Q: Why do you think a weak acid/weak base chemical buffer system is effective at regulating blood pH?
A: A buffer is an aqueous solution that prevents any change of pH when acids or bases are added. It is…
Q: which of the following is a characteristic of a buffer? a. The pH will go down significantly when…
A: Buffers are solution which resist the change in pH upon addition of acidic or basic compoents.
Q: What happens when a pressure greater than the atmospheric pressure is applied to pure water or a…
A:
Q: Which of the following is the reason why water freezes?
A: The correct answer is option C. Its temperature is decreased.
Q: What is insensible water?
A: Water is one of the most important compound needed for the survival of life on earth.
Q: Describe how to calculate pH from the concentration of H+ or OH−.
A: PH is defined as the negative log 10 of hydrogen (H+) ion concentration in the aqueous solution.
Q: What would happen to the pH of your soap if you washed the precipitated soap in twice as much volume…
A: pH is the expression of negative logarithm of hydrogen ion concentration in a solute or solvent. pH…
Q: What us the formula for pH? note [H+} is hydrogen ion concentration and [K+] is potassium ion…
A: Introduction pH is a measuring scale which is used to determine acidity or basicity of a solution.…
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: 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: . How do buffers regulate the pH of a fluid?
A: Hydrogen ions (H+) are a charged form of a hydrogen atom. A hydroxide ion (OH-) is made up of an…
Q: How is oxygen dissolved in water?
A: Water is polar molecule and oxygen is non polar molecules in which electron density is normally…
Q: What is the ph of human blood?
A: Blood pH is important part of health system. Many factors control the blood pH.
Q: What are the physical properties of water of physiological importance? Explain
A: Water is a universal solvent with chemical formula H2O which is made up of 2 hydrogen atoms and one…
Q: Which solution is more acidic, one with a pH of 4 or a pH of 5? What is the concentration of H+ ions…
A: The pH is the power of Hydrogen and is used as a measure of the acidic or basic character of a…
Q: What is meant by ph?
A: pH is abbreviated as the power of hydrogen or potential of hydrogen.
Q: Carbonic anhydride is an enzyme that is found in red blood cells. What do you think is the ideal…
A: Answer:- The name of the enzyme present in the red blood cells of the body is carbonic anhydrase.…
Q: If you hold your breath for 30 seconds, what is likely to happen to your blood pH?
A: Breathing is the process in which air is expelled and taken in the lungs for exchange of oxygen.
Q: How do hydrogen ions relate to the pH scale?
A: The pH scale varies from 0 to 14, with 0 being the most acidic and 14 being the most alkaline. The…
Q: What is the pH of a 0.0032 M solution of NaOH?
A: pH is a scale which is used to specify the acidity or basicity of an aqueous solution. The pH scale…
Q: If 65 percent of your body mass is water, determine how many kilograms of water you contain.
A: Water is the main component of the human body and it forms nearly 60% of body mass. Different organs…
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: The pH scale is valid only for water. Why is this so?
A: The scale which is used to measure the acidic nature or basic nature of all aqueous solutions is…
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 does ph mean
A: We have to define pH.
Q: r to chemical equation shown here to explain why carbon dioxide dissolved in water acts as a buffer.…
A: Carbon dioxide is important for respiration in a very shape. internal respiration|metastasis} could…
Q: Is the dissociation of water endothermic or exothermic?
A: The human body is 70 % water. Where water is an essential molecule for all the living being…
Q: Does the ph of NaOH increase, decrease, or have no change when added to water?
A: The term pH refers to the hydrogen potential. It decides whether a solution is acidic or basic. The…
Q: why is the different pH value of tap water and rainwater?
A: pH pH is a scale of measurement, which indicates the nature of a solution (acidic, basic or neutral)…
Q: What is the steady-state accumulation of mercury in a person who eats 500 g of tuna daily that…
A: Carbohydrates, lipids, proteins, vitamins, minerals, water, and a variety of other components make…
Q: Why is it essential for the body to maintain a normal pH? Explain or expand your answer.
