It refers to how a circumstance can occur without the help of any external factors? a. Enthalpy O b. Non spontaneity O c. Spontaneity O d. Entropy

Q: How many grams of sodium hydroxide are produced if 53.0 grams of sodium metal react with excess…

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Q: ELECTROCHEMISTRY • STANDARD REDUCTION POTENTIALS AND CONCENTRATION DEPENDENCIES INTRODUCTION…

A: Standard reduction potential (Eo) is the reduction potential of the species under standard…

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A: A metal when reacts with other metal salt, exchange reaction can take place depending to the…

Q: Solid benzene melts at 28.35 °C when the pressure is 85.2 MPa. The molar volumes of solid and liquid…

A: The melting point of solid benzene at 85.2 MPa is given to be 28.35°C. The molar volumes of solid…

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical…

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Q: (Q23) What is the pH of a buffer solution that is 0.646 M in hydrofluoric acid and is 0.530 M is…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Write the complete reaction of : 1-butene to s-butyl acetate.

A: For the conversion of 1-butene to s-butyl acetate  we first use H2SO4 / H2O to get 2-butanol and…

Q: A general reaction written as 2A + 2B → C + 2D is studied and yields the following data.…

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Q: 5. Classify each of the following as strong electrolyte (SE), weak electrolyte (WE), or nonelectro…

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Q: If a dog has a mass of 20.1 kg, what is its mass in the following units? Use scientific notation in…

A: We have given a dog who has a mass of 20.1 kg. We need to convert it's mass into grams, milligrams…

Q: urce Dose (mremlyear) turally Occurring Radiation emic rays rrestrial radiation (rocks, buildings)…

A: Ans. In an accident, the radiation exposure = 4.23×10-4 Sv   Exposure from terrestrial radiation…

Q: AH is an Extensive Peperty INp 0:(p NOig Part C AH Changes sign when a process is nevered 2NOg Ng+…

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Q: Identify the specific type of chemical reaction shown in the equatior OH 20- HSO CH3 -C ~CH3 CH;…

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Q: ume, where the addition of a esults in a large jump in pH. of the acid solution. added pH. 5.05 5.22…

A: Given,  Molarity of NaOH = 0.1025 M Volume of Acidic solution = 25.00 mL There is sudden jump at…

Q: 1. Using the data below calculate the solvation energy of the complex. Give your answer in kJ mol-1…

A: Given that, for a complex Molecular system Energy (Hartrees) Complex in gas phase -769.759370…

Q: Jse average bond energies to compare the stabilities of allyl alcohol, CH2CHCH2OH, and acetone,…

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Q: Q1/ which particle of the atom plays major role in physical, electrical and magnetic phenomenon?

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Q: Determine the AU°reaction at 25 °C (in kJ/mol) for the following reaction: 2NO(g) + O2(3)→2NO2(g)…

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Q: 3. Sometimes certain reactions that we have learned can be morphed into processes that produce very…

A: Active methylene has acidic proton and it can be easily deprotonated.

Q: One mole of CO2 at STP will occupy Group of answer choices 22.4 L 44 g 44 L 1.0 L 24.5 L

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Q: 45. The derived air concentration (DAC) is the concentration of A. 0.5 ALI B. 1 ALI C. 2 ALI D. 100…

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Q: 0.002 grams of MgCl2 were dissolved in enough water to give 48.6 grams of solution. Calculate the…

A: Given :-  Mass of MgCl2 = 0.002 g  Mass of solution = 48.6 g  To calculate :-  Concentration of…

Q: Can Hydrogen be turned into a Metal?

A: It is nearly impossible to turn Hydrogen into a metal because of required pressure.  We can see this…

Q: 1. A solution is made by mixing 300 g of sucrose in 900 ml of pure water to produce a solution with…

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Q: Imagine a molecule XY4 where element X has 4 valence electrons and element Y has 7 valence…

A: Given :-  chemical formula of molecule = XY4  no.of valence electrons in X = 4  no.of valence…

Q: How many grams of ammonia are ſormed if 236 g of nitrogen oxide reacts with 42.9g of hydrogen gas?…

A: Mass of nitrogen oxide = 236 g Mass of Hydrogen gas =42.9 g Actual yield of ammomia = 104.1 g

Q: The balanced equation for the reaction of bromate ion with bromide in acidic solution is…

A: Using the rate law equation to calculate.

