Potasium 17. CH,I 8. KP Iodomethane Phosphide 9. НCN Cyanic Acid 15. | Н,S Hydrogen Sulfide

Q: (a) Classify the following reactions as acid/base, precipitation or redox. (i) 2HCl (g) + F2…

A: Applying definition of different type of inorganic reaction.

Q: Calculate the concentration of phosphate in the water sample expressed in mg L1.

A: Concentration of Phosphate standard solution = 102.2 mg/L Volume of each standard solution = 100 mL…

Q: 2 О OH О + Ar H Ar ОН ОН 0 S 0 H20, 80ºC, 3h Ar OH OH Ar O OH О Но Ar Н Н OH І O 0. H Ar Н 4

A: Please find the attachment.

Q: What substances remain undissolved by the acid and alkali

A: ANSWER IS DISCUSSED BELOW

Q: lon-ion potential energy for Ca2+ and Cl ions separated by 15 pm in aqueous solution (ɛ= 78) is…

A: Given that: The charges are separated by a distance, r = 15 pm = 15×10-12 m ( as 1 pm = 10-12 m) The…

Q: The mg/L concentrations of 2.50x104 M solutions of HNO, (F.wt 63 g/mol) equal. 15.57 15.75 17.5 15.5

A:

Q: For all metal ion - EDTA complxes, what is the relationship between the conditional formation…

A: A quantitative analysis where the amount of substance is calculated by measuring the volume is…

Q: Calculate the ionic strength (j) for a) the solution of AlCl3 (0.01 N) + Ca(NO3)2 (0.002 M)…

A:

Q: Please Answer my question from the picture im send... And note With same dengan.. God bless you ..…

A: The question is based on the concept of qualitative analysis. We have to distinguish the molecules…

Q: The hardness of water is usually expressed in parts per million (ppm) by mass of CaCO3. What is the…

A: The concentration of calcium ion in the given sample is 1.1×10-3 M. That means we have 1.1×10-3…

Q: A solution is prepared by dissolving 3 x 10-³ mol PbI2 in 1L of hot water. Calculate the reaction…

A:

Q: The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The…

A: The relationship between ∆S°, ∆H° and ∆G° is given by  ∆G° = ∆H° - T∆S° where T = temperature in…

Q: As2. .. What is the minimum pH needed to prepare 1% sodium phenobarbital in water? Intrinsic…

A: We have to prepare 1% sodium phenobarbital in water. Solubility = 0.004M MW = 232.2g/mol pKa = 7.41

Q: What are the fundamental prerequisite of the Sarbanes Oxley act and how it is beneficial to…

A:

Q: totich oganie Sotent wotd be better to राफ्फंचंगी खुणापं जिला चनाने प्रष्णेवी अट कुिटनंक 10 exfसतल…

A: Steam distillation is the process used in labs to extract essential oils. It is based on the…

Q: A solution (total volume = 1L) of 0.4 M NH3 contains 12.78 g of NHẠCI (MW = 53.491 g/mol). Kb = 1.8…

A:

Q: Bacteria in the human mouth release enzymes to break up sucrose, and then polymerize glucose to form…

A: Given:       Ka of lactic acis = 1.38×10-4       Initial concentration of lactic acid =0.10 mol/L

Q: Conc. HNO, H3C. NH КОН NH

A: With HNO3,oxidation takes place and then hydrolysis with KOH.

Q: 4. What volume of 2.25M H;SO, should be diluted with water to prepare 1.5 Lof 1.20 M acid?

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: The pH of 0.075 M NH3 solution (Kb for NH3 = 1.75 x 10-5) %3D O 4.94 O 2.09 11.05 O 12.03 8.02

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the…

Q: Around 15 g of Ba(NO3)2 can be dissolved in water. Calculate from that the Ksp for Ba(NO3)2

A: Ksp represents the solubility product constant which can be calculated with the help of known value…

Q: A solution is prepared initially containing 1 mM Au(NO3)3 and 100 mM KCI. Calculate the…

A: Concentration of Au(NO3)3     = 1 mM Concentration of KCl solution = 100 mM logβ1= 6.98 logβ2= 13.42…

Q: (Calculate the molar (M) concentration of H2S04 solution of 0.250 N, to produce sulphate ion S04^(-2…

