1. A chemical reaction takes place in a container fitted with a piston of cross-sectional area 75.0 cm2 . As a result of the reaction, the piston is pushed out through 25.0 cm against an external pressure of 150 kPa. Calculate the work done by the system.

Q: Calculate the pH if 68mL of 0.150M ethylamine (pKb=3.252) is added to 68 mL of 0.128 M KOH. Assume t...

A: Ethylamine is a weak base with pKb of 3.252. KOH is strong base. There is no reaction between strong...

Q: can someone help me calculate the theoretical yeild for the synthesis of biodiesel oil used: 12 ml 0...

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Q: Question 11 According to Kolrausch's law of independent ionic migration, the molar conductivity of a...

A:         This Statement is True . Explain :       Kolrausch's law of Independent lonic migration :   ...

Q: Determine the amount in grams of NaCl needed to make the following solution 1.5 % NaCl in a total v...

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Q: What is the pH of solution prepared by mixing 30.0 mL of a 0.40 M HCl(aq) with  20.0 mL of a 0.60 M ...

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Q: mass

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Q: The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3-phosphate +...

A: Solution -

Q: Select the sign of the work based on the change in volume of the cylinder after the reaction.

A:   Thermodynamics is the branch of physical chemistry which deals about different forms of energies ...

Q: Calculate the AS for the given reaction. → Ca3(PO4)2(») 2+ Ca +PO,3- (ag) (ag) molar ratio of the ba...

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Q: Give structural formulas for A-D in the following synthetic sequence:

A:   Ethyl-acetoacetate (EAA) to dicarboxylic acid synthesis :  In this conversion first EAA is treate...

Q: und 1nt orbitals

A: This is a multiparts question.According to guidelines in multiparts question we can solve only four ...

Q: Ihe acid ionization constant for Cu(H20)62+(aq) is 1.0x10-7. Calculate the pH of a 0.0410 M solution...

A: Answer:- Determined the pH of a 0.0410 M solution of cu(NO3)2 by using equilibrium expression.  Here...

Q: QUESTION 5 If 4.879 moles of aqueous hydrochloric acid reacts with 1.007 moles of calcium hydroxide,...

A: Calcium hydroxide reacts with hydrochloric acid to form calcium chloride and water. The equation for...

Q: What volume of concentratewd nitric acxid (15.8 M) is needed to prepare 4.0L of a 2.0M solution

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Q: A balloon filled with helium has a volume of 1.28 × 10³ L at sea level where the pressure is 0.998 a...

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Q: The reaction A + 2B → products has the rate law, rate = k[A][B]°. If the concentration of B is doubl...

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Q: 2. Predict the major product from the following reaction sequence: (Write out complete equations sho...

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Q: A commercial vinegar is analyzed for the percent acetic acid present. The data for the first trial i...

A: Answer: This question is based on acid-base titration where acid is being titrated against base.

Q: Draw a structural formula for the major product of the reaction shown. Cl2 H20 • Show product stereo...

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Q: Write the net ionic equation for the acid-base reaction. Include physical states. HCIO,(aq)+NaOH(aq)...

A: We have to predict the net ionic equation .  

Q: Please answer with full mechanism ASAP

A:   Given compound has ether functional group, to synthesize ether alcohol precursor is needed Aldehy...

Q: BF3 (9) + F¯(aqg) → BF4 (aq) Acid: Base:

A:  BF3 is acting as a lewis acid in the reaction because a lewis acid is one that accepts a pair of el...

Q: Enter a net ionic equation for the reaction of dilute sulfuric acid with iron. (Assume that sulfuric...

A: Given,  The net ionic equation for the reaction of dilute sulfuric acid with iron is: (Assume that s...

Q: What is the molarity of 89.633 grams of NaOH dissolved in 1209.879 milliliters of solution?

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Q: MgCl2 + Fe(NO3)3 Balanced equation: Net ionic:

A: The balanced equation and net ionic equation for the above equation is given below

Q: How many atoms does oxygen have in one mole of oxygen? 6.6 6.02E-23 3.14E-23 2.2

A: How many atoms  are present in one mole of oxygen  Solution is given below in next step   

Q: 25.00 mL of a solution containing 3.6 M H2O2 What mass of a 30.00% (w/w) hydrogen peroxide solution...

