A) what pH is rain considered to be acid rain?

Q: What is the purpose for ground substance?

A: Ground substance is also called matrix. It is an intercellular material in which the cells and…

Q: What is the appropriate dose (chlorine, ozone, ultraviolet rays) to sterilize water per 100 cubic…

A: Hi! Thank you for the question! Since the appropriate dosage of ultraviolet rays is not known, the…

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: What happened when a potato strip placed in distilled water?

A: Osmosis is the movement of of water from area of high concentration to area of low concentration…

Q: Would you expect the analytical results for ammonia-nitrogen to be higher than, lower than, or the…

A: Yes ammonia nitrogen level increase in waste water which was prior stored without acidification.

Q: 1&3/4 tbs po BID x 7 days #QS How many milliliters should the pharmacy dispense?

A: A drug or medicine is a chemical compound that, when administered, has a biological effect on the…

Q: Why is there a need to filter the alkaline solution after adding the Barium chloride solution?

A: In an aqueous solution, barium chloride acts as a simple salt.  However when dissolved in water, it…

Q: Describe two methods of water analysis.

A: Water could dissolve most of the biological molecules in it and so it is known as a universal…

Q: Why potato strip increase in size when placed in distilled water?

A: Osmosis is defined as the movement of water molecules from the higher water potential region to the…

Q: Beef extract Peptone Sodium chloride Agar Distilled water 3.0 g 5.0 g 8.0 g 15.0 g 1000 mL

A: Nutrient agar is the most common general-purpose medium, thats supports the growth of the wide range…

Q: What is it mean: tempering? Select one: a. dissolution b. pre-crystallization c. melting of…

A: Tempering is a directed pre-crystallization method Or Tempering is also called pre crystallisation…

Q: Why are proteins and amino acids considered to be natural buffers?

A: Buffer is a solution that resists the pH change when an acid or base is added to it. pH is measured…

Q: Why is 350°C water emitted from a black smoker not boiling?

A: Black smokers are one of the types of hydrothermal vents that are found in deep sea beds and appear…

Q: Which are more likely to be leached from the soil by decreasing pH— cations or anions? Explain.

A: Lower pH increases the solubility of aluminum, manganese, and iron in the soil. Anions are leached…

Q: نقطة واحدة the solvent in recrystallization * should not be dissolve the compound to be crystallized…

A: We are authorized to answer one question at a time since you have not mentioned which question you…

Q: purpose of precipitation?

A: Precipitation: It is a kind of antigen-immune response, in which the antigen happens in a solvent…

Q: Distinguish between acid and rennet curds.

A: Curdling is the process through which curd is obtained by coagulating milk. The coagulation can be…

Q: Which category of particulate matter is most harmful to human health ?

A: Particulate matter is separated into three main groupings: coarse particles (PM10), fine particles…

Q: Refer to the table below: Oil Sample Saponification Number [A] 179 [B] 260 [C] 193 [D] 185 ✓ Which…

A: Saponification number represent the number of milligrams of KOH required to neutralize 1g of fat.…

Q: if you are going to prepare 15 plates of Nutrient Agar, 30 NA slants, and 20 NA stabs, how much tap…

A: In usual labs petriplatea can hold 15ml of media therefore for 15plates approximately 15×15 = 225ml…

Q: What happens if you drink sewage water?

A: Sewage water is usually waste water released by anthropogenic activities into a water source usually…

Q: How can you keep plastics out of the ocean?|

A: Plastics include a range of synthetic or semi-synthetic polymeric materials, produced through…

Q: What happened when potato strip placed in salt water?

A: 1) A solution mixture that exhibits a higher concentration of salt than the surrounding medium. Then…

Q: Why do the leaf disks in the baking soda solution (treatment) begin to float?

A: The baking soda solution used in floating disk photosynthesis demonstration.  Release of Oxygen in…

Q: What effect does acid rain have on the enviorment on a macrocosmic scale?

A: Acid rain occurs as a result of chemical reactions. When compounds like sulfur dioxide and nitrogen…

Q: If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrientbroth, what is…

A: Microbiology is the branch of science that studies microscopic organisms. As microorganisms are not…

Q: What makes the alcohol harmful to the skin when it has been soak for a very long time? What are the…

A: Isopropyl alcohol is secondary alcohol and the hydroxyl group is attached to the second carbon…

Q: Wastewater treatment process is endothermic or exothermic?

A: The wastewater treatment process is done in the wastewater treatment plant. It is completed in three…

Q: Why is scale formation typically only a problem in hot water pipes?

A: Scaling is a deposition process of calcium and magnesium salts.

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: 1. State two processes that result in the formation of acid deposition.

A: NOTE: AS PER OUR GUIDELINES, WE ARE ONLY ALLOWED TO ANSWER THE FIRST QUESTION, PLEASE RESUBMIT THE…

Q: What are the three (3) possibilities of humidification process based on water temperature being…

A: Humidification is the process of adding moisture to the air. This can be done by water or steam to…

Q: What does the fluoride pollution mainly affects?

A: Pollution is the accumulation of harmful substances in the environment that causes contamination and…

Q: The use of salt and sugar in preserving various types of foods is an application of which of the…

A: Food can be preserved for a long duration for consumption at later stages. Techniques used in food…

Q: Why is it necessary to store the molten agar in a water bath at 50 degrees Celsius?

A: Introduction:-  Agar is made up of two polysaccharides: agarose and agaropectin, with agarose…

Q: How to reduce/control selenium pollution?

A: Selenium is a trace element that has emerged as a contaminant of concern in water bodies. The…

Q: How acid rain is formed?

A: Acid deposition or acid rain is a broad term used for any type of precipitation with the acidic…

Q: What is the effect of pH in the shelf life of unsterilized media? [Answer in not more than 2…

A: The shelf life of unsterilized media will decrease due to the pH.

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: What effect does the water temperature have on solution rate

A: There are many factors which influence the rate at which a solute will dissolve in a solvent…

Q: What is the process and principle behind isoelectric precipitation?

A: Isoelectric precipitation is a type of isoelectric precipitation that occurs when: The pH of a…

Q: In keeping a bottle of vegetable oil with no preservative, it must be coveredtightly and…

A: Triacylglycerols are lipids present in oils that have a glycerol backbone with the three hydroxyl…

Q: Why did we add agar after we measure the pH?

A: pH means p stands for potential or power.H stands for Hydrogen atom.It is the power of the Hydrogen…

Q: If a more concentrated initial solution bicarbonate was used in beaker C, would it require more or…

A: In a neutralization reaction, number of moles acid and bases are always equal at neutralization…

Q: What happens to the area of ice where salt is applied? Why is salt applied to icy sidewalks or roads…

A: The question asks the effect of salt on the area of the ice. The reason for the salt application on…

Q: What is water activity and what role does it play in the growth of microorganisms and yeasts and…

A: Water activity is the partial vapor pressure of water in a solution divided by the standard state…

Q: How has the National Appliance Energy Conservation Act of 1987 helped reduce acid deposition?

A: -It set standards for household appliances, for an example washing machine and dryer. -It also asked…

Environmental effects

Environmental effect is the beneficial or adverse impact of human products, services, or activities on the environment. For example, the release of volatile organic compounds negatively affects the environment and causes smog formation. On the other hand, collecting litter and putting it in bins positively affects the environment.