A: Given concentration of H2SO4  = 0.250 N  where "N" indicated for Normality    We know that…

Q: HBr (1 equivalent) HBr (excess) Br, (1 equivalent) Br, (excess) H2, Pt catalyst NaNH2, NH3(ig) 1)…

A: The compound which has atleast one C≡Cbond is called as alkyne. So as there is atleast one C≡C bond,…

Q: Calculate the PH and the POH FOR a solution that is ISM IN Hellz and .04M IN HALO₂, Heloz K; FOR…

A: HClO3(aq) is a strong acid, whereas HClO2(aq) is a weak acid with Ka = 1.1*10-2  Given [HClO3(aq)] =…

Q: A solution is prepared initially containing 1 mM Au(NO3)3 and 100 mM KCl. Calculate the…

A: The question deals with the formation constant of a complexation reaction. When a reaction between a…

Q: How does tnis meenanim O aw ? 1. NacN 2.Hz INi

A:

Q: H.W: Calculate the M.Wt. for : Ca(OH), , NaHCO,, MgSO,-7H2O 4

A: Calculation  of molecular weight.

Q: Calculate the molar concentration of OH- in a 0.724 M solutionof hypobromite ion (BrO-; Kb = 4.0 x…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: Which among the following would tin(lI) hydroxide (Ksp = 1.4 x 10-28) be most soluble in? O 2.13 mM…

A: Given: Tin (II) hydroxide i.e. Sn(OH)2.

Q: Water is a peculiar molecule. Based on the atomic composition, it is composed of hydrogen and…

A: In water hydrogen and oxygen molecules are bonded covalently.

Q: D clhsy the folloy as solve ti prohe, Aprehic and Amphipratic Hd ly se N v, CHelz V CH COOH vi, CHe…

A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…

Q: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: 1. For the chelating reaction Co3+ + 3 en → [Co(en)3]³+ a) Show chemical equations and write…

A:

Q: These is/are used as sequestering agent/s: I. CuSO4 II. KNaC4H4O6 III. Na3C6H5O7 IV. NaOH…

A: In order to determine whether a molecule can act as sequestering agent or not, it is important to…

Q: The first step in purifying the urine collected on the ISS is to treat every liter of urine with 20…

A: #(a): H2SO4 is a diprotic acid. The dissociation equations are: H2SO4(aq) ----> HSO4-(aq) +…

Q: The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The…

A:

Q: tamples of Nal () and NII,CI () we dissolvednsrparate beakes that ech contan 100 ml. of water One of…

A: HCl is stronger acid than Hf.

Q: 98 grams of sodium acetate (Mol. wt =82 g/mol) were placed in 764 mL of water such that the final…

A:

Q: 18. How many grams of ammonium nitrate must be weighed out to make 415 g of a 58.0% by mass…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in a…

Q: Calculate pH of a solution containing 0.50 M NaOCI and 0.75 M HOCI. (K, of HOCI = 3.2 x 10 8) O7.89…

A:

Q: Hypobromous Acid, HOBr, and hypoiodous acid, HOI are both weak acids.  Which acid is stronger and…

A: Hypohalous acids tend to be weak acids and they tend to get weaker as the halogen progresses further…

Q: Calculate the AH for the reaction: N2O4+ CO → N½O+ CO2

A: N2O4 (g) + 3CO (g)   ------>  N2O (g)  + 3CO2 (g) Enthalpies…

Q: A groundwater contains 2.00 mg/L copper as Cu²*. What concentration (mol/L) of hydroxide is required…

A: Given: Groundwater containing copper ions Cu2+= 2.00 mg/L To Find: Concentration of hydroxide…

Q: For the following, identify the most likely value for x: BH,

A: Introduction: We have to tell the value of x.

Q: For the equilibrium H2O (l) = H2O (g), Aps® = 118.9 J/(mol K) and A,H®= 44.0 kJ/mol. Calculate the…

A:

Q: aDünat is tHe molar ity of adu cose solicton n that contans0 € ciptigo (190.18 almol) dissoved in…

A: Applying formula M=( n/V)×1000

Q: The Ka for HF is 7.0 x 10-4 Kb for the fluoride ion is

A: at 25°C  Ka  x Kb  = 10-14  Given that  Ka = 7 x 10-4  HF is weak acid and its conjugate base is…