Q: If you used 7.50 g of MSG and 7.00 mL of 3.0 M H2SO4, what mass of glutamic acid should be formed in…

A: To Calculate mass of glutamic acid formed , we would first write a balanced chemical equation…

Q: 78.21 grams of MgCl2 were dissolved in enough water to give 70.5 mL of solution. Calculate the…

A: Given :-  mass of MgCl2 = 78.21 g  volume of solution = 70.5 mL  To calculate :-  percent by volume…

Q: How many milligrams of iron are dissolved 100.0 mL of an extract if, after testing with an…

A: "Parts per million" can also represent as mg/l. 1ppm = 1mg/l

Q: Provide the appropriate reagents or product in the following examples. 1. OH O Он 2. 1. m-CPBA, CHC…

A: Here we have to synthesise the following given compound from the starting material styrene by…

Q: The titration of0.5529 g of KHP required 25.75 mL of an NaOH solution to reach the equivalence…

A: Weight of KHP = 0.5529 gm Volume of NaOH = 25.75 ml

Q: Directions: Identify the type of IMFA for the following substances and answer the questions that…

A: Type of intermolecular forces present in a molecule depends on the type of atoms and shape of that…

Q: A 0.180 mol quantity of CoCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration…

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Q: 22-11 Complete the following reaction sequence from the synthesis of otteliones A and B (Org. Lett.…

A: These are the examples of ketal deprotection, esterification and conversion of vic-diol to alkene.

Q: If heat from the surroundings was absorbed by the system, and the products were more ordered than…

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Q: Estimate the AG° at 825°C for the following reaction. C(s, graphite) + 2 H2(g) CH4(g) i kJ eTextbook…

A: Given: Temperature = 825 oC = 1098.15 K Temperature = -53 oC = 220.15 K

Q: Which of the following characterizes an alpha ray? Choose all that apply. O is attracted to the…

A: ★ Characteristics of alpha rays _ • Alpha ray is a rays of  positively charged helium particle,…

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Q: A saturated solution of strontium hydroxide is repaired in the excess solid Sr(OH)2 is allowed to…

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Q: A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.609 M…

A: Given: Concentration of stock solution (M1) = 0.609 M Dilution-A: Volume of stock solution (V1) =…

Q: Arrange the atoms in order of increasing atomic size. W, Ag, Fr, Te

A: ->On going left to right in periodic table atomic radie decreases . -> On going top to bottom…

Q: Open the activițty depicting Hess's Law. Part B N: (g)+ 0: (g 2NOg AH is an Extensive Property Np…

A: Solve the questions using property of Hess's law and write value of ∆H for part A and B…

Q: Consider the Lewis structure shown below. The A-B bonds are polar. Is this molecule polar or…

A: 2) This molecule is polar because 5) The bond dipoles add together leaving an overall molecular…

Q: Solid urea, (NH2)2CO, burns to give CO2, N2, and liquid H20. Its heat of combustion is -632.2…

A: a.) Combustion takes place in presence of Oxygen gas , so first we would write a chemical reaction…

Q: How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3…

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: How many grams of CO2 gas would occupy 33.7 L of volume at a temperature of -22.2∘C and a pressure…

A: For the given carbon dioxide gas first of all we calculate the number of moles of the carbon dioxide…

Q: Can you label which is carbon 1,2,3 6 and which is oxygen 3 and 4 and say what are the bond angles?…

A: The carbon atom exhibiting sp3 hybridization will show a bond angle of 109°28'. The carbon atom…

Q: Potassium acid phthalate, KHC8H4O4 (molar mass = 204.22 g/mol), is used to standardize solutions of…

A: We have to predict the Molarity of the base solution.

Q: 64 Calculate the binding energy (in J/mol) for 28 N1 whose isotopic mass is 63.9280 amu. mass of…

A: Given -> Isotopic mass = 63.9280 amu Mass of proton = 1.0073 amu Mass of neutron = 1.0087 amu