substance (solute) is added to dissolve into it.

Q: Which is NOT an appropriate factor in choosing solvents in a mixed solvent system? a. The two…

A: The correct answer for non appropriate factor in choosing solvents in a mixed solvent system will…

Q: PCopper oxide (Cu2O) was added to detect the presence of Peptide bonds .a O Nucleic acids .b O…

A: The fehlings reagent solution is used to detect the presence of aldehydes and due to the reducing…

Q: This highly unstable agent can react strongly with DNA and proteins.  a. ethylene oxide  b.…

A: Deoxyribonucleic acid (DNA) is the hereditary material in humans and almost all other organisms,…

Q: The most important peculiarity of water when compared to other solvents is that water has إختر أحد…

A: Water is a polar molecule  and it is called the universal solvent

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: 9. What bonds are affected by: а. Нeat b. Organic solvents c. Metallic salts d. Alkaloidal reagents…

A: Proteins are composed of amino acids linked by peptide or amide bonds (covalent), which form the…

Q: _7. Which of the following FA has the lowest melting point? A. Stearic acid B. Palmitic acid C.…

A: A fatty acid is a molecule that is composed of a long hydrocarbon chain attached to the carboxylic…

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 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: The centrifuge machine is used to separate molecules based on their: O a. Reactive properties O b.…

A: For the separation of different biological components and molecules, the centrifugation is commonly…

Q: Why is water considered "the universal solvent"? O a Water is considered the universal solvent only…

A: Water is considered as universal solvent because it can dissolve any polar or non polar subtances.…

Q: A biochemist has 100 mL of a 0.10 M solution of a weak acid with a pKa of 6.3. She adds 6.0 mL of…

A: The buffer systems act in blood plasma consisting of phosphate, bicarbonate, carbonic acid, and…

Q: 20 mL solution is 2 M NaOH. If 0.5 M HCl is to be added to this solution, calculate the pH of the…

A: pH is the negative logarithm of hydrogen ion, used to measure the acidity and basicity of the…

Q: 39. Which is correct about Gutta-Percha rubber: (a) A very hard material (b) A synthetic polymer (c)…

A: Among the given options, option (c) and (d) is correct.Gutta-percha is basically a thermoplastic…

Q: used as a what would be the ratio of conjugate base to weak acid in a pH 7.00 C Choose the on

A: Cysteine is a sulfur containing  amino acid. Given, pKa's of cysteine 1.92, 10.70 and 8.37 Amino…

Q: When one handles fish, your hands often retain a "fishy smell" due to the organic amines, molecules…

A: The fishy smell in hand is caused by the conversion of the fish molecule Trimethylamine N-oxide…

Q: What forms around a non-polar molecule in an aqueous environment? a. clathrate b. hydroclath c.…

A: Non-polar molecules, electrical charges are evenly distributed. Non-polar molecules are symmetric.…

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: . A substance capable of dissolving freely inwater isa. hydrophilic.b. hydrophobic.c. hydrolyzed.d.…

A: Water is a universal solvent as it can dissolve most substances. It is polar in nature and dissolves…

Q: A conjugate acid-base paira. acts as a buffer.b. can combine with H+ in a solution.c. can release H+…

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: A solution with a pH of 2 has a hydrogen ion concentration that is _______________ the hydrogen ion…

A: pH is a measure of the negative logarithm of the hydrogen ion concentration.  Given Values: pH = 2.0…

Q: Which of the following are solutions?(a) Italian salad dressing(b) Rubbing alcohol(c) Algae in pond…

A: The term mixture in chemistry is defined as a material. It is made up of two or more different…

Q: II. Arrange the following compounds in order of increasing: A. boiling point B. acidity C.…

A:

Q: The salt of diclofenac, a nonsteroidal anti-inflammatory drug (NSAID), has a chemical formula…

A: Diclofenac is a non-steroidal anti-inflammatory, an analgesic drug used to relieve pain and swelling…

Q: D. False How much of ethanol you need to prepare 25% (v/v) ethanol solution Select one: O a. 75 ml…

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

Q: (a) A homogeneous mixture which contains water as a solvent is called (b) Ni(CIO4)2-6H2O is hydrated…

A: Mixture is the physical combination of two or more substances, where the identities are retained and…

Q: What is the concentration in % (w/v) of a solution prepared from 50.0 g NaCl and 2.5 L of water? A.…

A: Percentage: The calculation of percentage is one of the simplest and most useful of mathematical…

Q: During the breakdown of polymers, which of thefollowing reactions takes place?a. hydrolysisb.…

A: Polymers can be defined as the long and repeating chain of molecules  which possess unique physical…

Q: Buffers are aqueous solutions that tend to resist changes in pH when small amounts of strong acid…

A: Buffer tries to maintain a constant pH , however when strong acid or base is added there is change…

Q: Saturated fats have all of the following characteristicsexcept:a. they are solid at room…

A: Fats are of two types- saturated fatty acids and unsaturated fatty acids. Saturated fatty acids have…

Q: 7. Which of the following is a valid buffer? A. 0.30 M HNO, and 0.30M NANO, B. 0.20 M HF and 0.10 M…

A: Buffers are solutions that do not alter pH when diluted or when tiny volumes of acids or alkalis are…

Q: Which one of the following statements about a molecule of acetonitrile (CH,CN) is TRUE? Select one:…

A: Chemical bonds are simply electrostatic attractive forces between atoms. There are mainly 3 types of…

Q: A, high specific heat B. adhesion C. polarity D. high heat of vaporization Lu budrogenating…

A: Ans 5: - Water is a good solvent because of it's Polarity. The relatively small size of a water…

Q: A chemical with sporicidal properties isa. phenol b. alcohol c. quaternary ammonium compound d.…

A: The organic substances having –CHO functional group which is a strong reducing group on the end…

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: Which of the following WILL PROMOTE sol formation of neutral polysaccharide sample?   a. place the…

A: Polysaccharides are used for hydrogel formation nowadays which is diversely used in the field of…

Q: (c) The figure below shows the measured osmotic pressure, II / c, against the mass concentrationc of…

A: Osmotic pressure is widely used for the determining molecular weights of large molecules such as…

Q: student performs a separation by TLC on a silica get plate that results in three spots. A red spot…

A: Introduction:  Thin-layer chromatography (TLC) is an important technique for the identification and…

Q: the pH of a solution is decreased from 9 to 8, it means that the A) concentration of H+ has…

A: pH is a measurement that is used to specify acidity or basicity of an aqueous solution. The range of…

Q: When you mix oil and water they immediately separate because*a). Water is too good for oil b). Both…

A: Principle of Solubility states that like dissolves in like In this  light the polar solute dissolves…

Q: All of the following are lipid except. A. Waxes B. Oils C. Butter D. Ether

A: Lipids are organic molecules which are insoluble in water. Lipids include waxes, fats, oils and…