2. How would you carry out each of the following syntheses? Each may require more than one step.

Q: 1. By referring to figure below, determine whether the addition of 40.0 g of each of the following i...

A: The amount of solute present in 100 g of solvent is known as solubility. The solubility of a solute ...

Q: Which of the following is true: I. First order reactions proceed at a constant rate II. First order ...

A: Given- First order reaction.  

Q: s the mass c

A:

Q: Use the chemical equation and the table to answer the question. Pb(NO3)2(aq) + 2KBr(aq) → PbBr2(s) ...

A:

Q: Q3/ A/ What is the concentration and density of a solution in mol/L when 80 g of calcium carbonate, ...

A:

Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g o...

A: Calculating number of moles:

Q: What is the percentage of procaine HCI which will yield an isotonic solution with blood plasma? FD1%...

A: Applying for general formula           0.52-a/b

Q: As ammonia nh3 is added to a test tube containing saturated solution of NiCO3 the light green solid ...

A: Given that, ammonia NH3 is added to a test tube containing saturated solution of NiCO3. NiCO3 is lig...

Q: 2. A quart of water weighs 4.05 pounds Calculate: a. Mass in slugs b. Mass in kilograms С. Volume in...

A: Given mass in pound

Q: Upon completing a synthesis, you attempt to purify your material via recrystallization. You dissolve...

A: First we would explain recrystallization effect , then we can determine the issue in this given recr...

Q: 12.61 The molar mass of benzoic acid (C,H,COOH) determined by measuring the freezing-point depressio...

A:

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 87.8 g of...

A:

Q: A sample of gas has an initial volume of 14.8 LL at a pressure of 1.13 atm If the sample is compres...

A: given :-  initial pressure (P1) = 1.13 atm  initial volume (V1) = 14.8 L  final volume (V2) = 10.9 L...

Q: Provide a chemical formula (AmBn) for the product of the reaction below SH [0]

A: -SH functional group represent a thiol which undergo oxidation to form disulfide.

Q: 1. How many molecules of oxygen are in 50.0 g of oxygen?

A:

Q: Pentaborane B5H9(s) burns vigorously in O2 to give B203(s) and H20(1). Calculate AHpxn for the combu...

A:   Heat of reaction: at particular temperature  the amount of heat released or absorbed during a che...

Q: Scientists can determine the age of ancient objects by the method of radiocarbon dating. The bombard...

A: a) Dinosaur fossils are too old to be reliably dated using carbon-14. Suppose we had a 67 million ye...

Q: For the following reaction, K, = 1.02 x 10-4 at 400 K: Br2 (g) + F2 (g) = 2 BrF (g) a) Determine the...

A:

Q: Assuming 100% dissociation, 1.0 mol of NaBr dissolved in 250 g of water [ Select] have the same coll...

A:

Q: If the acid ionization constant for HX is 1.60 x10 10 at 25 °C what is the ionization constant for t...

A:

Q: is 64 kg bigger than 64000 g

A: To compare the given two masses, first of all, we change the unit of one mass to get the same unit o...

Q: A pictorial representation of an electronic configuration is shown.   Give the full electron confi...

A: Given,  Based on pictorial representation of an electronic configuration the name of the element is ...

Q: Sulfur dioxide and nitrogen dioxide react at 298 K via the reaction so,() + NO,(g) SO,(g) + NO(g) A ...

A:

Q: 10 grams of glucose (CGH12O6) is dissolved in 90 grams of water. The density of the solution is 1.03...

A: We have to find Molarity , molality of the solution.

Q: How many grams of dry NH,Cl need to be added to 2.30 L of a 0.700 mol L solution of ammonia, NH3, to...

A: Given Data : 

Q: What kind of solvent ingredients is usually used in the concentrations of 4-10 percent in skin care ...

A: Some chemical are used in skin care product ;some of their function is to soften the skin cell and l...

Q: You are attempting to purify a compound via recrystallization. You prepare the process through the f...

