Complete the balanced chemical equation for the following reaction between a weak base and a strong acid. KNO₂(aq) + H₂SO4(aq) →

Q: Calculate [Cd²+] in 1 L of solution prepared by dissolving 10³ mol of Cd(NO3)2 and 1.5 mol of NH3.…

A: given data Cd(NO3)2 = 0.001 mol NH3= 1.5 mol dissociation constant Kd= 1.8*10^-7 find concentration…

Q: The reaction pyruvate + NADH+H- -lactate + NAD is catalyzed by the enzyme lacate dehydrogenase.…

A: The given reaction is an enzyme-catalyzed reaction, where the enzyme is lactate dehydrogenase and…

Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 6.3 × 10⁻⁴ M. What is the…

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Q: 3. Lauryl alcohol is obtained from coconut oil and is used to make detergents. A solution of 5.00g…

A: Given in following question a lauryl alcohol given data 1. 5gm of lauryl in 100 gm boiling point…

Q: In post-transcriptional modification, primary mRNA is modified into mature mRNA in the cytoplasm…

A: Hey there! Answer: true

Q: Consider the reaction: NO2+O3 -->NO3 + 02 Based on the kinetic data given below, the partial order…

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Q: Consider the structures below. Identify which structure has higher boiling point. O a. ll O b.l A…

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Q: The pH of a basic solution is 9.77. What is [H+]?

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Q: PLEASE ANSWER THE THREE  QUESTIONS BELOW  1. What is the freezing point depression when 153 g of…

A: Given, 1. Amount of bromine taken - 153 g Amount of solvent (benzene) - 1000 g 2. Mass of water -…

Q: 3. a) For each of the following pairs of halides, tell which one is the "more hindered" halide?…

A: Dear student, since the given question is a multiple question, hence I solved first question…

Q: 2. A water tank contains 7.50 x 10³g water. Will the addition of 1.20 x 10³g ethylene glycol…

A: Weight of water = 7.50 ×103g = 7.50 Kg Weight of ethylene glycol added = 1.20 ×103g =1.20Kg Molar…

Q: Where do you expect to find elements that are good oxidizing agents on the periodic table? Periodic…

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Q: Which letter identifies the N-terminal of this structure? Ö B NH₂ NH NH₂ HO NH A B с D None of…

A: N terminal  is the terminal which has free amine or -NH2 group in the structure located at the end…

Q: 3 Cu + 8HNO3 → 3 Cu(NO3)2 + 2 NO + 4 H₂O In the above equation, how many grams of water can be made…

A: Mass = molar mass × mole

Q: Calcium citrate (Ca3(C6H507)2: MM = 498.46 g/mol), a common food preservative, has a Ksp of 1.12 x…

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Q: Draw the structures of the formed dipeptide when aspartic acid reacts with serine. Is there more…

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Q: COMPARING THE CENTIMETER TO INCH

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Q: Decrease the solution volume slowly until the word Saturated! appears and only one crystal is seen.…

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Q: What is the boiling point elevation when 12.0 g of iodine is dissolved in 100 g of carbon…

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Q: Calculate the standard enthalpy change for the reaction 2 Al (s) + Fe2O3 (s)  2 Fe (s) + Al2O3 (s)…

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Q: 3. You can dissolve a precipitate of AgBr by reacting it with Na2S2O3, as shown here. AgBr(s) +…

A: Given reaction is :  AgBr (s) + 2Na2S2O3 (aq) ----------> Ag(S2O3)23- (aq) + Br- (aq) + 4Na+ (aq)…

Q: The numbers of amino acid synthesized in our body * O (a) 20 O (b) 30 O (c) 40 O (d) 10

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Q: 2. Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

A: As per our company guidelines we are supposed to answer only one question.kindly repost remaining…

Q: 1. A 0.0250 M Ca(X)2 has a pH of 8.049. Ca(X)2 is composed of a Ca²+ cation and an unknown anion X,…

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Q: A buffer system is prepared by mixing 2 moles of HF(ag) (Ka = 7.1 × 10-4 ) and 1.8 moles NaF(ag) in…

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Q: Write the product and the mechanism for reaction. Write the names of starting material product…

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Q: Anion and cation chromatography can be achieved by modifying?   A. Type of dye B. Mobile phase C.…

A: Chromatography is a technique for the separation of a mixture into its components.

