Which of the following is the process in which there is an addition of small dose of chlorine gas to the filtered water? A. coagulation B. sedimentation C. filtration D. chlorination

Q: Name two pieces of equipment which we should use to add a substance into a volumetric flask?

A: In a volumetric analysis we uses various glassware like burete, pippet, measuring cylinder, beaker,…

Q: List the common steps taken in treating water for a public water system?

A: The common steps taken in treating water for a public water system have to be listed below.

Q: Sewage containing organic waste should not be disposed into water bodies because it causes major…

A: 1. Every animal survives due to the presence of oxygen in the environment.  2. Animals which lies in…

Q: 16. What is the law of conservation of mass?

A: The law of conservation of mass states that :"The mass in an isolated system can neither be created…

Q: Concentration units

A: Please find your solution below : Concentration of a solution is defined as the amount of solute…

Q: A solution of iodine has an iodine titer of 12.46 mg. What is the normality of the iodine solution?

A:

Q: Use the information and table to answer the following question. A student wants to determine how…

A: From the above table. The following conclusions are given

Q: b) How can you determine chloride content in a waste water sample?

A: Chloride content in waste water can be determined by Mohr's method.

Q: What is the preferable period of time to soak the apparatus with acid? Some said it is preferably…

A:

Q: The solubility of a gas in a liquid will increase as temperature decreases, but a solid’s solubility…

A: As we increase the temperature in the gas-liquid system then the kinetic energy of the gas…

Q: Table 11.10 (report)   Test performed Shift Direction of Equilibrium Heat solution   Cool the…

A: Le Chaterlier's principle is a principle that states that if any constraint is applied to an…

Q: What is the process by which sediment comes to rest

A:

Q: In recrystallization, is it always good to have a high % recovery? Explain. What are the advantages…

A: In recrystallization, always good to have a high % recovery has to be explained below. The…

Q: Why does scratching the side of the flask with a spatula help form crystals? a. The scratch…

A:

Q: Briefly describe the molecular level reason why hexane and water are or aren't soluble (mixing with…

A:

Q: a. Describe two physical changes that occurred in this image. b. Describe two chemical changes that…

A: Matter exists in our nature in various forms such as solids, liquid and gases. also it exists in…

Q: What will you see in the blood of a diver that has been deep in the ocean but then came rapidly to…

A: In accordance with Henry's Law, with the increase in pressure, the solubility of a gas also…

Q: In a solutions, it is a substance that is usually present in greatest amount is known as?

A: A solution is homogenous mixture of two or more substances.  The parts of solution are solute and…

Q: What are the uses of recrystallization, decolorization, and sublimation?  Give  examples of each.

A: Recrystallization is process of removing insoluble solid impurities from an organic compound. The…

Q: Normality

A:

Q: the aid of a figure, illustrate how eutrophication can occur in a lake.

A:

Q: Zn       +          2  HCl     ------> ZnCl2 + H2 2) When HCl(aq) is poured over the zinc metal,…

A: Given, When HCl(aq) is poured over the zinc metal, the liquid begins to fizz with small bubbles.

Q: At the pool supply store when you buy chlorine it is like tablets/or pebbles you mix with the pool…

A: Chlorine is the main chemical which is used in swimming pools for sterilizing the water and  keep it…

Q: What is the narrow graduated piece of glass equipment called?

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: ook at the dissolution of solid sodium chloride in water. In answering the following questions, you…

A: We know that polar molecules dissolves in polar molecules. It means like dissolves like.

Q: The stickness of oranges in our hands can be easily washed with tap water ,explain the observation…

A: The question is about general chemistry. we have to reason for the fact that we can easily wash our…

Q: 18. The solubility of gases a increases as temperature increases b. decreases as temperature…

A: As we know that, When temperature increase then kinetic energy increases.

Q: What happens when you drop a chunk of diswashing paste on water? What will happen to both substance?

A: Dishwashing paste contains different type of surfactants. When this dishwashing paste added with…

Q: Which is not a natural contaminant of water A. Gases including nitrogen, oxygen, radon, non-metal…

A: 2) the natural contaminant of water doesn't include industrial sewage.

Q: Present the pertinent chemical equations involved in the analysis of dissolved oxygen concentration…

A: The Winkler Method is a technique used to measure dissolved oxygen in freshwater systems. Dissolved…

Q: A parent witnessed his child who just ingested an old silvery coin. This is an emergency because…

A: Silver is non-toxic and one of the precious metals with the symbol Ag and it is used to make…

Q: An action will elevate the concentrations of three chemicals in the drinking water supply: 1,1,1-…

A: The concentration of these chemicals in drinking water is much higher than said to be safe for…

Q: Should we ignore changes in density of water when dealing with high concentration of sludge or…

A: The change in the density of water is high with an increase in the concentration of sludge. However…

Q: Why do some chemicals dissolve in water while others do not?

A: Molecules that have a positive end and a negative end, or that can separate into components with…

Q: Sewage and industrial pollutants dumped into a body of water can reduce the dissolved oxygen…

A: Answer: The null hypothesis says that the mean  --------> , Whereas the alternate hypothesis…

Q: *. In the temperature, concentration oc surfaco area were increased in the following scenario,…

A: We know that according to le chatlier principle when we change anything at equilibrium in that case…

Q: doug began preparing laboratory surface disinfectant from chlorine bleach. he put on a chemical…

A: An endothermic reaction is the one where the heat is absorbed from the surroundings. Here heat flow…

Q: When rain water interacts with atmospheric carbon dioxide, it produces what?

A: When rain water interacts with atmospheric carbon dioxide, it produces what?  Product is given…

Q: Which among of the following is a source of water pollution? a. Pathogens b. Organic material c.…

A: Pathogens: Pathogens transmitted through contaminated water causes various diseases like typhoid,…

Q: The use of living organisms to help clean up areas of pollution is known as

A: The living organisms which is used in clean up the area of pollution is Bioremediation.…

Q: DISSOLVED OXYGEN CONTENT OF WATER  Give three examples of how DO levels can change due to human…

A: Wastes disposed by people can pollute the air, the land, and water resources. They lead to the…

Q: Use the average concentration of Vitamin C, from your data, and calculate the volume of fruit drink…

A: Average concentration of vitamin C is =523.30 mg/100mL Therefore., Average concentration of vitamin…

Q: Following the principles of Charles’s Law. If the temperature is doubled, the volume is _______ at…

A:

Q: State Henry’s law and mention two of its important applications.

A: Given information,       Henry’s law and its two important applications

Q: Filtrate refers to the insoluble solid in the filtration solution which dissolves O crystals…

A: Filtration :-  The process in which insoluble solid particles present in a liquid solution are…

Q: Write a procedure to show temperature affects the rate of dissolvingUse at least 3 different…

A: Answer -  - Pour cold, room-temperature, and hot water into the cups so that the water is deep…

Q: 11. A student dissolves some salt in 0 water. If the student keeps the volume of water the same and…

A: A student takes a beaker of water to which he added some salt, stirring until it dissolves and now…