A: Least solubility of the compound means that it would get precipitated in that solvent.  So we would ...

Q: 10 kg. A penny has a mass of 2.50 g and the Moon has a mass of 7.35 x 122 Use this information to an...

A:

Q: 12.45 What is osmosis? What is a semipermeable membrane?

A:   Colligative properties:  The properties which are based on number of solute particles but not on t...

Q: РОН 3D 10.8 1.4 x 104 М NaOH 3.1 х 10% М НСІ [Он] %3 1.1 х 10° М [н]3 2.0 х 10м

A:

Q: Suppose 4.47 g of barium acetate is dissolved in 350. mL of a 69.0 m M aqueous solution of ammonium ...

A:

Q: A gas is allowed to expand, at constant temperature, from a volume of 1.0 L to 10.1 L against an ext...

A:

Q: What is the bond order of a molecule with 14 electrons

A: A question based on molecule that is to be accomplished.

Q: If a plot of 1/[A] versus time produces a straight line with a positive slope for the reaction A B +...

A:

Q: calculating the concentration of acid in each buffer

A: Concentration of acetic acid (weak acid) = 1.10 M Concentration of sodium acetate (salt) = 0.90 M pK...

Q: b) We have assumed [CO;²] << [HCO;] in our precedent calculation and accordingly ignored the [CO;²] ...

A: The common pH of rain water is 5.5 to 8.5 We need to explain that for most natural water, [CO32-] &l...

Q: A reaction will be spontaneous at all temperatures if O a. AH and AS are negative. O b. AH is negati...

A:

Q: Choose ONE of the following conversion problems to complete. Report your answer with the correct num...

A: 1.)  To convert these values in required units , we would need conversion factors.  We would use dim...

Q: C,H, + 50, - 4H,O + How many moles of C,H, are in 5.3 x 102 moles of CO,?

A: given :- C3H8 + 5O2 → 4H2O + 3CO2  number of moles of CO2 = 5.3 × 1012 mol  To calculate :- number o...

Q: Which of the following is NOT true about equivalence point and endpoint? a. The endpoint approximate...

A: Endpoint and equivalent point in a titration are two very important point. Here we have to determine...

Q: Write the solubility equilibrium constant expression for silver phosphate Show the ICE Table and ca...

A:

Q: How many protons, neutrons, and electrons are there in a neutral atom of 113In (indium-113)?

A: Atomic number of indium = 49 Atomic mass of indium = 113

Q: Determine the (H'), pH, and (OH] in the following. a. 5.75x10 M HCI solution b. 4.66x10 M NaOH solut...

A: Solving only first three subparts in accordance with the guidelines. We will calculate concentration...

Q: A 22.0 g block of copper at 45°C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 J/g...

A:                                       Answer  Calculate final temperature of the Cu        Q = m Cv ...

Q: H H H. H H o

A:

Q: A 20.0 mL sample of 0.115M H2SO3 is titrated with 0.1014 M KOH. At what volume (of added base) does ...

A: Given data  : Concentration of H2SO3 = 0.115 M Volume of H2SO3 = 20.0 mL Concentration of KOH = 0.10...

Q: Identify the IUPAC name of the structural formula below. H;C CH3 CH3 - C- CH – CH – C = CH – CH3 CH,...

A:

Q: 2. A gas sample is found to contain 39.10% Carbon, 7.67% Hydrogen, 26.11% Oxygen, 16.82% P, and 10.3...

A: Given amount of elements are as follows C = 38.10% H = 7.67% O = 26.11% P = 16.82% F = 10.30% Atomic...

Q: A sample of oxygen gas has a volume of 545 mL at 35°C. The gas is heated to 151°C at constant pressu...

A:

Q: Lactic acid has a K. of 2.502 x 103. A solution contains 0.275 M lactic acid and 0.375 M sodium lact...

A: Buffer solution: The mixture of lactic acid and sodium lactate act as a buffer solution. The solutio...