Potassium hydroxide (KOH), glucose and methylene blue are added together in a test tube. Why did we shake the solution? (Hint: Mixing up the chemicals is not the answer.)

Q: Distillation is a physical process of separation of liquids that differ in what physical property?…

A: Distillation is a process of separating mixtures based on differences in their volatile in boiling…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: We have to determine the major species present when given compounds are dissolved in water

Q: the percentage by mass of water in a sample of dog food

A: In this we have to explain the percentage by mass of water in a sample of dog food  and draw a flow…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: I hope this helps you! Thank you!  If there's any doubt comment down i will surely be there to help…

Q: Consider a 1.0 mol/L HCN(aq) solution. What properties would this solution have? It would turn…

A: We have given that 1 mol/L HCN acid

Q: A student dissolves 20. g of aniline (CH,NH,) in 500. mL of a solvent with a density of 0.83 g/mL.…

A: Given :- mass of aniline = 20.g  Volume of solvent = 500.mL  Density of solvent = 0.83 g/mL  To…

Q: A student dissolves 17. g of methanol (CH3OH) in 500. mL of a solvent with a density of 1.11 g/mL.…

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Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: We have to complete the given table.

Q: In the laboratory you are asked to make a 0.434 m calcium iodide solution using 375 grams of water.…

A: Given information,   0.434 m calcium iodide solution   Mass of water = 375 grams = 0.375 kg

Q: olution concentrations are critical in knowing how much a molecule or substance is contained in a…

A: Concentration in terms of molarity is defined as the number of moles of solute present in one litre…

Q: What are some common uses and properties of soda ash?

A: Some common uses and properties of soda ash has to be given below.

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: Sulfuric acid is one of the most widely used inorganic acids. You have a sulfuric acid solution in…

A: Given: Volume of solution = 20.20 mL Mass fraction of sulfuric acid in the solution = 20.20% Density…

Q: Is water available in ethanol?

A: Ethanol is an organic chemical compound. It is a primary alcohol. Its formula is CH3−CH2−OH. It…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: The capacity of a substance to dissolve in water and create a uniform solution is referred to as its…

Q: A bubble of air escaping from a diver's mask rises from a depth of 163 ft to the surface where the…

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Q: Suppose 84.3 g of potassium dihydrogen phosphate (KH2PO4) are dissolved in 8.70 L of water. Find the…

A: I hope this is helpful If you have any doubt you can ask me for clarification.

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A:

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A:

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given that, we have to tell the major species present when the following compounds dissolved in…

Q: Suppose you test a sample of a carbonated beverage with concentrated nitric acid and 2.5% ammonium…

A: Ammonium molybdate is used as a reagent in various qualitative analysis.

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: It is based on the concept of dissolution.Here we are required to find the species that are formed…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: we have to determine the major species present when the given compounds are dissolved in water

Q: A solution is prepared by mixing 694.0 mL of ethanol with 506.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 694.0 mL of ethanol and 506.0 mL of water.

Q: major species present when dissolved in water compound formula potassium carbonate K,co, iron(III)…

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Q: Dissolve a spatula-tip of lead(II) nitrate in 5 mL tap water in a test tube. In another test tube,…

A: Precipitation reactions: These are the type of reactions when two soluble solutions after mixing…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: We need to find the major species present when it's dissolved in water. As we know, ionic compounds…

Q: solution. Which of these is true of all solutions?     They all include water. They all include…

A: A solution is formed when we add food coloring to water. We have to select most appropriate option…

Q: Provide brief explanation about the chemistry principle and concept of the following reaction

A: Description: Treatment of an alkylbenzene with potassium permanganate results in oxidation to give…

Q: What volume of 20.00 % NaCI must be diluted to make 500.00 mL of 1.2% NaCl, also known as normal…

A: Dilute solution is the solution in which the amount of water is higher than the amount of solute.…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

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Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 137.48 g MEOH per 45.27 mL…

A:

Q: freezing

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Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given,Isopropanol C3H8OSodium hydroxide NaOHCopper (II) iodide CuI2Required,…

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: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Given, Potassium carbonate K2CO3 Copper (II) chloride CuCl2 Sodium nitrate NaNO3     Required,…

Q: The legal limit of blood alcohol limit in most states is 0.080 grams per 100.0 grams of blood. What…

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Q: What mass of solid NaOH would be needed to make 645 mL of Freddy's I

A: Ans. This can be calculated by applying moles formula.  Moles is equals to given mass divided by…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

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Q: You desire a sweeter tasting Kool-Aid. You've already saturated the Kool-Aid with sugar. In order to…

A: Given : The solution is already saturated with sugar.

Q: Why does it take a long time for a polymer (PVA) to dissolve in water when a similar mass of sugar…

A: A polymer will take long time to dissolve in water but compounds such as sugar (sucrose) or NaCl…

Q: A technician was analysing some waste water from an industrial plant. He collected 500 mL of the…

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Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

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Q: Consider the addition of NaCl to the ice-water mix in Part II. Which of the following statements is…

A: Depression in Freezing point is the lowering of Freezing point of the solution on addition of…

Q: 38. A public water supply was found to contain 1 part per billion (ppb) by mass chloroform, CHCI 3.…

A: