Which vitamin(s) is/are water soluble? A. Vitamin E B. Vitamin D C. Vitamin K D. Vitamin B12

Q: What mass of ZnCl₂ can be prepared from the reaction of 1.69 grams of zinc with 1.10 grams of HCI if…

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Q: (Incorrect) Which of the following is the reducing agent in the reaction shown below? 3 As203 +4 NO3…

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Q: An aqueous solution contains 0.309 M ethylamine (C₂H5NH₂). How many mL of 0.211 M hydroiodic acid…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Suppose 0.380 g of lead(II) nitrate is dissolved in 250. mL of a 23.0 m Maqueous solution of…

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Q: In a 0.73 mM aqueous solution of trimethylacetic acid (C₂H,CO₂H), what is the percentage of…

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Q: For the reaction shown below, indicate whether the equilibrium shifts to the left, (enter L), to the…

A: when: the volume of the reaction vessel is increased. H2(g) + I2(g) ⇌ 2 HI(g), ΔH°rxn = +22.1 kJ/mol

Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the first…

A: The given reaction scheme is shown below We have to draw the structure of the first intermediate of…

Q: The customer requests that a 22 percent KCl water be pumped for 85 barrels displacement fluid. How…

A: We know that, 1 Barrel = 158.9 Liters (approax) Mass of 1 L water is 1 kg so the mass of 1 barrel…

Q: The rate constant for this first-order reaction is 0.280 s at 400 °C. A products How long, in…

A: A -----> product Reaction follows first order kinetic. Rate constant (k) = 0.280 s-1 Initial…

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

A: E°cell = E°cathode - E°anode  E°cathode = reduction potential at cathode E°anode = reduction…

Q: What are the products of the following reactions: a) ● b) c) 1. AICI3 2. H₂O 1. AICI3 2. H₂O 1.…

A: In Friedel Crafts reactions, the lewis acid ( example ; AlCl3) is used to generate electrophile.

Q: A 5.65 L vessel contains 22.0 g of PC13 and 3.35 g of O₂ at 15.0 °C. The vessel is heated to 215 °C,…

A: Mass of PCl3 given  = 22 g and mass of O2= 3.35 g

Q: A student performs the woosh demonstration with ethanol instead of isopropyl alcohol. 40 cm3 of…

A: A student performs the woosh demonstration with ethanol instead of isopropyl alcohol. 40 cm3 of…

Q: Make an electrochemical cell diagram from the following information. How many electrons were…

A: The half cell having the higher value of standard reduction potential undergoes reduction where as…

Q: C. The reaction of Hydrogen bromide solution and sodium hydroxide solution yields sodium bromide…

A: What to determine?

Q: 2. Draw the following compounds showing the hapticity (n) of the cyclooctatetraene (COT) ligand…

A: Haptacity :- Haptacity is the property of ligand. The number of donar atom of a ligand is directly…

Q: you are given 90.00 ml of 0.165 M of the weak base NH3 (Kb = 1.8 x 10^-5) and 0.330 M of strong acid…

A: Molarity of NH3 = 0.165 M Volume of NH3 = 90.00 mL Kb = 1.8 ×10-5Molarity of HCl = 0.330 M

Q: 14. Give the major organic product(s) of each of the following reactions.

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Q: What is the IUPAC name for the following 6. compound? 5. ABCDE A. B. C. E. CN…

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Q: 9. u ABCDE Predict the product for the following reaction. A. ethyl 3-methylbutanoate ethyl…

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Q: What is the concentration of calcium ions in a 0.500 M CaCl2 solution?

A: Given that, Molarity of CaCl2= 0.500M then, Concentration of Calcium ion = ?

Q: 17. The following compound can be prepared by a mixed aldol condensation reaction. Give the…

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Q: The activity coefficient of KCl in water at 25 0 C is 0.901 when the concentration is 0.01. What is…

A: The activity coefficient of KCl, γ(KCl), is related to the concentration of the ion, [KCl], by the…

Q: A. Please provider your answer below. 0₂ ☐☐ At 50 °C, a neutral solution has a pOH = 6.33. What is…

A: pOH = 6.33 at temperature  50°C The autoionization of water is given by the equation: H2O(l) ⇌…

Q: Predict the products of each reaction, and whether the solution at equilibrium will be acidic,…

A: Given are the oxides and when these oxide reacts with water then either acid or base is formed so…

Q: What is the reagent for the following reaction? CH₂OH ? COOH

A: We can use alkaline KMno4 to oxidise primary alcohol to carboxylic acid.

