Fifty grams of ethyl alcohol is heated from 250°c to 900°c. how much heat was absorbed in the process

Q: 3F2+ S- SF6 How many moles of F2 remain after 3 mol of S have reacted? (А) 3 (В) 2 (C) 1 (D) 0

A: In this question,we have to find how many moles of F2 remains after 3 mol of S have reacted.

Q: 5. If a solution has 0.20 moles of NaCl dissolved in 100.0g of water, what is it's molality? 6. If…

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Q: How many orbitals in an atom can have the set of quantum numbers n = 2, l =1, ml = 1?

A: How many orbitals in an atom can have the set of quantum numbers n = 2, l =1, ml = 1?

Q: Calculate Ecell (volts) for the galvanic cell containing the reaction shown below where the…

A: Ecell is calculated using nernest equation.  For this first we would calculate E°cell using standard…

Q: 245 Cf+ dn 36° Cm + X - Cf+ {n 98

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Q: Correctly label each chemical below as acid, conjugate acid, base or conjugate base PH3 (g) +…

A: 1. According to bronsted concept of acid base acid are proton doner . 2. Base are proton accepter.…

Q: Carbonyl chloride (COCI2), also called phosgene, was used in World War I as a poisonous gas. The…

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Q: If you purchase 1 bottle of 120 tablets of 650. mg sodium bicarbonate in the pharmacy aisle  (the…

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Q: What Have I Learned So Far? + 50 - 4NO + 6HO Calculate the AH for the reaction 4NH AH = -875.0…

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Q: D Other Bookmarks [References] Use the References to access important values if needed for this…

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Q: Calculate ∆S° for C₃H₄(g) + 2 H₂(g) → C₃H₈(g).

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Q: 22. For the reaction 2 NO(g) + 2 H3(g) → N;(g) + 2 H;O(g) at 1100 "C, the following data have been…

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Q: Question 11 6 points Save Answer For the reaction at 25°C: CdICd2*||Fe2*|Fe Determine EO Determine…

A: Using the standard reduction potentials of both the ions we can calculate the  E° of the cell.

Q: If two gasses, helium and krypton, are mixed in a rigid container and heated to 315 K. What is true…

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Q: For the reaction below, determine the stoichiometric coefficient on water in the balanced redox…

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

Q: 4. Consider the reaction: H2g+ l2(g) 2 HI(g) The reaction was performed at three different…

A: The equilibrium reaction given is, => H2 (g) + I2 (g) ↔ 2 HI (g) The data given is,

Q: 3) Consider the benzene molecule, CH. The C-C distances are all 1.39 A, the C-H bond lengths are all…

A: Given: C-C bond length = 1.39 Å And C-H bond length = 1.09 Å Please find below the structure of the…

Q: Identify: a balloon expands when more air is introduced to it. This observation is consistent with…

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Q: 6. You are designing a protein, which needs to be stable at high temperatures. Which amino acids…

A: Amino acids are the monomeric units that are used in the synthesis of protein molecules. There are…

Q: D10) A bottle is labeled “Constant-boiling hydrochloric acid, 20.5 percent HCl by mass, density 1.1…

A: Percentage of HCl of Solution = 20.5%  Density of HCl = 1.1 g/mL    Then, from following formula -…

Q: A buffer solution contains 0.419 M KHCO3 and 0.294 M Na CO3. Determine the pH change when 0.059 mol…

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Q: 2. Complete the following reactions ( H2SO3 + Ba(OH)2 > a. b. C4H9OH + 02 > C. Br2 + YF3 >

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Q: (a) Chemical shift (8) value of CH and CH3 proton in [Al(acac)3] are 1.99 and 5.47 ppm, respectively…

A: This Question is based upon NMR.

Q: Calculate the mass of aluminum hydroxide required to completely react with 20.0 mL of 0.45M HCl.

