Balance the following equations 1.)  Pb(NO3)2 (aq)  +       NH4Cl (aq)   →        PbCl2 (s)   +   NH4NO3 (aq)   2.)  K (s)  +       H2O (l)   →        KOH (aq)   +   H2(g)

Q: CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2O (l) + CO2 (g) Based on the reaction above, how many…

A: The balanced chemical equation is CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2O (l) + CO2 (g) From…

Q: Balance the following equation by filling the gaps with appropriate numbers. Ca + HCI CaCl2 H2

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Q: When in danger, bombardier beetles can fire a hot, toxic mixture of chemicals at their attacker.…

A: Hess's Law of Constant Heat Summation This law states that the overall enthalpy change produced in a…

Q: S. Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed with sand.…

A: The given reactions are, FeTiO3s + 3Cl2g + 3Cs → 3COg + FeCl2s + TiCl4gTiCl4g + 2Mgs → 2MgCl2l + Tis…

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

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Q: This equation models how pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium…

A: Given that, pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium argentocynate). The molar…

Q: Like many metals, aluminum reacts with a halogen to give a metal halide. 2 Al(s) + 3 Br2(ℓ) n…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: A fertilizer railroad car carrying 34,300 gallons of commercialaqueous ammonia (30% ammonia by…

A: In the process of calculating mass of citric acid, first mass of ammonia in the fertilizer needs to…

Q: Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury…

A: The given reaction is:

Q: The complete combustion (reaction with oxygen) of liquid octane (CSH18) a compo- nent typical of the…

A: The combustion equation of liquid octane is given as:C8H18 (l) + O2 (g) → CO2 (g) + H2O (g)Balancing…

Q: Balance the following equation:   _____ Nm2Bf3 (aq) + _____ Cv (s) à ______ Cv2Bf (aq) + _____ Nm…

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of…

Q: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric…

A: Reaction: Sn + 2HNO3 → H2SnO3 + 2NO3 mass of tin = 0.4909 g molar mass of tin oxide  = 150.69 g/mol…

Q: Bromine (Br2) reacts with sulfurous acid (H2SO3), producing dithionate ions (S206) and bromide ions,…

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Q: 1 Balance the following equations: a) C(s) bFe(s) + c) P(s) d) C,H,(g)+ --> CO(g) 2 FeCl,(s) P,O,(s)…

A: Given reactions are : a). C (s) + O2 (g) -------> CO (g)  b). Fe (s) + Cl2 (g) --------->…

Q: White the balanced reactions for the following(i) Potassium Bromide (aq) + Barium iodide (aq)…

A: (a) Potassium bromide(s) + Barium iodide(aq) = potassium iodide(aq)+Barium bromide (s). The balanced…

Q: Q.) complete and balance each of the following chemical equations. a) P, + O, b) Al (OH); c) 2KI +…

A: a) P4 + 5O2 ------> 2P2O5  ( When P4 react with excess of Oxygen then it will formed P2O5 )  b)…

Q: 1. How many GRAMS of manganese(II) are present in 1.89 grams of manganese(II) hydroxide, Mn(OH)2 ?…

A: Number of moles = mass/molar mass  Molar mass of Mn(OH)2 = 88.95 g/mol  Molar mass of Mn(II) =…

Q: Titanium (IV) oxide, TiO2, is a white substance, widely used as a pigment in paints, which is…

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Q: Balance the following chemical equation (if necessary): Ca(C2H3O2)2(aq) + Na,CO;(aq) → CaCO;(s) +…

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Q: 2. Balance this equation: N₂O3 SnO + _____NF¸ ภSnF₂ + If this reaction is performed using 102.3 g…

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Q: The steps to balancing a neutralization reaction when given a verbal description can be summarized…

A: Balance Chemical equation means number of atoms or ions should be equal in both side (reactant and…

Q: Complete and balance the following equations: (a) NaOCH3(8) + H2O(I) (b) CuO(s) + HNO;(aq) (c)…

A: The complete balanced chemical equation for the given reactions are:

Q: What mass of Zn(CN)2 is produced?

A: Mass of Zn(CN)2 produced is 11.70g Zn(CN)2 .

