In the external calibration method used in water analysis, which volume should be kept constant? *

Q: Specify how the principle of constant proportions can be used to determine seawater salinity by…

A: Salinity is the property of ocean water that measures the conductivity of ocean water.

Q: Explain different ways to induce recrystallization.

A: Recrystallization is a process in which the previously formed crystal were dissolved in a suitable…

Q: Once you choose the appropriate solvent, how much solvent should you add to your sample to dissolve?…

A: A solution can be defined as the mixture that consists of two components; solute and solvent. Here…

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: In each scenario, describe a step by step process in determining the unknown. Distilled water maybe…

A: Density =mass/volume. We have to determine mass and volume separately.

Q: Complete the table by entering the molarity of B2- for each standard solution. Show an illustrative…

A: Given:

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: In distillation, why is it the formation of bubbles inside the container not desirable?

A: Bubbles containing vapors often form within the distillation liquid.

Q: You are a chemical developer for a major automotive parts supplier that develops antifreeze designed…

A: Elevation in boiling point-is a difference between boiling points of solution and that of pure…

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

A:

Q: What kind of change is present in dissolving salt in water? Rusting of iron?

A: Physical change refers to a change in which the molecules are rearranged but their internal…

Q: freezing

A:

Q: When 0.501 g of sucrose (table sugar, white microcrystalline solid) is dissolved in water (clear…

A: Quantitative  data are data which are obtained experimentally and helps In quantification of element…

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: Fill in the words to complete the steps in the process of recrystallization. 1. Dissolve a substance…

A: Three questions based on recrystallization process, which are to be accomplished.

Q: What usually happens to the solubility of solids as temperatures increases---- Answer:

A: Given: Statement regarding solubility of solids To find: If temperature increases what will happen…

Q: What does decomposing of pure water into its constituent elements indicate?

A: In decomposition reaction single compound is broken down into two or more simpler substances.…

Q: Briefly explain why crystals form as the solvent cools during recrystallization.

A: We use recrystallization to remove impurities / purification in organic chemistry . For this process…

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: 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: 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: A solution is the same as a compound homogeneous mixture heterogenous mixure element

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: Which is not required in recrystallization? a. solution is filtered at high temperature b.…

A: Remember this point, recrystallization is used for purify the crude sample of compound so that all…

Q: Crystallization is a type of purification method.

A: First we have to know about crystallisation. Crystallisation : A process in  which a chemical is…

Q: What is the reason for cool water in an water out in distillation?

A: During distillation, the vapors are condensed. To absorb more and more the cold water is passed from…

Q: Which of the following given statements is true? * Dissolved oxygen in large bodies of water may be…

A:

Q: Solubility Curve for KNO3 150 140 130 120 110 100 KNO, 90 80 70 60 50 40 30 20 10 10 20 30 40 50 60…

A: The solubility of any component in a solvent is defined as the maximum amount of that solute that…

Q: You are a student in Mrs. Bateast's Chemistry class and you were given the assignment to compare…

A: The solubility of a compound is increased by increasing temperature. It would continue up to the…

Q: Solubility Curve for KNO3 150 140 130 120 110 100 KNO3 90 80 70 60 50 40 30 20 10 10 20 30 40 50 60…

A: The solution is as follows :

Q: In chemistry class, a student conducted an investigation about factors affecting the solubility of…

A: Trial 1 and Trial 2 are conducted at 25o C where as Trial 3 is conducted at 60oC.

Q: Describe the steps involved in recrystallization.

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

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: is a quantitative analysis of water use from entry up to discharge in a system. A. Water…

A: Water Management  is important  for effective and efficient  use of water.

Q: Using the Solubility Data for Report below answer the question: Compound                      Cold…

A: It is given that in hot water, 4.62 g of impurities can be dissolved in 100 mL of water.

Q: I want to figure out how to explain why LiCl is soluble(water not specified) without using the…

A: According to the Fajan's rules greater the covalent character if the polarization ability is…

Q: 1. Explain the importance of using a thermometer in the simple distillation setup. Enumerate the…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: 240 220 200 NaCIO3 180 4KNO3 160 140 KBr 120 100 NaCI 20 40 100 120 Temperature (°C) Solubility…

A: Solubility is defined as the amount of a substance dissolved per 100 g of a solvent at a particular…

Q: What are the difference between Simple distillation and Fractional distillation ?

A: Distillation is a separation technique that is used to purify a liquid or a mixture of liquids by…

Q: H,0/ H,SO, Cl,/ CCI, (solvent)

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.

Q: Another conceptually simple approach to water purification, but it isn’t quite as straightforward as…

A: Forcing the water through small spaces can be done via an osmotic driving force.

Q: ne solubility

A:

Q: You grab a soft drink bottle from your refrigerator. The contents are liquid and remain liquid even…

A: The phenomenon of contents of soft drink bottle remain liquid after removing from refrigerator and…

Q: These are characteristics of solvent used for recrystallization except: should react with the…

A: This technique is used for the purification of solid organic compounds  Preparation of the…

Q: The dictionary defines homogeneousas “uniform in compo-sition throughout.” River water is a mixture…

A: Heterogeneous mixture: A mixture in which components combine to give a non-uniform composition is…

Q: In distillation, the composition of the volatile component is governed by which law? * Your answer

A: Distillation :- It is a method of purification of liquids which differs in their boiling points. The…

Q: You are a chemical developer for a major automotive parts supplier that develops antifreeze designed…

A: In order to determine the solute’s mass that undergoes dissociation in an aqueous solution, the…

Q: Differentiate volumetric solution and test solution

A: Both the type of solutions can be prepared in Chemistry laboratory.