Examine the table below and briefly familiarize yourself with just what elements make sea water salty. Remember that table salt is NaCl. List three elements that DO NOT contribute significantly to the saltiness of the ocean. Element: Element: Element: Reasoning:

Q: Imagine that you have a jar of syrup A and a plastic Ziploc bag of syrup B. You poke tiny holes in…

A: Answer Water moves from the bag to the jar

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: A group of students designed an experiment to determine the impact of sucrose concentration on the…

A: Osmosis is the process by which plants maintain their water content in the face of constant water…

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: Concentration of Oxygen in Water Temperature (°C) Oxygen Concentration in Freshwater (ppm) Oxygen…

A: The earth's surface is covered 71%  by water. Life on earth depends on the availability of…

Q: There are two solutions with different pH levels. Solution A is neutral, with a pH of 7. Solution B…

A: A buffer is an aqueous solution that resists changes in pH upon the addition of an acid or a base.…

Q: Which of the following is true regarding water? O It makes up approximately 10% of the human body It…

A: Water plays a key role in variety of functions in the living organisms. Some of the key roles of…

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: The most abundant elements in the foods and beverages you consume are oxygen, carbon, hydrogen, and…

A: The chemical elements are the components used to build up the human body. Humans can assemble…

Q: Adam Hart-Davis/Photo Researchers, Inc. In the above image, a paperclip appears to be resting on the…

A: Answer : the following statements accurately describes why this effect is possible is : the strength…

Q: Water can absorb a large amount of heat without much change in temperature because it has a high…

A: An important property of water is that it is a polar molecule. The hydrogen atoms and the oxygen…

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: You are trying Gorter and Grendel experiment and extracted lipids from human red blood cells. You…

A: 18

Q: Why is water measure in pharmaceutical products essential

A: Pharmaceutical products include drugs and medications used for the prevention and treatment of…

Q: Dissolved Oxygen (ppm) 0 2 4 6 8 10 12 14 16 18 Number of Fish Observed 0 1 3 10 12…

A: Dissolved oxygen (DO) is the estimate of the amount of oxygen (O2) that is available in the…

Q: When you dissolve Sodium Phosphate Dibasic in water, the resultant solution is ____________, because…

A: The molecular formula of sodium phosphate dibasic is Na2HPO4. It means the given molecular compound…

Q: When a molecule of water dissociates, , H+ and OH- are formed. O 2,2 O 2,1 O 1,2 О 1

A: Water is a compound that is present everywhere in the environment. It is an inorganic, tasteless,…

Q: You are testing a sample of water from a nearby lake that has very few fish living in it and you…

A: Diffusion from the environment, aeration of the water as it tumbles downfalls and rapids, and as a…

Q: Which of the following classes of biological molecules do we commonly use for energy storage?…

A: Energy storage molecules are substances or molecules found in living things that originate with the…

Q: Describe the properties of water, and explain why it is so important in biological systems.

A: Water is a substance made up of hydrogen and oxygen chemical elements and existing in solid, liquid,…

Q: The table below shows the pH values of some different foods. pH of Foods Substance Approximate pH…

A: A pH refers to the unit of measure that determines the acidity or alkalinity of the solution. Its…

Q: Refer to the figures as shown for no. 3–14. There may be more than one correct answer for a given…

A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…

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: 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: Refer to the map of the United States and the key. Respond to each statement. 6 3 1 = Most affected…

A: Acid rain alludes to a kind of precipitation having acid compounds, such as sulfuric or nitric…

Q: Eating salty food is bad for our health. Does adding water to salty soup decreases the amount of…

A: Salt is an essential part of all foods. There are various salts now available in the market claiming…

Q: n Table 1, which of the following best evaluates the student's hypo ENT CHANGE IN MASS OF PEELED…

A: Hypertonic:- A hypertonic solution is one that has a higher solute concentration outside the cell…

Q: The objective of a seawater reverse osmosis (SWRO) process is remove the salinity of seawater in…

A: Given  In first SWRO = 40% fresh water, 60% brine  In second SWRO = 20% fresh water, 80% brine.…

Q: Which among the following is an example of a pharmaceutically important buffer system? a. All of…

A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. Many…

Q: Pepsin is protein that breaks down polypeptides in the stomach, pepsin functions optimally at body…

A: The objective of the question is to identify the environmental conditions that would denature…

Q: Describe the special properties of water that make it vital to living systems, including: polarity,…

A: Water is about 50%-65% in an adult human body. It is the most important compound our body need.

Q: What role does the cohesive nature of water play in living systems? Give at least three examples.

A: Introduction  Living systems refer to biological entities that exhibit characteristics of life, such…

Q: in terms of quantity, which organic macromolecules do you think are least abundanr in the human body

A: A macromolecule, such as a protein or nucleic acid, is a very large molecule crucial to biophysical…

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: 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: How much water is too much water and is there such a problem as drinking too much water? What can…

A: Water is essential for the human body. An adequate amount of water should be drunk by the…

Q: Amelia tests several substances in her house to determine their pH values and records the results.…

A: pH stands for "potential of Hydrogen" and is a measure of the acidity or basicity of a substance. It…

Q: Which has more hydrogen ions, grapefruit juice (pH = 3) or tomato juice (pH = 4) and how much more…

A: How to calculate H+ ion in the specific pH? The pH of any solution is determined with the help of…

Q: The has the highest thermal energy because it has pot of water: a lower volume

A: Introduction : Thermal energy : All moving objects (in fact  the particles of all matter including…

Q: Water cohesion is due to the water creating H-bonds with other molecules. True False

A: Introduction: The condition of adhering or staying together of the same substances alluded to as…

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: The cups shown at the right contain different amounts of water kept at different temperatures.…

A: Thermal energy is caused due to heat. Temperature is the measure of hotness of coldness of a…

Q: The property of water that allows the basilisk lizard to run across the surface is from which of the…

A: First, the basilisk lizards have a special adaptation in their hind legs which makes them run on the…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.