Can you separate Calcium carbonate from sand and water through the process of precipitation, if yes, what will happen to sand?

Q: Table 4.9 ( data)Before combustion After combustionAppearance of sample…

A: The unheated sample (magnesium metal) is white in colour and after combustion, it results in the…

Q: Is a substance like AgCl 100% insoluble? Figure out a simple experiment to justify your answer

A: silver chloride is a white crystalline compound with the molecular formula AgCl it is insoluble in…

Q: The presence of carbon dioxide.

A: Carbon dioxide occurs both in free form or in combination as carbonates. It is present in the…

Q: Write the balanced NET IONIC equation for the reaction that occurs when ammonium nitrate and sodium…

A: In this question, first we will discuss about net ionic equation, and then Reaction classification…

Q: What is the Hydronium ion concentration? What is the pH of the solution?

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Q: Generally, the oxides of nonmetals react with water to form _____ solutions. A) Acidic  B) Basic…

A: A strong acid is an acid that dissociates to make protons available for reaction. Acid mainly…

Q: In lowa, the roads are often "salted" with soluble ionic compounds to reduce ice formation. Which of…

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Q: Balance the following: When ammonium carbonate is dissolved in water, it dissociates into aqueous…

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Q: Why does salt dissolve in water? What is happening at the molecular level?

A: *  Salt dissolve in water, because the covalent bonds of water are stronger than the ionic bonds in…

Q: Without doing any calculations it is possible to determine that iron(II) hydroxide is more soluble…

A: The salts that do not dissociate completely in aqueous solution are called sparingly soluble salts.…

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: Write a chemical equation representing the decompositionof water into two gaseous products. What…

A: The chemical equation for the decomposition of water has to be given and the products has to be…

Q: Write a balanced chemical reaction for the oxidation of zinc metal with hydrochloric acid.  (The…

A: The balanced chemical equation of the reaction consists of equal number of atoms in both the…

Q: The Haber-Bosch process, devised in the early 20th century, revolutionized global industry. It…

A: The reaction taking place is given as, => N2 (g) + 3 H2 (g) --------> 2 NH3 (g)…

Q: the figure below shows what happens when ammonium chloride decomposes giving ammonia (which is a…

A: a) NH3 and HCl are two gases separately discovered after passing through glass wool.  NH4OH…

Q: How would you prepare the following substances by precipitation? a. PbSO4 b. FeS c. CoCO3 d.…

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Q: Sulphur cycle What are the reservoirs of sulphur and give the examples? Discuss the essential…

A: Please find your solution below : Sulphur cycle is a cycle which describes the movement of sulphur…

Q: Why are aqueous titrations not suitable for pharmaceutical analysis? use your own words to explain

A: Titration is an analytical method for the quantitative determination of an analyte by adding of…

Q: Write the dissolution equation showing how solid lithium carbonate breaks up into ions in water; it…

A: The formula of lithium carbonate is Li2CO3. It is a weak electrolyte. Weak electrolyte are those…

Q: Barium hydroxide solution was mixed with lithium phosphate solution at room temperature.     Does…

A: The product formed when barium hydroxide solution was mixed with lithium phosphate solution at room…

Q: what is the solubility level of potassium nitrate and sodium chloride?

A: The process in which a solute (may be in solid, liquid or gaseous phase) tends to dissolve in a…

Q: 300.0 mL of 0.375 mol/L AGNO3 is mixed with 250.0 mL of 1.20 mol/L NazCO3 a) Write the balanced…

A: Given, Volume of AgNO3 = 300 ml , Molarity of AgNO3 = 0.375 mol/L Volume of Na2CO3 = 250 ml ,…

Q: Which of the following causes passivity a- putting a piece of copper in conc.HNO3 b- putting a piece…

A: Given,  Which of the following causes passivity = ?  Options are : a). Putting a piece of copper in…

Q: applications of precipitation in chemistry?

