How many millimeters of concentrated HCl are needed to prepare 500mL of 0.25N HCl?

Q: How many grams of iodine 12 (molar mass = 253.8 g/mol) must be dissolved in 725 mL CS₂ (p = 1.261…

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Q: A mixture containing only BaO (FW 153.33) and CaO (FW 56.08) weighs 2.00g. The oxides are converted…

A: Suppose the mixture contains "X" g BaO and "(2.00-X)" g CaO. moles of BaO in the mixture = massmolar…

Q: A 50.0 mL of 0.120 M HCN (Ka HCN = 6.20 x 10-10) is titrated with 0.100 M NaOH.  The volume of…

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Q: From 1967 until 1999, Canadian 10¢ and 25¢ coins were made of pure nickel which has a density of…

A: The solution of the given question is

Q: is 78.4 °C. 4.56 mL ethanol is put to a container with a volume of 10.16 L and waited for…

A: According to the question -   Given values are -   P2= 62.18 atm.   T2= 514 k   Formulas -   Â using…

Q: c) Jack and Helen wish to sketch a weak acid strong base titration curve. Before they can do so,…

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Q: After 103 days, only 2.3 g of a radioisotope remains from a sample that originally has 150 g of it.…

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Q: A solution is prepared by mixing 1.28 mol C7H16, 2.92 mol C8H18, and 2.64 mol C9H20. What is the…

A: We know that  % Mole of substance ={ (mole of a substance)/(total mole of solution )}× 100

Q: The separation of molecules within a gel is determined by the relative size of the pores formed…

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Q: 1. A chemist dissolved 0.08346g of SrCl2 (FW 158.53) and treated it with excess AgNO3 (FW 169.87) to…

A: Given that -  Mass of SrCl2 = 0.08346 g  SrCl2 formula weight = 158.53  AgNO3 formula weight =…

Q: Solve the water solubility of lead (II) iodide in 0.15M of potassium iodide. The Ksp is 8.4x10⁻⁹

A: Given,  The molar solubility of lead (II) iodide in 0.15M of potassium iodide is:…

Q: A mixture containing only AgCl (FW 143.32) and AgBr (FW 187.77) weighs 2.000g. It is quantitatively…

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Q: Which of the following statements is true regarding the iron-phenanthroline method? I. Any…

A: Analytical chemistry involves the separation, identification, and the quantification of matter. It…

Q: Hi! Are tou sure it's not [H2O] / [CO] [H2] ?

A: Given reaction is :  C (s) + H2O (g) <-----------> CO (g) + H2 (g)  Equilibrium concentration…

Q: What is the conjugate base in the following reaction? HCO3 + HCl →H₂CO3 +CI- Select the correct…

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Q: 1. What are the concentrations (in mol/L) of each substance in the equilibrium mixture of 1.50 mol…

A: Here we are required to find the equilibrium concentration of each species

Q: Devise a synthesis of each compound from benzene. You may use alcohols with one or two carbons and…

A: In this question, we will synthesized the given products from the given starting materials benzene.…

Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 6. ball…

A: A spontaneous process is a process which occurs without input of matter or  energy into the system.…

Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: = Suppose 2.80 mol of an ideal gas of volume V₁ : 3.90 m³ at T₁ = 296 K is allowed to expand…

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Q: 9 FOR A THERMODYNAMIC CYCLE TO BE REVERSIBLE, THE FOLLOWING MUST BE SATISFIED: For a thermodynamic…

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Q: COOCH3 OH Br делзеный дух ОН NH CI CH3 CH3

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Q: Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk…

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Q: From 0.8 av lb of 20% w/w KOH solution, O72.6 121 142 86.2 g of 12 percent w/w KOH may be produced.

A: A question based on dimensional analysis that is to be accomplished.

Q: 25. Predict the product and provide a curved arrow mechanism for the transformation show below. Be…

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Q: F i n d  t h e   p H  a t   e qu i v a l en c e   po i n t  i f :  A   5 0 m L    o f     0 . 1 2 0…

A: Given,  Molarity of HCN = 0.120 M  Volume of HCN in mL = 50 mL  Acid dissociation constant of HCN =…

Q: Question 30 ed Adding 1.00 g of benzene C6H6 (78.1 g/mol) to 80.0 g of an organic solvent lowers the…

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Q: SH SH HS OH La H₂C CH 3 Enantiomers Geometric Isomers H3C SH OH Skeletal Isomers Non-isomers…

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Q: ver 80 % industry area has reported acid rain due to harmful gases emissions. Josephine collected a…

A: Ans. a) pH of the rainwater sample = 4.35                       -log[H+] = pH…

Q: In gravimetric analysis, precipitation is a quantitative method commonly used. However, its efficacy…

A: The answer is given below

Q: 3. A mixture containing only AgCl (FW 143.32) and AgBr (FW 187.77) weighs 2.000g. It is…

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Q: Andy and his college friends decided to go on a summer vacation after a long and stressful final…

A: Select the correct answer :

Q: A 25.0-milliliter sample of [% HNO_3 %] is neutralized by 32.1 milliliters of 0.150 M [% KOH %].…

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Q: Question 6 Not yet answered Flag question Which of the following statements is TRUE? Select one: a.…

A: a) since ammonia does NOT contain hydroxide ions, i.e. its chemical formula is NH3 , it does not…

Q: Which of the following is TRUE for a solution at 25 °C whose pH > 7? Select one: O a. There are more…

A: In this question, we will selecting the correct / true option for the given statement ( solution pH…

Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 1.…

A: Given,

Q: 2N2O5(g) → 4NO2(g) + O2(g)

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Q: What is the percent of each halogen in a 0.9032g mixture of sodium chloride and barium chloride…

A: Suppose the mixture has "X" g NaCl and "(0.9032-X) g BaCl2  Molar mass of NaCl = 58.45g/mol Molar…

Q: Identify the molecules or ions below as Lewis acids, Lewis bases, or neither. If there is more than…

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Q: 22. The reaction conditions below are known to form substituted biphenyls. Provide a catalyti cycle…

A: The given reaction is an example of Suzuki coupling reaction.

Q: Draw and name the structures of the isomeric 5-carbon saturated alcohols. Stipulate their reactions…

A: Given statement is :  Draw and name the structures of the isomeric 5-carbon saturated alcohols.…

Q: 1.0 0.362M 2.0 0.244M 3.0 0.184M 4.0 0.148M Use this data to answer the following questions. Write…

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Q: For the molecules NF3, NO-3, SiH4, SiS2 , draw the 3D Lewis structure then, give the electronic…

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Q: Can you explain or interpret it? Thank you!

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Q: A₂H.(g) + 6 X₂(g) → 2 AX,(g) + 6 HX(g) A and X are unknown elements. When the reaction given above…

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Q: For each organic compound in the table below, name the highlighted side chain. Note for advanced…

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Q: The molecule (I) and (II) are || CH3 **** I Identical Enantiomers Diastereomers Constitutional…

A: Identical means when the two compounds are exactly same.  Enantiomers are non- superimposable mirror…

Q: In what way can hydrogen bonding occur between molecules of formaldehyde (CH₂O)? Select one: O a.…

A: Hydrogen bonding is electrostatic force of attraction between a hydrogen bonding and a more…

Q: A chemist dissolved 0.08346g of SrCl₂ (FW 158.53) and treated it with excess AgNO3 (FW 169.87) to…

A: Given: Mass of SrCl2 = 0.08346 g Mass of precipitate AgCl =0.143 g FW of SrCl2 =158.53 FW of AgNO3 =…

Q: Using the following data determine the reaction order and rate constant for the reaction:  H2CO3(aq)…

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