Q: Parameters to use for the problems that follow: K = 1.38 × 10-23 J/K q = 1.6 × 10-¹⁹ coulombs For…

A: Solutions- Given data- Nd = 4 x 1015 cm-3 Ni = 1 x 1010 cm-3  T = 300K

Q: Direction: Write the oxidation half-reaction and reduction half-reaction, and shorthand…

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Q: 19. In a combustion reaction, what mass of propane (C₂H₂) would be needed to produce 100. L of…

A: Given :  Volume of CO2 produced = 100. L  Pressure of CO2 gas = 105 kPa  Temperature = 57°C

Q: 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M…

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Q: The reaction A + 2B --> AB2 has the rate law, rate = K[A][B]2. If the concentration of B is tripled…

A: Here we have to predict how many times the rate of reaction will increase in the following given…

Q: 2. Identify the "order" and "type" of the following halides of carbons that are sp3 hybridized.. Are…

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

Q: The structure here represents NH₂ НО. ОС OH OH a dipeptide O AMP O ADP ATP a nucleoside O 'N

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Q: Overall question: What is the molality of a 3.25 M aqueous solution of ethanol, C2H5OH? The density…

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Q: 1.1 2NH3(g) (b) 3H2(g) AH is negative N₂ (g) + From the given reaction at equilibrium above, use Le…

A: Le Chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: At 165°C, solid bismuth chloride reacts with 0.0417 mol of steam to form the solid bismuth…

A: The equilibrium reaction at 165 oC is: BiCl3(s) + H2O(g) ⇌ BiOCl(s) + 2HCl(g) ; K = ??  moles of…

Q: Determine the formula of a A 45.94 gram sample of a hydrate of MnSO4 was heated thoroughly in a…

A: Formula of the hydrated complex = MnSO4.7H2O

Q: 19 When a drop of oil is placed on the water's surface, the maximum area covered by the oil as it…

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Q: Additional Activities (PORTFOLIO OUTPUT #56) Directions: Cite 5 examples for each state of matter.…

A: Question asks five examples of three states of matter.

Q: Benzyl alcohol (0.500 mmol) and benzoic acid (0.500 mmol) were produced from the eaction of…

A: Here we are required to find the mass of benzaldehyde needed for the reaction.

Q: Write the equilibrium reaction involved in the HCN-NaCN buffer system.

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Q: 11. Calculate the normality of a potassium dichromate solution prepared by placing 9.67 grams of…

A: In this question, we will determine the normality of K2Cr2O7 from the given mass of potassium…

Q: SAMPLE PROBLEM 8 A 1.000 g sample of an aluminum is dissolved, and the sulfate precipitated as…

A: Here we have to determine the percentage of Al2O3 present in 1 g sample of K2Al2(SO4)3.24H2O in the…

Q: Gluconeogenesis is the production of glucose from non-carbohydrate molecules. Which of the following…

A: Biochemistry is branch of chemistry in which we relate the biology with chemistry.

Q: 2. Write the product and the mechanism for reaction. Write the names of starting material and…

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: Graph the heating curve of ethanol using the information given. Check off each box as you add…

A: Heating curve is a heat added-temperature curve in which added heat is plotted on x-axis and…

Q: An aqueous solution has a hydronium ion concentration of 2.0 x 10-10 M. What is the pH?   2.00…

A: Given that an aqueous solution has a hydronium ion concentration of 2.0 x 10-10 M. The pH of the…

Q: 2. Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

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

Q: 7 Compound 5 can be made from compound 1 in the following reaction sequence. Br OH step 2 step 1 +…

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