A: INTRODUCTION: Precipitation reaction is defined as the reaction in which precipitates form in…

Q: Suppose Cao is placed in a vacuum in which the partial pressure of oxygen is 10^-5mm Hg. Will Cao be…

A: At 10-5 mbar oxygen pressure,  CaO surface starts degrading at such conditions. We relate the…

Q: Equation 11.5:    Starch + I2 ---> blue color  Table 11.5 (data)   Substance Tested…

A: Table 11.5 (data) Substance Tested SolidsRate of O2 Evolution(after 2min)Iron (III) oxide (Fe2O3)…

Q: Write the balanced equation for the neutralization reaction between HCl and Ba(OH)2 in an aqueous…

A: HCl is a monoprotic acid (1 H+) and Ba(OH)2 has 2 OH- groups, so it will require 2moles of HCl to…

Q: is Kp fo

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Q: An organic compound P with molecular formula C2H6Ois an active ingredient of all alcoholic drinks.…

A: Organic compound(P) is an active ingredient of alcoholic drinks and it is also used in medicine.…

Q: Suggest a reason why it is desirable to use an excess of barium ion in the precipitation.

A: There is am advantage of adding a access amounts of barium ions in the precipitation

Q: The following changes are definitive pieces of evidence of a chemical reaction has occured. Select…

A: What is the evidence that chemical change has occurred.

Q: Heat is produced b. The concentration of the water increases c. The concentration of NaC2H3O2(aq)…

A: According to Le-chatlier principle if we disturb equilibrium by changing pressure,temperature, or…

Q: How to determine the concentration of hydrogen peroxide?

A: To find: How to determine the concentration of hydrogen peroxide

Q: Acid rain can leach metals, such as zinc from the soil. This can result in elevated levels of metal…

A: Given: 1. Acid rain can leach metals, such as zinc from the soil. 2. Explain what type of reaction…

Q: The reaction between an acid and salt is: Oxidation Precipitation Neutralization Hydrolysis

A: Acid is a substance which can donate Hydronium ion or proton in an aqueous solution . Substance…

Q: a) What is metastable equilibrium? Explain with reference to the water system.

A: As you have asked multiple questions, We have answered your 1st question. If you want an answer to a…

Q: Write the balanced neutralization reaction between Ca(OH), and HBr.

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Q: Define and explain the importance of water source.

A: Water: Chemically, water can be defined as the inorganic liquid that has the molecular formula H2O.…

Q: gravimetric analysis. Explain the process and its importance in precipitation.

A: Gravimetric analysis is a technique through which the amount of an analyte (the ion being analyzed)…

Q: Property of the Group 2 elements that increases with their atomic number is?  A) Ionization energy…

A: Group 2 elements are also known as alkaline earth metals.

Q: In an experiment, 0.500 mol of Fe(NO3)3 is dissolved in water to produce an 2.00 L solution. The…

A: Molarity is the count of moles of solute present per liter of solution. It is denoted by M and its…

Q: Which of the following would decrease the rate in which a solid dissolves in a liquid? A. increasing…

A: A supersaturated solution is a solution that contains more than the maximum amount of solute that is…

Q: Write the chemical equation that describes the dissolution of alum in water and describe how many…

A: Alum is the colorless salt of aluminum which is used in the purification of drinking water, in waste…

Q: Instant cold packs utilize the formation of an aqueous solution of ammonium nitrate. A. Describe why…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: A student is planning an investigation of an acid-base reaction. Which of the following is not an…

A: Given Methods Are   pH meter Conductivity meter pH paper Visual Chemical indicator

Q: What is the mass of solute, in grams, in 300. ml. of a 1.299 x 10 M solution of NaPO,? Mass of…

A: To solve the given question we need to know the following 2 formulae: Number of moles of solute in a…

Q: When the magnesium is not allowed sufficient oxygen, some magnesium oxide, Mg3N2, forms. How does…

A: Magnesium nitride, which has the substance recipe Mg3N2, is an inorganic compound of magnesium and…