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Q: Which of the following molecules is the strongest base? CH3 CH3 OH CH3 CH3 CI

A: 1) Last option molecule is least acid and not basic because it is pKa value too high so it's not…

Q: 1. Using the values for BDE found in Table 6.1 (final page), calculate AH for the following reaction…

A: The reaction given is,

Q: SE? O A covalent bond occurs when electrons are shared. O All of these statements are true. A duet…

A: Answer are as follows

Q: 1. A solution was made from 32.6 g Na PO4 and 80.0 mL of H,O at 25 °C (molar mass = 163.94 g/mol;…

A: Mass of Na3PO4 (solute) =32.6 g Molar  mass of  Na3PO4 =163.94 g/mol Number of moles of Na3PO4 =…

Q: 32. The formal charges on the carbon (1) and the two nitrogens, II and II in the structure on the…

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Q: One or more of the monomers below are needed to make the polymer CH2 Choose which one(s). H OH OH но…

A: In this question, we have to choose the options of the monomer which are needed to form the given…

Q: 5. Complete the following nuclear equations by filling in the correct symbols: 27 13AL + → Na + He…

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Q: d) NO, N,0 24 Initial Mole 0.13 Moles of Equilibrium 0.040 1) Calculate the value of X 2) Hence show…

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Q: A solution containing 0.7880 g of a polymer of unknown structure in 170.0 mL of an organic solvent…

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Q: You are collecting an ideal gas and need to determine the number of moles produced from a reaction.…

A: Given,   Ca(s) + 2H2O(l) --> Ca(OH)2(aq) + H2(g) Mass of Calcium = 5.00 g. The produced moles of…

Q: . Provide a complete curved-arrow mechanism for the formation of the fragrant terpene shown below, a…

A: Solution -

Q: Use a maximum of 2 carbons Br ??? Br Br OH

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Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: Answer: This is the curve of the titration of an acid against base where acid is the analyte and…

Q: Cal Culate the sG° of the reec fim with 2NO2 (8) > 2NO(9) + Oz 18) + 02 Kp = 2.016 x 10 -13 at 25…

A: We know  at equilibrium deltaG = 0 So,  deltaG° = - RTlnKp

Q: Consider the following equilibrium system involving SO2, Cl2, and SO,Cl2 (sulfuryl dichloride):…

A: The reaction given is, => According to LeChatelier's principle, the reaction equilibrium will…

Q: Choose only 1 salt from the choices below. Given that is Unknown kindly provide the expected…

A: One salt is to be chosen and analyzed by reaction with different compounds and check the solubility…

Q: 3. Provide the reagents necessary to complete the following reactions. More than one step may be…

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Q: A crucible and its cover weigh 65.82 grams. You add a hydrate of a salt and it now weighs 83.77 g…

A: Given :  Weight of crucible + cover = 65.82 gm  Weight of hydrated salt in crucible = 83.77 gm…

Q: Just needing a recheck on this problem to confirm whether it's right or wrong. Please rework. Thanks

A: To rework and check whether the problem solved is correct or not.

Q: When excess nitric acid reacts with 1.70 g of iron, 842 ml of hydrogen gas is collected over water.…

A: The reaction given is, => Fe (s) + HNO3 (aq) → Fe(NO3)2 + H2 (g) Given: Mass of Fe reacting =…

Q: 4. 5. 6. 130 60 60 120 50 50 110 40 40 100 30 30 90 20 10 10 Graduated cylinders #4-6 were measuring…

A: The reading given are,

Q: 3) Consider the benzene molecule, C,Hg. The C-C distances are all 1.39 A, the C-H bond lengths are…

A: Given: C-C bond length = 1.39 Å And C-H bond length = 1.09 Å

Q: The value of ΔHo for the following reaction is -72 kJ. How many kJ of heat will be evolved when 4.0…

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Q: 4. Proposed the mechanism for the following reaction, Show the name of each step such as oxidative…

A: Solution  In this reaction First step is oxidative addition and second is migratory insertion…

Q: H* CH,OH + 1. LIAIH4 2. Н.О

A: The reactions given are,

Q: When 15.0 mL of a 7.27×104M potassium sulfide solution is combined with 15.0 mL of a 5.22x10-4 M…

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