Q: A chemistry graduate student is studying the rate of this reaction: 2C1₂0, (g) → 2Cl₂ (g) +50₂ (g)…

A: Answer: This question will be solved by trial and error method where data will be put into different…

Q: Grignard reagent is a nucleophile. Which electrons does it give up in the reaction? a) Electrons in…

A: Grignard reagent is alkyl magnesium halide ( i.e RMgX).  Let's R= CH3 and X = Cl  So, the reagent is…

Q: 7) Write the structures for the following compounds. Which of the compounds are unsaturated? a)…

A: Unsaturated = hydrocarbon contains C-C double or triple bond

Q: The mean activity coefficient in an 0.050 molKg-1 LaCl3 (aq) solutions is 0.303 at 25 o C. What is…

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Q: what is a balanced equation

A: Balance equation

Q: Predict the major product for the following reaction sequence. N-H (two equivalents) Modify the…

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: hat is the structure ,melting point,boiling point ,molecular weight and molecular formula for 2,4…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the pH of a 0.0428 M sodium acetate solution. Ka (HC2H3O2) = 1.8 × 10−5. Report your…

A: pH calculation of Salt:-  Salt of weak acid (WA)  and a strong base (SB) Consider, weak acid…

Q: A sample of xenon gas at a pressure of 0.709 atm and a temperature of 112°C, occupies a volume of…

A: According to Charle's law, volume of a gas is directly proportional to temperature at constant…

Q: Calculate the pOH of a 5.81 × 10−3 M HClO3 solution. Report your answer to TWO places past the…

A: Molarity of HClO3 = 5.81 ×10-3 M

Q: have the best buffer capacity? 6) Name the following compounds: a) CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3…

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Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: A question based on second law of thermodynamics. A table of unfilled information about enthalpy and…

Q: A solution in which the pOH is 12.6 would be described as very acidic slightly acidic neutral

A: As we know ph scale

Q: Suppose a 500. mL flask is filled with 1.0 mol of N₂ and 2.0 mol of NO. The following reaction…

A: Answer:- This question is answered by using the simple concept of calculation of equilibrium…

Q: How much heat is gained (in Joules) by the water where a chemical reaction takes place in 100 mL…

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Q: ve detailed Solution with explanation needed..give answer all sub parts if you not then don't give…

A: Hybridization is mixing and recasting atomic orbitals to new hybrid orbitals having same energy and…

Q: 9) NH3 + H2O ------> NH4++OH-   0.1 M NH3 ionizes 1% in water according to the above reaction.…

A: Given -:    0.1 M NH3 ionizes 1 % in Water    Kb for NH3 = 1.8 × 10-5                NH3 + H2O…

Q: The reactant concentration in a zero-order reaction was 0.100 M after 100 s and 4.00x10-2 Mafter 400…

A: Reaction is zero order. Concentration of reactant at time after 100 s = 0.100 M Concentration of…

Q: Calculate the molalities of the following aqueous solutions. Part 1 of 3 1.13 M sugar (C₁2H22011)…

A: molality of the given solutions

Q: A chemistry graduate student is studying the rate of this reaction: 2HI (g) → H₂(g) + 1₂ (g) He…

A: The question is based on the concept of chemical kinetics. we need to identify order of reaction and…

Q: a face centered cubic structure had 4 atoms in its unit cell, with the aid of a diagram explain why

A: A fcc lattice has atoms at each faces (six faces) and each corners (eight corners) of the cube.

Q: 2. Calculate AH AG and AS for the following reaction given thermodynamic data below. Pay attention…

A: The sign of ∆G0rxn defines the spontaneity of reaction. If the sign of ∆G0rxn <0 , then it is…

Q: Determine the pH during the titration of 29.4 mL of 0.454 M hypochlorous acid (K, -3.5-10%) by 0.451…

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Q: d) e) f) OCH; 0= a он он -С1 НС1 Н20 NaOH, H₂O сн.он НС1 Я N(CH3)2

A: All these are mechanism based. Detail mechanistic pathway along with product (s) is given below