Hydrobromic acid dissolves solid iron according to the reaction: Fe(s) + 2 HBr(aq) FeBr₂(aq) + H₂(g) What mass of HBr (in g) do you need to dissolve a 3.2-g pure iron bar on a padlock? What mass of H₂ would the complete reaction of the iron bar produce?

Q: Many mining operations produce tailings that can be oxidized to form acids, including sulfuric acid.…

A: In the given balanced equation, 4 mol CuFeS2 produces 4 mol of H2SO4. Hence mole ratio = 4/4 or 1/1…

Q: Consider the following reaction: Mg²(aq) + Cu(s) → Cu²*(aq) + Mg(s). In this reaction, Mg²(aq) is:

A: Given :-  Mg2+(aq) + Cu(s) →Cu2+(aq) + Mg(s)  To determine :-  nature of Mg2+(aq)

Q: When solutions of potassium hydroxide and aluminum nitrate are mixed, aqueous potassium nitrate and…

A:

Q: Consider the following generic chemical equation : 2A + 5B ---> C + 3D If you react 4 units of A…

A: Given: The reaction is as follows: 2A + 5B ---> C + 3D. We have, 4 units of A. 10 units of B.

Q: a. The combustion of ethanol (C2 H; OH) forms carbon dioxide and water vapor. A combustion reaction…

A:

Q: The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and…

A:

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A: MnO2 reacts with strong acid HCl and gives MnCl2 and water. This reaction also produces Chlorine…

Q: In the “Methodé Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine.…

A: 750 ml Of grape juice is allowed for fermentation untill 12.5% by volume of ethanol. Density of…

Q: Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3).…

A: Given: Mass of salicylic acid = 1.00 x 102g= 100g To find: The mass of acetic anhydride Maximum mass…

Q: A stock solution of hydrochloric acid is prepared by dissolving 15.7 g hydrochloric acid in enough…

A: Given  mass of HCl = 15.7 gram  Volume of solution = 749 mL  1000 mL  = 1 Liter  749 mL    =…

Q: Write the word equation and chemical equation of the following reactions. 1. Solid metal (K0 and…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Classify the following type of reaction: Mg(s) + HCl(aq) → MgCl₂(aq) + H₂(g)   A) single replacement…

A: Classify the following type of reaction: Mg(s) + HCl(aq) → MgCl₂(aq) + H₂(g)

Q: For the following reaction, 66.8 grams of silver nitrate are allowed to react with 24.6 grams of…

A:

Q: When 18.2 hg of water is used in a reaction, how many molecules were reacted? (Assume that the…

A: Here we have told that 18.2 hg of water is used in a reaction. Then we have to tell that how many…

Q: Consider the following two-step reaction sequence. 2HCI + CaCO3 → CaCl2 + CO2 + H2O 2NazPO4 + 3CaCl2…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given the volume of the ground water sample contaminated with CdCl2(aq) = 200. mL  Molarity of…

Q: na certain experiment, 500. mL of 2.0 M AgNO3 (aq) is mixed with 500. mL of 4.0 M NaCl (ag). A…

A: Percent yield -  It shows how much actual product is obtained as compared to the maximum possible…

Q: In the lab, a student makes a solution of KOH by dissolving 52.0 grams of solid in 255 mL of water.…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given data,Concentration of AgNO3=67.0mMMass of AgCl formed=5.6mgVolume of sample=200mLWe know, 1 L…

Q: Hydrochloric acid can dissolve solid iron according to the following reaction.…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.…

A: Given, 4HCl(aq) + MnO2(s) → MnCl2(aq) + 2H2O(l) + Cl2(g) mass of MnO2 react = 42.5 g mass of HCl…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Balanced equation is : MnO2(s)+4HCl(aq)--------------> MnCl2(aq)+2H2O(l)+Cl2(g) Chlorine is at,…

Q: rock is to precipitate the phosphorus as MgNH4PO4, which is then heated to tum it into Mg2P2O7. What…

A:

Q: Consider the following reaction: C3H8 + O2 → H2O + CO2. (a) Balance the reaction. (b) If you start…

A: We have a unbalanced equation , we have to balance it, Then we are having 100 g of each reactant ,we…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A:

Q: When potassium dichromate is added to concentrated hydrochloric acid, it reacts according to the…

A: Interpretation: From the given information, The final concentration of Cr3+ (aq)  and the number of…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Here only we have to use the mass of AgCl precipitate. We convert it into moles and from that we can…

Q: A 25.0-g sample of a bright blue, crystalline solid is heated in the presence of air. The solid…

A: A decomposition reaction can be described as a reaction in which the compound breaks down into two…

Q: In the molecule HClO4, what is the total of the oxidation numbers of the one hydrogen and four…

A: (a) According to the electroneutrality principle, in a neutral compound                         "The…

Q: A sample of potassium phosphate (K3PO4) is added to 15.0 mL of 0.050 M silver nitrate (AgNO3),…

A: Given: Molarity of AgNO3 = 0.050 M Volume of AgNO3 = 15.0 mL Molar mass of Ag3PO4 = 418.58 g/mol

Q: When solutions of silver nitrate and sodium chloride are mixed, silver chloride precipitates out of…

A: Consider the given balanced equation is as follows; Reaction:       AgNO3aq     +    NaClaq      →…

Q: Sodium carbonate, Na2CO3, is commonly used to neutralize acid spills in the laboratory. The…

A: Neutralization reaction: A chemical reaction in which an acid and base react together to form a…

Q: A) combination reaction B) decomposition reaction C) single-replacement reaction D)…

A: In chemical reaction Pnvolve simply the exchangeof partner in the Reaction to form products.Neither…

Q: How many grams of O2(g) are required to react completely with a piece of magnesium metal that…

A: Given data,  A piece of magnesium metal that measures 0.10 cm × 1.0 cm × 4.0 cm  Density of…

Q: Hydrobromic acid dissolves solid iron according to the following reaction:…

A: In order to solve this question, we will be using simple mole concepts and as per the reaction,…

Q: 1.45-g sample of oxalic acid, H2C2O4, is dissolved in distilled water to make 50.00 mL of aqueous…

A: Redox reaction- the reaction in which oxidation and reduction takes place simultaneously called as…

Q: The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and…

A:

Q: Write the balanced NET ionic equation for the reaction when aqueous aluminum nitrate and aqueous…

A: To write net ionic equations we follow these rules : 1) Write the balanced molecular equation with…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: The question is based on the concept of solutions. we have to calculate concentration of Nickel…

Q: Many mining operations produce tailings that can be oxidized to form acids, including sulfuric acid.…

A:

Q: Many mining operations produce tailings that can be oxidized to form acids, including sulfuric acid.…

A:

Q: Mass of beaker 50.5g Mass of marble before reaction 3.0g Mass of marble after reaction…

A: Formula of marble-   CaCO3 Reaction of marble with HCl CaCO3 (s) + 2 HCl (aq) →CaCl2 (aq) + CO2…

Q: Consider the following reaction:            Mg(s)    +      2HCl(aq)        →            MgCl2(aq)…

A: In a chemical reaction, reactants react to form the products.  Each reaction is characterised by…

Q: When a solution of copper(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S, a…

A: When a solution of copper(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S, a…

Q: Hydrobromic acid dissolves solid iron according to the following reaction:…

A:

Q: For the following reaction, 48.5 grams of potassium hydrogen sulfate are allowed to react with 23.0…

A: Given-> Weight of KHSO4 = 48.5 gm Weight of KOH = 23.0 gm

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: In this first amount of tin(II) chloride is determined with the help of balanced reaction then…