Describe the changes in mineral content of water as it moves from rainwater to lake water and, eventually, to ocean water.

Q: List the characteristics of water that help support life.

A: Water is one of the most important substances on earth and there are certain chemical properties of…

Q: Define salt

A: Salt is a chemical compound consisting of an ionic assembly of an ionic assembly of cations and…

Q: Measurements show that the pH of a particular lake is 4.0.What is the hydrogen ion concentration of…

A: pH value helps to determine whether a solution is acidic or basic. A solution having pH value '7' is…

Q: Why does pure water have maximum water potential?

A: The energy required to transfer an infinitesimal quantity of water from a sample to a reference pool…

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 electrolyte? If a sport drink contains electrolytes what did the maker of sports drink add…

A: Potassium in sports drinks helps to maintain electrolyte balance and can aid in muscular contraction…

Q: The definition of salinity is: O a The total amount of dissolved solids in water. O b The capillary…

A: The salinity of water is defined as the ammount of water found in a single salt crystal.   It is the…

Q: According to the diagram, what are the two most abundant salts in sea water? Sea salts Sea water…

A: Here,it is given that sea water is a mixture of 96.5%(965g) water and 3.5%(35g) salt. The six…

Q: A) Discuss THREE properties of water B) Explain each of the following in terms of the properties of…

A: Introduction Water is a excellent solvent. Water molecule (H2O) contains two H atoms and one oxygen…

Q: Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of…

A: Answer- pH is the value of concentration of hydrogen ions in the solution as gram equavalents per…

Q: Explain how buffers function and describe their importance in biological systems.

A: A buffer solution consists of an acid-base pair. It maintains the pH of a solution stable by…

Q: Define inorganic phosphate.

A: DNA stands for deoxyribonucleic acid. It is the genetic material of the organisms that transfer from…

Q: Explain the role of hydrogen bonds in the properties ofwater.

A: Formation of hydrogen bond between a hydrogen atom and highly electronegative atom and other highly…

Q: . define acid and base and interpret the pH scale;

A: pH is considered as the potential or power of hydrogen ion.

Q: . Compared with a basic solution at pH 9, the same volumeof an acidic solution at pH 4 has _________…

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

Q: Why is water important for metabolism?

A: Metabolism is a process that happens in our body to convert what we eat(food) and drink into energy…

Q: Describe the pH scale and the role of buffers in body fluids.

A: The molecule or ion which has the capability to donate a hydrogen ion or proton is termed an acid.…

Q: Define buffer.

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

Q: The emergent property of water that contributes to surface tension is ?

A: The emergent property of water that contributes to its surface tension is cohesion. When the…

Q: Interpret the pH scale.

A: Acid can be defined as any hydrogen-containing substance that has the tendency of donating the…

Q: Which of the choices is not an example of a dietary mineral? A)calcium B)nitrogen C)sodium…

A: The mineral is one of the important components of nutrients and this chemical belongs to the…

Q: Explain the role of water in human body  in the following function: 1. Temperature regulation  2.…

A: The human body contains both inorganic and organic compounds. The inorganic compounds include salt,…

Q: Distinguish between inorganic and organicsubstances.

A: The most common point that differentiates organic compound from inorganic is that the organic…

Q: Explain why water forms nearly spherical droplets on the surface of a freshly waxed car. Why doesn’t…

A: Water is considered as a polar solvent, which is hydrophilic in nature. Due to its hydrophilic…

Q: Explain in details 4 interactions among different minerals.

A: Minerals tend to interact more than other nutrients. This is because they have a tendency to form…

Q: H,0 Pure water Positive pressure Negative pressure H,0 H20 H,0 Solute A В C

A: Water potential: it is the potential energy of water per unit volume in comparison to pure water…

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: In your textbook, read about acid precipitation. Refer to the map of the United States and the key.…

A: Acid rain denotes to any kind of precipitation with acidic particles.

Q: Explain how buffers maintain the pH of solutions

A: Buffer systems serve critical functions in both natural and laboratory environments. In nature, they…

Q: Predict the pH of a sample of water if Kw were 10−10 or 10−20.

A: Kw is the equilibrium constant, which is denoted from the formula Kw = [H3O+] [OH-] = 10-14…

Q: describe the unique properties of water

A: Unique properties of water: Water is capable of dissolving a variety of different substances, which…

Q: Explain why pure water has the maximum water potential.

A: Introduction In this question we have to explain why pure water has the maximum water potential.

Q: Obtain an ice cube and add salt to it. What happens to the area of ice where the salt is applied?…

A: The freezing point of water is 0 degrees celsius, at that point water solidifies to become ice.

Q: Explain what causes ice to float on top of liquid water.

A: The density of the substance is calculated as mass per unit volume. Density= massvolume

Q: Explain the biological importance of water?

A: Most of the roles of water in supporting life are due to its molecular structure and some of it's…

Q: why is water considered a vital ingredient of life?

A: Chemical formula for water is H2O. Water can exist in all the forms I.e liquid , solid and gas.…

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: pH of a pond is measured as 4.0. What is the hydrogen ion and hydroxide 1on concentration of the…

A: pH is a scale used to determine the acidity or basicity of an aqueous solution by measuring the…

Q: People on high-protein diets are advised todrink lots of water. Why?

A: Protein is an essential nutrient that is required to repair damaged cells and also for the growth…

Q: The relationship between water temperature and its oxygen solubility is that when: oxygen solubility…

A: Solubility is defined as the ability kd the solute to dissolve into a solvent. Several factors…

Q: Explain the principles behind the melting curve and how this helps determine G+C content. Include an…

A: Melting curve inspection is an evaluation of the dissociation features of double stranded DNA, in…

Q: Explain the importance of bicarbonate buffer systems in the regulation of ph

A: Blood have various types of buffer system that maintains the pH of the blood to almost 7.4. it…

Q: Rank as to pOH acidity Samples pH [H1 [OH] Rank as to basicity VINEGAR 2.5 ΑΜΜΟΝΙΑ LEMON JUICE 1.5…

A: pH of a solution = -log [H+]. pH is the measure of acidity of a solution. A solution is acidic if…

Q: . Describe how the properties of water contribute to itsphysiological functions.

A: Water is an excellent solvent that is made up of tiny molecules of hydrogen and oxygen. It is…

Q: Describe the way an ionic solid dissolves in water

A: Ionic compounds are ones that are made up of oppositely charged atoms, known as ions, that are…

Q: How do you think the cohesive nature of water relates to its evaporation?

A:

Q: Materials that allow flow of water are_______

A: Running fluid moves innately in a gravity-driven direction all along slope and finds its own way.…

Q: Substances those are partially dissolved in water are commonly known as

A: Molecules that are dissolved in water completely are called polar substances. Polar molecules get…