What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?

Q: Ob) many solvents, but only one solute c) many solvents and many solutes.

A: option a is correct

Q: a patient needs 0.5 moles of sodium chlorine per day , and the IV solution has a 0.9 liters. how…

A: Accurate calculations are essential for healthcare workers to ensure patients receive the proper…

Q: What is the pH of a 0.2 M solution of ammonium nitrate (NH4NO3)?

A: Ammonium nitrate is the salt of a weak base and a strong acid hence it is slightly acidic due to…

Q: What happens when you add a strong base to the solution with a buffer in it?

A: Chemical equilibrium is a state in which change in concentration of reactants and products is…

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: Your patient drank the following liquids for breakfast: 220 ml of orange juice, 180 ml of milk and…

A: Fluid intake is essential for the proper functioning of the body. It helps maintain the balance of…

Q: What is the ideal pH range?

A: higher concentrations of H+ ions

Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…

A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…

Q: What is meant by the term “two-dimensional fluid”?

A: Answer: Introduction: In 1972, Singer and Nicolson proposed the fluid mosaic model of the plasma…

Q: Define buffer.

A: An aqueous solution that comprises of a weak acid and its conjugate base's mixture or a weak base…

Q: You have started with 0.37 g of an unknown acid. You follow the procedure outlined in the video…

A: The scale which is helpful for measuring the acidic nature or basic nature of aqueous solutions is…

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: Ammonia-containing window cleaners are considered pH-neutral substances true or false?

A: As chemicals are dissolved in water, the pH level of the mixture is either acidic or basic. pH level…

Q: What is the concentration of hydrogen ions [H+] in a solution that has a pH of 2? (write out using…

A: The pH, a standard unit that is used to specify whether an aqueous solution is acidic or basic, is…

Q: What is a buffer, and why are buffers important in thebody?

A: Ion regulation system is the system that controls and regulates the concentration of ions that…

Q: Ordinary table salt is sodium chloride. What is baking soda?

A: Baking soda is chemically sodium bicarbonate. Its chemical formula is NaHCO3

Q: Why does buffers is significant inside a human body?

A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…

Q: Convert the following to mL or μl: 700 μl 50 μl (approximately 1 drop of water) 2000 μl 5 ml 3x 106…

A: 1 mL = 1000 µL 1 µL = 0.001 mL

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: You have a 100X stock of a buffer. You need 100 ml of 1X buffer.  How much buffer solution do you…

A: Stock solutions of the standard concentration are present in the laboratories. Using these stock…

Q: What is the pH of a 0.00550 M solution of HCl?

A: Strong acids completely disassociated into ions in solution but weak acids do not. The pH of the…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: why is the cp of solids lower than that of liquids

A: Cp is the specific heat. Specific heat of a solid or liquid is the amount of heat that raises the…

Q: Give a name for the following: A solution that moderates changes in pH. Answer:

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

Q: How do buffers work?

A: Buffers are the solutions which resist the change in pH even after the addition of small amount of…

Q: Why do we want to know the pH?

A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…

Q: What happens to pH of buffer solutions when small amounts of acid and base is added?

A: A buffer is a solution containing a strong acid and its conjugate base or a weak bases and its…

Q: Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of…

A: Analyze: We are asked to determine the pH of a solution prepared with a strong electrolytes that…

Q: Is a solution highly concentrated if it is saturated? Is a solution saturated if it is highly…

A: A saturated solution is a solution in which the solvent cannot dissolve any more solute to increase…

Q: What is the pH of a 0.0025 M solution of HCl?

A: pH is the quantitative measure of the acidity or basicity of aqueous or other liquid solutions. and…

Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?

A: Hydrobromic acid, HBr is  an extremely strong acid, one that ionizes completely ionizes completely…

Q: What Are Buffers, and What Do They Do?

A: Buffers : A buffer is a solution of a weak acid and its conjugate base that has the ability to…

Q: if pH level of solution changes from pH 5 to pH 2, how much acidity increased in that solution and…

A: pH is the scale that indicates whether an aqueous solution is acidic or basic.  Mathematically, pH =…

Q: What is the effect of adding a small amount of a strong acid or strong base to the acidity of a…

A: Acids are substances that are capable of donating hydrogen to other substances. Acids are also…