TRUE OR FALSE __________ 6. Glassware is clean when no water droplets cling to the inner wall of the vessel. __________ 7. When smelling the odor of a chemical substance, fan your hand over the substance toward your nose which should be centimeters away from the substance. __________ 8. An accident as simple as breaking a beaker containing distilled water in the sink does not need to be reported to the laboratory instructor. __________

Q: Convert 0.30 mg L-1 to ppb. Put value without unit.

A:

Q: Which of the following compound(s) have bonds that are polar covalent? Select one: O a. KCI O b. CF

A: KCl has ionic bonds

Q: Explain the relationship of temperature with the moisture content and water activity and Which…

A: To explain the relationship of temperature with the moisture content and water activity and to…

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: 1-What are the effects of requisites of drinking water?

A: Our planet is made up of more than 71% of water .  Our body constitutes of 60% of water.  Even our…

Q: Tasks: 1. Choose one (1) type of intermolecular force (IMF) 2. Illustrate at least five (5)…

A: Intermolecular  Forces are those forces which occurs  in Between the molecules.

Q: Are Particles Visible? Can it be Filtered? Do Partices Settle? See Tyndall Effect? Msture Example…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Professor X mixed two solutions in a test tube and observed that the mixture was warm. He also tried…

A: Here we have to determine which following pair of liquid on mixing heat energy will be produced and…

Q: Which one answer does NOT represent a characteristic of a good recrystalli solvent? 1) Should not…

A: Recrystallization is the process of purification of an impure substance by the use of a suitable…

Q: THE ACCEPTABLE LEVEL OF COPPER THAT CAN BE FOUND IN DRINKING WATER IS NO MORE THAN 1.3 ppm. A SAMPLE…

A: Given : Safe concentration of copper in drinking water < 1.3 ppm. Mass of water sample = 5000 Kg…

Q: one

A: Dear student I have given answer to your question in the image format.

Q: 4. Which pair of solvents is NOT miscible? a. hexane and water b. water and methanol c. methanol and…

A: Polar molecules tend to dissolve in polar substance.  Non-polar molecules tend to dissolve in…

Q: A. Why do you think cohesion is important? What is the difference of cohesion to adhesion? Give…

A: Cohesion and adhesion are two different terms which plays a great importants while explaining many…

Q: Which statement best describes dry deposition? A Acidic gases are repelled by the surfaces of both…

A: The presence of substances in the atmosphere that causes harmful effects on humans and other leaving…

Q: 1. One common chemical contaminant that is removed from water during water treatment. How is it…

A:

Q: Concentrated’’ sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

A:

Q: 1. What is the molarity of a solution containing 5.3 g H3PO4 added with enough water to have 500 ml…

A:

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

A:

Q: List the main steps involved in treating water for domestic uses?

A: To find: The main steps involved in treating water for domestic uses.

Q: 1. If you put some water in your cup then, sprinkle black pepper all over the surface. What does the…

A: When some substance is added into water, then if its density is less then it will float over the…

Q: is soluble in water. Its water solution is basic. When solid substance is heated, its volume expands…

A: Given: D is soluble in water. Its water solution is basic. When heated, its volume expands and…

Q: Which of the following is a physical process of water purification which separates suspended solid…

A: Sedimentation is a physical water treatment process using gravity to remove suspended solids from…

Q: Fill out this reagent table

A: In the given question we have to predict the boiling point, the melting point, solubility in water,…

Q: o summarise large amounts of water quality data for a specific r

A: Water quality parameter consists of temperature, dissolved oxygen, pH, conductivity, ORP and…

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: H₂N Aqueous laver Solid add Naot пенз and Add Hcl organic layer aqueous layer OH Solid Add NaoH add…

A: Here we are required to separate two organic compound

Q: By placing a bottle of hydrochloric acid next to another of ammonia and removing the corks from…

A: Note: ammonia donates its lone pair to proton forms ammonium ion. Therefore it is called…

Q: Look for the following two things about water treatment (not wastewater). for each, Q1 1. One of the…

A: According to bartleby guidelines we're supposed to answer first question among these questions So…

Q: The maximum safe level of each compound in drinking water is given below. Convert each value to…

A:

Q: A patient's blood pressure read as 130/85 mm Hg.  Express both numbers in terms of pounds per square…

A: A patient's blood pressure read as 130/85 mm Hg. 760 mm/Hg = 14.7 psi

Q: Explain the principle behind the use of cold packs and hot packs. What chemicals are found in each…

A: These hot and cold packs are used by the athlete for reducing the injury to the muscles and joint…

Q: 1. Put some water in your cup. 2. Sprinkle black pepper all over the surface. What does the pepper…

A: Water molecules like to stick to each other and they can attain any shape according to the…

Q: Write TRUE if the BOLD word/phrase makes the statement correct. Otherwise, write the correct…

A: We have to tell whether the bold words/phrases are true or not. If they are not true, then we have…

Q: 9. Polar solvents tend to dissolve ionic and polar molecules while non-polar solvents tend to…

A: polar solutes dissolves in polar solvents and non polar solutes in non polar solvents thus we can…

Q: 9. Determine the volume of concentrated sulfuric acid (density 1.84 g/cm2) containing 98% HaSO, by…

A:

Q: This means the resulting mixture looks like a ____________liquid no matter how much ethanol or water…

A: Alcohol and water both are polar molecules. And like dissolves like that is polar liquids are…

Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

A:

Q: 1. Liquid water is its densest (1 g/mL) at 4 degrees Celsius. Calculate the density of water in g/mL…

A: Interpretation -  To calculate the density of water in g/mL at 4oC and 1atm , when liquid water is…

Q: Suppose you have a mixture of water and your 2-chloro-2-methylbutane product in a separatory funnel.…

A: density of substance is defined as mass upon the volume

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.