A:   [H2O2] = 3.6 M Volume = 25.0 mL Molar mass of H2O2 = 34 g/mol Amount of H2O2 present in 25 ml of s...

Q: t Crotoxin and Crotalphine?

A: In this question we have to explain what is conclusion from the data crotoxin and crotalphine, and a...

Q: Calculate the molarity of a solution prepared by dissolving 1.56 g of gaseous HCl in enough water to...

A: Molarity is defined as moles of solute present in a litre of solution.

Q: SAQ 12-2 Classify the following pairs of structures as identical, enantiomers, diastereomers, cis-tr...

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Q: A0.200 M solution of XBr has a pH of 2.67. Which of the following could be XBr? Weak Base Kb A) HONH...

A: Given :- pH = 2.67 pH = - log[H+] [H+] = 10-2.67 = 2.13 × 10-3 M Concentration of XBr = 0.2 M = 0.2 ...

Q: LL R How many grams of Al,0, can form from 36.3 g of Al? 4 Al(s) + 3 O,(g) –→ 2 Al,O3(s) Step 1: Sho...

A: 1) The atomic mass of Al is 26.982, meaning that there are 26.982 grams Al / 1 mol Al 2) The atomic ...

Q: Use the equation of sodium chloride dissolving in water to complete the activity. NaCl(s) ⇄ Na+(aq)...

A: The answer is given below

Q: A deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 12 and consumed 31 mL. Calcul...

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Q: 1.Give the mechanism and products for the reaction below. Hcat.) + IZ

A: We have to give the product with mechanism. Here initially protonation of aldehyde group occurs by t...

Q: Calculate the molar solubility of magnesium fluoride (MgF2) in a solution that is 0.250 M in NaF. Fo...

A: The solubility constant of a compound is the multiplication of the molar solubility of its constitue...

Q: A sample of argon gas at a pressure of 855 mm Hg and a temperature of 77 °C, occupies a volume of 12...

A: Pressure of argon = 855 mm Hg  Initial Temperature T1 = 77°C = 273 + 77 = 350 K Final Temperature T2...

Q: HNO3+KOH= KNO3+H2O HCl+ Ca(OH)2= CaCl2+H2O FOR THE REACTIONS ABOVE, HOW MANY MOLES OF THE BASE ARE R...

A: 1).Balanced Reaction : HNO3 + KOH → KNO3 + H2O  

Q: For each system listed in the first column of the table below, decide (if possible) whether the chan...

A: Since,  

Q: 5.56 Consider the following reaction: 6 NiO(s) + 4 CIF;(g) → 6 NiF2(s) + 2 Cl2(g) + 3 O2(g) What mas...

A: Given data for ClF3 : Pressure = 250 torr Volume = 2.5 L Temperature = 20°C  

Q: Draw the major monobromination product when the alkane shown is subjected to radical bromination at ...

A: The reaction is a free radical bromination of alkane in presence of light.

Q: [COC14]¯ (alc) + 6H,O(alc) [Co(H,O),J?+ (alc) + 4C1¯(alc) deep blue rose pink

A: Exothermic: Heat is evolved. This is when product is more stable than the reactant   Endothermic: He...

Q: Benzophenone 'H-NMR and Enlarged Benzophenone 'H-NMR 4H 4H 2H 8

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Q: 5.40 A sample of gas is made up entirely of carbon dioxide and water, and there are 259 moles of CO,...

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Q: Draw the Lewis structures of acetaldehyde, acetone, butan-1-ol, butan-2-ol, and ethyl acetate.

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: MgCl2 Valence e's: Bonded Atoms: |Lone Pairs: Steric Number: Shape: Polarity:

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Q: A buffer solution contains 0.385 M ammonium chloride and 0.444 M ammonia. If 0.0433 moles of hydrobr...

A: Kb for NH3 = 1.8×10-5

Q: Question 12 The standard cell potential for the reaction: A (s) + B2* (aq) = A2* (aq) + B (s) is - 0...

A:   Nernst equation is  Ecell = Eocell - 0.0591/n log Q  Where  Ecell = emf of cell   at equilibrium E...

Q: The vapor pressure of toluene at 90 deg celcius is 0.532 atm. The molar enthalpy of vaporization of ...

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Q: Sulfuric acid, H2SO4, is added to a total volume of 100 mL to make a 0.150 M solution. How many mL o...

A: Equivalence point of titration is the point at which the amount of titrant added became excess to ne...