A solution of HClO4 is adjusted with 0.4125 g of primary standard purity HgO (216.6 g / mol) in a KBr solution. The reaction between HgO and KBr is as follows. HgO (s) + 4 Br- + H2O → HgBr42- + 2 OH- What is the molarity of HClO4 if 46.51 mL of acid is used to neutralize the OH-? What is the pH of the buffer obtained by mixing 50.0 mL 0.200 M NaH2PO4 with 50.0 mL 0.120 M HCl?

Q: Calculate the percentage change in Kx for the reaction H2CO(g)=CO(g)+H2(g) when the total pressure…

A: The percent change in the Kx value for the reaction is to be determined.

Q: Calculate the equilibrium constant at 25 °C, for the cell reaction: Ni(s) / Ni²+ (aq) // Ag+…

A:

Q: According to the following reaction, how many grams of carbon tetrachloride will be formed upon the…

A:

Q: Q2) Find the combustion of ethyl-alcohol (C,H;OH) in a petrol the stoichiometric A/F ratio for…

A: (1) Find A/F ratios for 0.9 & 1.2 equivalence ratio (2) Find wet and dry analyses of exhaust gas…

Q: 7) 1.3275g sample of the complex [Co(NH:).CO:]NO: (MM = 249) was burnt in a crucible to convert all…

A: Here, complex molar mass = 249 g/mol Cobalt molar mass = 59 g/mol % Co in sample = (59/249) = 23.7 %…

Q: A solid mixture weighs 0.206 g. It contains gallium bromide (GaBr3) and other inert impurities. When…

A: The mass percent of GaBr3 in the mixture is to be determined.

Q: Q2-A) Aluminum sulfate can be made by reacting crushed bauxite ore with sulfuric acid, according to…

A: Given data: Amount of pure aluminum sulfate = 1798 lb Amount of bauxite ore = 1080 lb Amount of…

Q: For 4-5: Sheldon Cooper, a researcher, obtained a solution with [H 30 *1 = 2.3 x 10 -4 M at 25 °C…

A:

Q: 8. The dissolütión of NH&CIO4) in water is endothermic with AHsolution = 33.5- If you mol prepare a…

A: This problem is based on dissolution of NH4ClO4 Data given: Molality of the solution = 1.00 m…

Q: Exereuse 1. 69 The total combustions of mole of Liquid methanol under Standard pressure and…

A: Moles of methanol = 1 molAmount of heat released during combustion at STP = 725.2 kJ/mol

Q: 52.6 mL of 0.1049 M methylamine (CH,NH2) is titrated with 0.0502 M HI. Determine the pH of the…

A:

Q: Q2 Sulphur trioxide gas is obtained by the combustion of pyrites (FeS,) according to the following…

A:

Q: Q1// Calculate change in standard enthalpy of formation AH (Fe203) and Standard Enthalpy of…

A: Calculating the standard enthalpy of formation:

Q: A 30.00-mL sample of an unknown H3PO, solution is titrated with a 0.100 M NAOH solution. The…

A: Given: The balanced chemical reaction is, H3PO4(aq.) + 3NaOH(aq.) → 3H2O(l) + Na3PO4(aq.) The…

Q: 13.9 mole Boron Trichloride (BCl3) enter a reactor with 22.3 mole water for the following reaction:…

A: Boron trichloride reacts with water to give hydrochloric acid fumes and boric acid. A significant…

Q: For the following reaction, CaCl2(aq) + 2NaHCO3(aq) → CaCO3(s) + H2O(l) + CO2(g) + 2NaCl(aq) If…

A: Given that, CaCl2(aq) + 2NaHCO3(aq) → CaCO3(s) + H2O(l) + CO2(g) + 2NaCl(aq) The mass of CaCl2 =…

Q: At 35°C, K=1.6x10−5 for the reaction 2NOCl(g)↔2NO(g) + Cl2(g) a. Calculate the concentration of all…

A: The reaction given at 35 oC is; 2NOCl(g)↔2NO(g) + Cl2(g) Equilibrium constant: k = 1.6x10-5…

