A daring chemist opts to taste five unfamiliar chemical solutions to identify their properties. Presented below is a table detailing her findings.  taste 1 - bitter , taste 2 - sour, taste 3 - sweet, taste 4 - bitter, taste 5 - sweet Based on this data, which of the following assertions is more probable? a. Solutions #1 and #4 contain the same chemical b. Solutions #3 and #5 contain the same chemical c. Solution #2 likely has a high pH value d. Solution #4 likely contains Na+ ions

Q: Which of the following stability factors would affect the acidity or alkalinity of an IV solution?…

A: When discussing pharmaceuticals and chemical solutions  the term "stability factors" refers to a…

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: Which of the following chromatographic techniques has an attached ligand on the stationary phase?…

A: Chromatography is a laboratory technique that is used to separate components, or solutes, of a…

Q: Answer Bank An X-ray photon unique to the element composition of the atom is released. An EDS…

A: First an electron from the SEM strikes an atom in the particle causing an inner core electron to be…

Q: When reacted, how does the use of potassium (K+) vs sodium (Na+) change the soap product?

A: Saponification is a biochemical process which deals with the conversion of  oil, lipid, and fats…

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: Which of the following is not a characteristic of a primary standard material a. High molecular…

A: Standards are certain materials whose concentration is known to us from before. These standards are…

Q: Why does adding acetic acid to the milk improve the extraction efficiency of the pentobarbital? You…

A: In liquid–liquid (solvent) extraction, the solute partitions itself between two immiscible phases.…

Q: What will you observe when samples of these fats and oils are tested for unsaturation with bromine…

A: Fatty acids are building blocks of fats. Fats are one of the major biomolecules. Fatty acids can be…

Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 19.μmol of barium…

A: Concentration of solution refers to the abundance of solute particles in the solution. It can be…

Q: You find a vial of clear, unknown sample in the freezer of your lab. The easiest way to determine…

A: We have to find the easiest way to determine the presence of proteins in a sample vial.The given…

Q: Using a chart, predict the results of all 4 macromolecule tests for the following substances: egg…

A: Macromolecule are very large molecule . It made up of thousands covalent bonds.

Q: Make a conclusion: pH = 7,25 pCO₂ = 75 mmol/l SB= 27 mmol/l BB = 49 mmol/l BE = 2,5 mmol/l

A: pH is below normal values so its acidosis  PCO2 is above normal values so its cause is respiratory…

Q: The level of omega-3 fatty in a certain brand of fish oil capsule has been disputed. A chemist…

A: In the above given condition, the fish oil capsules are the samples and the omega 3 fatty acid is…

Q: Make a conclusion: pH = 7,15 pCO₂ = 25 mmol/l SB = 11 mmol/l BB = 27 mmol /l BE = -17 mmol/l

A: Acidosis is a condition marked by an elevated acid content in the blood and a pH of less than 7.35.…

Q: Imagine you have an oil/water mixture where the oil is non-polar and the water is polar. Your friend…

A: As it is known that water is a polar solvent and oil is nonpolar.

Q: Choose the best answer for following question. Hydrogen bonds are formed as a result of which of the…

A: Hydrogen bonding is an essential part of biomolecules including three main macromolecules in…

Q: A student performs an experiment to determine whether 1 gram or 1 gram of salt dissolves more…

A: The process by which two substances react with one another gives a new product is known as a…

Q: ing an experiment to test water from various sources for the presence of lead (a heavy metal that…

A: It is the cause that is the independent variable. Its value is unaffected by the other study…

Q: Let's say that you have a green solution that is made up of a mixture of a yellow chemical and a…

A: Beer Lamberts' law relates the concentration of a solution and the light absorbed by the solution.…

Q: You made a buffer solution by combining 250.0 mL of a 0.20 M sodium acetate solution with 50.0 mL of…

A: Given Values: Volume and concentration of the sodium acetate = 250 m and 0.20 M Volume and…

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: Propose a practical use where you might want to use an indicator to determine the pH of a solution…

A: pH is a scale used to determine the acidity or basicity of a solution. Acidic solutions are…

Q: Given what you know about chemistry and biology, do you think medications need to be polar or…

A: Polar and non-polar describe the distribution of electric charge in a molecule. A molecule is polar…

Q: This result shows the reaction time of the effects of betelnut and alcohol on humans. Interpret and…

A: Approach to solving the question:Read and understand the instruction.Analyze the table.Interpret the…

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: Benedict's solution tests for the presence of molecules made when amino acids have been joined…

A: The given statement is false. So, the correct answer is option B. False.Benedict's solution does not…

Q: A solution is made by mixing 56.9 g of water and 23.8 g NaCl. What is the concentration of NaCl in…

A: Given Values: Weight of the water = 56.9 grams Weight of NaCl = 23.8 grams

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: Consider a buffer solution that contains 0.55 M NH2CH2CO2H and 0.35 M NH2CH2CO2Na.…

A: NOTE: since you have asked multiple question, we will solve the first question for you. if you want…

Q: for each choice, the item in front of the semicolon (;) goes into the first space. the item behind…

A: pH is a scale used to specify the acidity or basicity of an aqueous solution. Water has a neutral pH…

Q: A solution that conducts electricity must contain Select one: a. Hydrophobic molecules b. Polar…

A: The nervous system functional unit is nerve or neuron. Neurons classified into three types based on…

Q: Notice that the difference between the freezing and boiling point of water is 180 degrees in the…

A: The temperature of a body is measured using different scales such as Celsius,  Fahrenheit and…

Q: A student is designing an experiment to test water from various sources for the presence of lead (a…

A: For performing any scientific experiment the construction of hypothesis, selection of dependent…

Q: Marissa is working with a solution that is very acidic. When she tests the solution with pH paper,…

A: pH scale :  7 is neutral,  more than 7 is basic pH and less than 7 is acidic pH. Acidic solution :…