Which of the following statements below is true?

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: Explain how a phosphate buffer neutralizes added acid and base in a biological system

A: There are four buffer systems in the biological system to maintain the homeostasis, they are 1.…

Q: A saline solution (used in intravenous drips for patients who cannot take oral fluids) contains…

A: The normal saline is 0.9%. This means that there is 0.9 g of salt (NaCl) per 100 ml of solution, or…

Q: You are studying the effect of different drinks on tooth enamel. In your experiment you place pieces…

A: Different types of drinks are chosen for the experiment. Time is recorded for each drink to dissolve…

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: Explain acid deposition. Your explanation should include the following: The sources of acid…

A: Air pollution is the addition of particles, gases, and chemicals into the atmosphere that have the…

Q: two of these statements are truths and one is a lie. Which of the following statements is a lie? a.…

A: pH is negative log of H+. pH is a scale used to specify the acidity or basicity of an aqueous…

Q: Which of the following electrolytes are absorbed only when needed a. Iron O a O b b. Calcium c.…

A: Introduction - Electrolytes are substances that, when dissolved in water or other solvents, can…

Q: What effect is observed on the pH of the blood in each of the following cases? a. [HCO 3−]…

A: Carbon dioxide is major gaseous waste product released a result of metabolism. The carbon dioxide is…

Q: Which of the following is FALSE when the concentration of the buffer solution was increased? a. The…

A: Buffer solution:  a. Buffer solution is made up of two substances which consist of a conjugate base…

Q: Adding HCO3 to a solution will cause the concentration of H* to - and the pH to. Select one: O a.…

A: pH is defined as the negative logarithm of hydrogen ion concentration.  pH= -log [H+]

Q: What are the two components of a buffer system? How does a buffer work to hold pH nearly constant?

A: Buffer is an aqueous solution consisting of a weak acid or a base and its conjugate base or an acid.…

Q: You can elute the bound proteins from the Diethylaminoethyl (DEAE) sepharose column by A. increasing…

A: Diethylaminoethyl  (DEAE) sepharose is a positively charged resin used in ion-exchange…

Q: Use the solubility rules to determine if NaCl will react with MgBr KOH will react with NaClI MgS…

A: A reaction is said to occur if there is a formation of an insoluble solid or a precipitate(s) or a…

Q: Buffers are mixtures of a weak acid and a weak base that combine with a strong acid or base to limit…

A: A solution is a homogeneous mixture of two or more things. The minor component of a solution is…

Q: Which of the following statements is TRUE? A. Water and electrolytes move across the cell membranes…

A:

Q: Does the H+ concentration increase or decrease when the pH drops from 5 to 4?

A: The pH is the power of Hydrogen and is used as a measure of the acidic or basic character of a…

Q: functions that water performs in the human body

A:

Q: Which of the following O The capacity of a buffer increases with increasing (Acid) and (Base) Ohe pH…

A: An acid is a chemical substance that donates a proton or hydrogen ion (H+) to another substance or…

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: Which of the following is the weakest acid? Select one: O a. pka=4.02 O b. pka=4.76 O c. pka=3.55 O…

A: The stronger the acid and the weaker the base will be, the bigger the value of Ka. The base will be…

Q: 16) What is true about pH? a. acids are a pH less than 7 b. bases are a pH greater than 7 c. water…

A: Acids are those substances which are sour in taste. They can donate proton ions in solution. Based…

Q: Diabetes can cause a decrease in the specific gravity of urine. If normal urine has a specific…

A: Diabetes mellitus is a condition in which the concentration of glucose level in the blood is high…

Q: Imagine that I added 5 drops of lemon juice (an acid) to two solutions of water. Solution 1: pH 7,…

A: By the measurement of pH of the solution we can conclude the the nature of the solution. If the pH…

Q: How does the experiment of Acid-Base Equilibria relate to our daily life activities? How also…

A: Acid-Base Equilibria is a fundamental concept in chemistry that helps us understand the behavior of…

Q: Sodium bicarbonate has a(n) ___________________pH value compared to hydrochloric acid.   A. Higher…

A: Sodium Bicarbonate has a pH value of 8.4. It is alkaline.  Hydrochloric acid has a pH value of…

Q: What would happen to a human red blood cell if it were placed in the following solutions? Explain…

A: Given: Need to find what happens if the human blood is placed in the following solution a. 0% NaCl…

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: . An analysis water from well No 9 of the Manhattan beach, California, water composition showed :…

A: Here the cations are:  Calcium, Magnesium, Potassium, Sodium here the anions are: Silica,…

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: Compare the values below. Which is greater, or are the two values equal? A. Solubility of uric acid…

A: Ammonia and uric acid are form of nitrogenous waste that gets eliminated out from the body by…

Q: With the principles of GFC, which of the following statements is incorrect? a. For small molecules,…

A: Chromatography and SDS-PAGE both are used to separate and purify the protein and non-protein parts…

Q: Which of the following description is correct? * A. A solution consist of a solvent dissolve in the…

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

Q: magine you have 3 beakers of water. the water temp in beaker 1 is 0c, beaker 2 is 24c, and beaker 3…

A: Diffusion is a physical process that refers to the net movement of molecules from a region of high…

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: The inside of a cell contains several buffers. These buffers help ensure that Select one: a. pH…

A: The solution, which is chemically composed of a mixture of a weak base and its conjugate acid or…

Q: Ammonia, NH3, is toxic to a wide range of aquatic organisms including snails, insects, and fish. The…

A: The equation establishing the relationship between ammonia (NH3) and ammonium (NH4+) in water is as…

Q: What is the concentration in % (w/w), of a solution prepared by mixing 50.0 g NaCl and 150.0 g…

A: The weight by weight percentage of 50.0 g of NaCl in 150.0 g of water = (weight of NaCl/ weight of…

Q: The greater the pKa of an acid, the _________ the acid is.   Stronger or weaker?

A: Introduction: The pKa value is one technique used to show the strength of an acid.