Q: What is the pH of an aqueous solution consisting of 0.070 M formic acid (HCOOH) and 0.070 M sodium…

A: Formic acid is a weak acid with dissociation constant Ka = 1.8 X 10-4  And since we have weak acid…

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A:

Q: The Ksp of calcium fluoride (CaF2) for the reaction: CaF2(s) =Ca2+ (ag) + 2E°(aglis

A:

Q: Q2// Calculate change in standard enthalpy of formation AH (Fe203) and Standard Enthalpy of…

A:

Q: For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant…

A: When a chemical reaction occurs, there is a characteristic change in enthalpy. The enthalpy change…

Q: If 22.5 g of NaOH is added to 0.800 L of 1.00 M Zn(NO₃)₂, what mass in grams of Zn(OH)₂ will be…

A: Given reaction: 2NaOH(aq)+Zn(NO3)2(aq)→Zn(OH)2(s)+2NaNO3(aq) Mass of NaOH added = 22.5g 0.800L,…

Q: For the following reaction, 4.81 grams of barium hydroxide are mixed with excess sulfuric acid. The…

A:

Q: Calculate the equilibrium constant for the following reaction at 60°C using the data at 298°K H₂O(g)…

A:

Q: The gas phase polymerization reaction of the propylene compound is as follows: 2 C3H6 (9) n-C6H12…

A: Reaction,Data,

Q: A gas mixture containing 30% C2H4 and 70% H₂O reacts to obtain ethanol according to the following…

A: The objective of the question is to determine whether the reaction can produce the target amount of…

Q: Consider the following reaction Mg(s) + Ca(OH)2 (aq) → Ca (s) + Mg(OH)2 (aq) a) [t] What type of…

A:

Q: Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals,…

A: To find:The assumptions made and the proposed cooling illustration.Given:The reaction occurring in…

Q: 4FES2 + 150z – 2F€203 + 8S03

A: Sulphur trioxide gas is obtained by the combustion of FeS2 (pyrites)  4FeS2  +   15O2…

Q: The Chemical formula is given below for a monomer: • Write the condensed chemical formula for the…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Chemical Equilibrium In an industrial process, methanol is produced from the following reaction. CO…

A: Methanol is produced from the synthesis gas and used in the development of biorefineries as an…

Q: When hydrogen sulfide reacts with oxygen, water and sulfur dioxide are produced. The balanced…

A:

Q: Consider the following balanced equation, an important reaction in the industrial manufactur of…

A:

Q: Consider the following reaction where K,1.29x10 at 600 K: 123 (3) + () 00 () p0) A reaction mixture…

A: Given data: Number of mole of CoCl2 = 0.129 mol Number of moles of CO = 5.08 ×10–2 mol Number of…

Q: 112g of aluminum carbide reacts with 174g water to produce methane and aluminum hydroxide in the…

A: The limiting reactant in a chemical reaction is the reactant that will be consumed completely. Once…

Q: Q1// Calculate change in standard enthalpy of formation AH (Fe203) and Standard Enthalpy of…

A: Step 1:-Enthalpy of formation is defined as the heat change when on mole of a new compound is formed…

Q: Determination of Kc: Suppose that we prepare a mixture by mixing 10.0 mL of 2.00x10 ³ M Fe(NO3)3…

A: Initial concentration of  10 ml of  Fe(NO3)3 = 2.0 × 10-3 M Initial concentration of 10 ml  KSCN =…

Q: Hydrodealkylation is a process in which side chain alkyl groups (like methyl) are removed from…

A: Data

Q: Hydrogen sulfide is characterized by a rotten egg smell. This odorous gas can be removed from…

A:

Q: Q2// Calculate change in standard enthalpy of formation AH (Fe203) and Standard Enthalpy of…

A: The given reaction is:The reverse reaction is :When the reaction is reversed, the sign of enthalpy…

Q: How many moles of HNO₃ will be produced from the reaction of 27.5 g of NO₂ with excess water in the…

A:

Q: Pure ethanol is also known as absolute alcohol. To qualify as "absolute," the ethanol must contain…

A: Absolute ethanol is produced from extractive distillation.