A: The pH of blood ranges from 7.35-7.45 but the pH of other body fluids is different. pH depends on…
Q: How essential is the understanding of the different pH levels of the things around us? Why?
A: pH is an indicator of acidity or alkalinity of a solution. It is measured in the scale of 1 to 14. 1…
Q: Why does a lower salinity of water increase the solubility of gas?
A: Factors which influence the solubility of a gas in water are as follows: Temperature decreases…
Q: What is the effect of pressure on a liquid’s boiling point?
A: The boiling point is considered as the temperature at which the vapor pressure of the liquid becomes…
Q: Why are water molecules at the surface of a drop of water closer together than those in the…
A: Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible.…
Q: A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion…
A: Given Values: [H+] = 0.01 Mol/L = 1×10-2 M pH is a measure of negative logarithm of hydrogen ion…
Q: What happened to the pH when the cola and borax solution was added to the water? Explain
A: Answer. When the cola was added to the water, the pH of the water went from neutral to acidic even…
Q: How are different pH levels maintained in different places in the human body? Why are these pHs…
A: pH is used to quantify a basic or acidic substance. pH plays an important role in the human body…
Q: How is pH defined?
A: Acidity is the measure of the amount of free hydrogen ions in a solution. It is measured on the…
Q: Why is pH regulation important for living beings? How do mineral salts participate in this…
A: pH is the unit of measurement that determines the degree of acidity and alkalinity. Low pH values…
Q: Why doesn't frozen water sink in liquid water? Is the liquid phase of water more or less dense than…
A: Most substances are more dense in their solid form than their liquid forms. This is not seen in the…
Q: When two drops of NaOH were added to the water the color changed from purple to green. Did this make…
A: A pH measurement scale is used to specify the acidity or basicity of a solution. pH refers to the…
Q: How can an ion-exchange column separate both anions and cations
A: Ion exchange chromatography is applicable for the separation of charged molecules. In this…
Q: If a solution has a pH of 1, how many more H+ are present than in a solution with a pH of 4?
A: pH is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions have…
Q: If a solution has a concentration of 10^-7 OH ions, how many H ions does it have?
A: pH is chemical scale that specifies the acid or basic strength of a solution. Pure water has a pH of…
Q: Why are buffers important in living systems?
A: Many biochemical processes require the maintenance of pH within a narrow range for proceeding at the…
Q: What compounds tend to be non-electrolytes? What are the exceptions?
A: A substance that dissolves in water is classified according to whether they yield molecules or ions…
What is the overall effect of pH when we breath into water? Why do we observe this effect?
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- Why does a lower salinity of water increase the solubility of gas?Why does the pH change by one unit if the hydrogen ion concentration changes by a factor of 10?A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion concentration? Is it acidic, basic, or neutral? How does the hydrogen ion concentration of this solution differ from one with a pH of 1?
- If the pH of a voledronic acid solution is 5.8, and the voledronate concentration is 9 mM, what is the concentration of voledronic acid? (pKa=5.0) 1.4 0.5 185.2 20 379.5How would you interpret the following ratio in determining pH values 33 / 1.2 Group of answer choices (A) metabolic acidosis (B) metabolic alkalosis (C) respiratory acidosis (D) respiratory alkalosisBicarbonate/carbonic acid buffer in blood is an example of an equilibrium reaction that is meant to be very insensitive to change. How does the bicarbonate/carbonic acid buffer re-establish equilibrium if acidity increases? How does the bicarbonate/carbonic acid buffer re-establish equilibrium if alkalinity increases?
- An important buffer system in the human body involves carbon dioxide (CO2), carbonic acid (H2CO3), and bicarbonate ions (HCO3-) as shown: If a person becomes excited and exhales large amounts of CO2, how will his or her body’s pH be affected?What are the two components of a buffer system? How does a buffer work to hold pH nearly constant?if pH level of solution changes from pH 5 to pH 2, how much acidity increased in that solution and why?
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