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: Given: Hardness=175 mg CaCO3/L

Q: A supplement was tested for iron content in a laboratory. First, a random sample of 10 tablets…

A: #(a): Given the mass of the iron tablet taken to obtain Fe2O3(s) = 2.7544 g  Mass of pure and dry…

Q: How to write a chemical equation for: _______Cu (s) + _____ O2 (g) ---> ______   Could you…

A: The given equation is to be completed-

Q: Balance the following equation by filling the gaps with appropriate numbers. Co + HCI → CoCl2 +…

A: For balancing an equation, easiest way is to 1st balance that group of elements (compund) which has…

Q: 2 Cro,?(aq) + 2H*(aq) Cr,077 (aq) + H2O(1)

A: The given reaction, 2CrO4(aq)2- + 2H(aq)+  ↔  Cr2O7(aq)2- + H2O(l) Both solutions are in dynamic…

Q: This equation models how pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium…

A: The balanced chemical equation,  2AgK(CN)2(aq) + Zn(s) → 2Ag(s) + Zn(CN)2(aq) + 2KCN(aq) Given,…

Q: Balance the following equation by filling the gaps with appropriate numbers. Co + HCI COCl2 H2

A: We know that  Balanced chemical equation :  A chemical equation in which the number of each type of…

Q: 100.46 g/mol 3. ) 182.9 g/mol Cl,O79) 18.02 g/mol + H¿O 4(aq) a. An initial mass of 5.00 grams of…

A:

Q: What mass of zinc sulfide 19 5. The addition of concentrated hydrochloric acid to manganese (IV)…

A: Given: Mass of HCl= 4.76×10-2g Mass of MnO2 = excess

Q: like many metals , aluminum reacts with a halogen to give a metal halide 2 Al(s) + 3 Br2(l) =…

A: 2Als      +       3Br2 l →…

Q: Balance each of the following chemical equations. BaSO d + KCl(aq) 2(aq) K,SO (an) + BaCl2(a) a.…

A: Answers are explained below. A balanced chemical equation means, it has an equal numbers of of atoms…

Q: Consider the balanced chemical equations shown below. When a 6.00 g sample of a mixture of iron (Fe)…

A: According to the question, we have: Mass of mixture of Fe and Al = 6.00 g Excess of HCl is present…

Q: A few antacids contain aluminum hydroxide, Al(OH)3 (molar mass= 78.00 g/mol). Aluminum hydroxide…

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Q: A supplement was tested for iron content in a laboratory. First, a random sample of 10 tablets…

A: A question based on mole concept that is to be accomplished.

Q: An iron ore sample contains Fe2O3 plus other impurities. A 752-g sample of impure iron ore is heated…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Question in image

A: (a) The volume of the average titer is 15.65 mL or 0.01565 L. The number of moles of triiodide ion…

Q: Hydrogen peroxide can be prepared by the reaction of an acid with an alkaline earth metal peroxide,…

A: The reaction of an acid such as HCl with an alkaline earth metal peroxide i.e. barium peroxide BaO2…

Q: Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury…

A: The balanced reaction taking place is given as, => 2 Ni11As8 + 31 O2 → 22 NiO + 8 As2O5  Given :…

Q: The type of the reaction in the following equation is Fe (s) + O2(9) Fe,O3(s) The type of the…

A: Chemical reaction is that which process in which certain species (reactants) react to form other…

Q: The molar mass of ibuprofen is 206.3 g mol-1 and a standard tablet contains 0.2 g ibuprofen.  What…

A: Given that : The molar mass of ibuprofen = 206.3 g/mol The mass of ibuprofen in a tablet = 0.2 g

Q: Of the balanced chemical equations below, which one most correctly represents a combus tion…

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Q: Lactic acid, found in sour milk, dill pickles, and sauerkraut, has the functional groups of both an…

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Q: In an amazingly violent reaction, water can be synthesized from hydrogen gas a oxygen gas. What is…

A: In water synthesis from hydrogen gas and Oxygen gas, hydrogen gas and Oxygen gas should in molecular…

Q: 2. A 1.1324 g sample of an iron ore is dissolved in acid. The iron is oxidized to a +3 state and is…

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Q: Antimony is alloyed with lead to increase the rigidity of components used in the construction of…

A: Percentage by mass of an element in an alloy can be calculated as the mass of that element in an…