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: The most abundant elements
A: Macromolecules are the type of large and complex molecules. These are formed by the condensation of…
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 can be attributed to water’s high specific heat? A- oil and water do not mix…
A: Specific heat definition : Amount of heat required to raise the temperature of 1 gram of a substance…
Q: Hydrogen bonding between water molecules results in a. submersion. b. adhesion. c.…
A: Introduction: Water molecule is composed of two hydrogen atoms and one oxygen atom. The two hydrogen…
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: The amount of energy needed to raise one gram of water one degree Celsius is calleda. a calorie. b.…
A: BASIC INFORMATION ABOUT ENERGY CURRENCY OF THE BODY ATP It stands for Adenosine Tri - phosphate.…
Q: When you go to the beach in the summer you may burn your feet on the sand, a pecause water has a.…
A: The correct option is D i.e. High density fo the above question.
Q: Water resistant temperature change because ____. A) large bodies of water cannot store heat B)…
A: Water is an inorganic chemical substance. It is the main constituent of the hydrosphere of the earth…
Q: Explain the behavior of water molecules in the isotonic solution.
A: The concentration of solute in the aqueous environment of cells can be used to define it. Hypertonic…
Q: Bubbles of CO2 are formed during the reaction between vinegar, water and Alka Seltzer. Provide an…
A: Alka Seltzer is a tablet that is normally used in so many science experiments, it causes a bubbling…
Q: What is the solute potential of pure water when you move it from sea-level to 8,000 meters above…
A: Solute potential decreases with increasing solute concentration and it causes a decrease in the…
Q: What might be the impact to the environment if water molecules losses its polarity
A: Water, which is chemically represented as H2O, is made up of hydrogen and oxygen. Water can exist in…
Q: solution is ________ when there is low osmolarity outside a cell and overall water moves into the…
A: A solution can be hypotonic, hypertonic or isotonic depending on the osmolarity of the external…
Q: How is water harmful to life on Earth?
A: Earth contains about 70% of the water on its surface. All the animals and plants can not live…
Q: A frozen lake in winter with fish swimming below the surface is possible because of which property…
A: Water is a substance that composed of hydrogen and oxygen molecular elements and exists in gaseous,…
Q: The elimination of which characteristic of water would have the leastimpact on a living organism…
A: Water in its liquid form is the most important compound that is required for the survival of life on…
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: Acan of soda consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes it…
A: Carbonated drinks consist of dissolved carbon dioxide, sugar, and water. The presence of carbon…
Q: In a solution the part of the solution that is doing the dissolving (such as water in our cells and…
A: Every solution has two different parts, Solute Solvent
Q: The movement of water from an area of higher concentration to an area of lower concentration is…
A: Biological membranes are semipermeable membranes and therefore, not all molecules can freely pass…
Q: Why does salt melt ice? O a it lowers the freezing point of water O b it heats up the ice O c it…
A: Normally water freezes at 0°C to form ice.This is the normal freezing point of ice. Upon additon of…
Q: ess dense. Why is this change in the water beneficial to the organisms living in the lake? As the…
A: Water molecules can make intermolecular and intramolecular hydrogen bonds.
Q: What is the definition of solute concentration? A. The total amount of solute inside a cell B.…
A: A solvent is the component of a solution that is present in the greatest amount. It is the substance…
Q: As water is chilled, its molecules slow their movement, and H-bonds form and hold water molecules…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: why cant human live without water? explain in scientific explanation
A: Water is the fundamental unit of life. The basic unit of life revolves around the availability of…
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: A ball of snow when rolled over snow increase in mass volume and size.is this comparable to growth…
A: Growth in biology refers to increase in size and changes in shape of a developing organism.…
Q: ter molecules tend to diffuse in response to their own concentration gradient. How can water be more…
A: Osmosis is the movement of solvent molecules like water from a region of high water concentration to…
Q: The pH in your cells is decreasing. Cells have buffers to minimize changes in pH. Briefly explain…
A: pH can be defined as the scale which is used to measure the level of hydrogen and hydroxide ions…
Q: The column of water extending in vessels from plant roots to leaves is maintained by ____. A.…
A: The column of water extending in vessels from plant roots to leaves is maintained by cohesion…
Q: A frozen lake in winter with fish swimming below the surface is possible because of which property…
A: Lake ecosystem is a type of ecosystem in which biotic and abiotic factors interact with each other.…
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: Crenation can result from a change in which of the following? osmotic pressure hydrostatic…
A: INTRODUCTION Crenation is determine the water may existing the cell via Osmosis. Crenation…
Q: Discuss the biological significance of water to living organisms.
A: Water carries nutrients to all cells in our body and oxygen to our brain. Water allows the body to…
Q: 20. Fluid in compartment 5 is ______________ compared to fluid LEAVING compartment 6 (at the end)…
A: Isoosmotic, option C is the correct answer.
Q: Using correct terminology about water activity, explain why making jam is a good way to preserve…
A: As we know most of the microbes thrive well in the presence of water, food, and oxygen. They survive…
Q: The process in the Water Cycle by which water is converted from a liquid to vapor by use of heat is…
A:
Q: A) what pH is rain considered to be acid rain?
A: Answer. Acid Rain Acid rain is a broad term referring to a mixture of wet and dry deposition from…
Q: Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentrate of…
A: The pH of a substance is the measure of how acidic it is. pH values range from 1 being most acidic…
Q: Why a molecules with higher mass/density would sediment faster?
A: Sediment is defined as any particulate substance or matter that can be transported with the help of…
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.…
As water cools below 4°C, it expands and becomes less dense. Why is this beneficial to organisms living in a lake during a cold winter?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Water molecules tend to diffuse in response to their own concentration gradient. How can water be more or less concentrated?You might have noticed that in space exploration, attention is often focused on the presence or absence of water on other planets. What characteristics of water make it as essential for life as we know it on Earth?As water is chilled, its molecules slow their movement, and H-bonds form and hold water molecules further apart. This explains why.... a. Water is most dense just above freezing b. Ice floats c. Water molecules dissociate only a small amount d. Why living near a lake moderates temperatures on land
- A) what pH is rain considered to be acid rain? b) ) If you consider the temperature of a water does the dissolved oxygen are realistic?Organisms that live in fresh water are almost always hypertonic to their environment .In what way is this a serious problem? How could some organisms cope with this problem ?Water resistant temperature change because ____.A) large bodies of water cannot store heat B) heating water absorbs energy by disrupting the hydrogen bonds before evaporation can occur C) evaporation of water heats the surface it leaves D) hydrogen bonding increases water's ability to vaporize E) none of the above
- The column of water extending in vessels from plant roots to leaves is maintained by ____. A. surface tension B. covalent bonds within water molecules C. cohesion between water molecules D. ionic bonds between water moleculesWhat property of water helps retain heat in the water when air temperature drops? cohesion evaporation density adhesionPart A: In this diagram, a molecule of water is________. Part B: This is an example of _______. Part A Answer Choices: A. Required to split a larger molecule apart B. Created by joining two molecules together Part B Answer Choices: A. Hydrolysis B. Condensation
- Which of the following effects is produced by the high surface tension of water? Group of answer choices Organisms resist temperature changes, although they give off heat due to chemical reactions. Evaporation of sweat from the skin helps to keep people from overheating Lakes don't freeze solid in winter, despite low temperatures. A layer of strongly bonded water molecules occurs at the air-water interface Water flows upward from the roots to the leaves in plants.If the trend continues as shown in the data what would the dissolved oxygen level most likely be if the temperature of the water was 35C?The most abundant elements in the foods and beverages you consume are oxygen, carbon, hydrogen, and nitrogen. Why might having these elements in consumables be useful?