.) Which of the following processes are spontaneous and which are nonspontaneous: (a) the ripening of a banana,(b) dissolution of sugar in a cup of hot coffee, (c) the reaction of nitrogen atoms to form N2 molecules at 25°C and 1 atm, (d) lighting, (e) formation of CH4 and O2 molecules from CO2 and H2O at room temperature and 1 atm of pressure? A) Spontaneous: a,b,c,d; nonspontaneous: e B) Spontaneous: a,b, & c; nonspontaneous: d & e C) Spontaneous: e; nonspontaneous: a, b, c, & d D) Spontaneous: a,b, & d; nonspontaneous: c & e

Q: Suppose a current of 80. A flows through a copper wire for 136. seconds. Calculate how many moles of…

A: Given-> Current (I) = 80 ampere Time (t) = 136 second

Q: Give wavelength in manometers of light from hydrogen atom when electron transitions from the n1= 7…

A: Given :- Initial state from where transition occur = 7               Final state = 2  To calculate…

Q: Select from the following which steps are involved in the natural production of ozone in the…

A: In the stratosphere, the concentration of ozone is the maximum. The ozone gas is produced naturally…

Q: Which of the following would be the major product of the reaction shown below? CHO но MEOH H он -он…

A: Ans : a ( Put left side groups at up side and right side groups at bottom side on furanose ring.).

Q: Which reaction will NOT produce a ketone? H2SO4, H20 HgSO, 1) ВН3 THF 2) H202, NaOH A. С. 1) ВН3 THF…

A:

Q: Ba(NO,ly(aq) + K,SOlaq)Baso(s) +2 KNOlaq) Volume Volume Trial 0.10 M Ba(NO,)2 (ml) 0.10 M K,SO, (ml)…

A:

Q: The traditional synthesis of the molecule in the previous problem involves oxidation of isobutane,…

A:

Q: Question: Express the concentration of 273g of baking soda in normality, wherein it consumed 573ml…

A: 1) Formula of baking soda = NaHCO3 Given, Mass of baking soda (NaHCO3) = 273 g Volume of the…

Q: If q of the system is positive, which of the following must be true? O w must also be positive.…

A: Concept: according to 1st law of thermodynamics. Energy is conserved it can not be created nor it…

Q: Grading Your final exam score will be posted after I have graded the essay question. The exam score…

A: The false statement are as follows: c) A mixture is 2 or more different pure substances chemically…

Q: Use the vapor-pressure curve in Figure 11.22 to estimate the external pressure under which ethyl…

A: We would use the given curve to answer these questions.

Q: CH3 -OCH3 + Br С. + Br Predict the sign for C. AS° is negative AS° is & 0 AS° is positive

A: Here no of reactant and product both is 2 ∆S0=No of product -No of reactant

Q: What is the Reduction Half-Reaction? Solve for the balanced version of the reaction in acidic…

A: Half reaction -  Is either the oxidation or reduction reaction component of the a redox reaction.

Q: You are given the following reaction to complete in lab. However, you recognize an issue with the…

A:

Q: 6) Use a curved arrow mechanism to explain the epimerization of the hydroxyl stereocenter in the…

A: Sodium hydride abstracts proton form the alcohol which is accompanied by ring opening to produce…

Q: Identify buffer solutions from the following list. Choose all that apply. 00.19 M hydrocyanic acid +…

A:

Q: The change in the entropy of the surroundings is found by klnW O A G/ T Ο -ΔΗΓ O - AG/ T

A: The change in the entropy of the surroundings is found by

Q: A certain compound is composed of 69.58% Ba, 6.09 % C and 24.32% O. What is its empirical formula.…

A:

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: The first question is a simple acid and base reaction. It results in the formation of conjugate acid…

Q: Suppose 0.880 mol of electrons must be transported from one side of an electrochemical cell to…

A:

Q: 32. Which of the following statements about tetramethylsilane is incorrect? A. it produces a single…

A: The reference compound or internal standard compound used in NMR is tetramethylsilane (TMS).

Q: HBRO (aq) + H2O (1) = H3O* (ag) + BrO" (aq) a) Hypobromous acid dissociates in water according to…

A: 1.)  I ) We would first write expression for Ka . Then using given values we would Calculate…

Q: What monomers would you use to produce analogous polyester fibers?

A: Nylon is a synthetic polymer which consist of repeating units that are  linked by amide linkages…

Q: How many electrons do each of the following charged elements have? (Helps to determine proton number…

A: Proton number is the number of protons present in the nucleus which is equal to the atomic number.…

Q: 111 Problem 5 IR Spectrum everone Squd f 4000 3000 2000 1600 1200 800 V (cm') 100 Mass Spectrum…

A: DBE ( C2H4Br2 = 2- (4+2/2)+1 = 3-3 = 0.)

Q: Select which of the following conditions are necessary for the process in the previous two questions…

A: Among the given options two options are mainly responsible for the ozone depletion over south…

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

A:

Q: 1. KH, THF, 23 °C 2. H30* workup Br

A:

Q: Br HBr OH

A:

Q: Match each of the following compounds to one of the IR spectra shown below.

A:

Q: Two sets of parallel waves with the same wavelength but different initial phases are directed at a…

A:

Q: What is the product of the following reaction? 1) NaNH2 2) CI А. С. В. D.

A: The given reaction:  The product of the reaction has to be determined.

Q: mechanism to form 2-ethoxypropane and propene from a primary alcohol and a secondary alcohol using…

A: In a given question, we have to form 2 ethoxy propane and propene from primary alcohol such as…

Q: Question: Determine the Molar Concentration of Diazepam, if its pH=8.56, and has a pKa of 3.0

A: Given, pH = 8.56 pKa = 3.0 pH greater than 7 implies that it is a basic solution. So, we will…

Q: 1) Given the enthalpy of the following chemical reactions. How much is the change in enthalpy when…

A:

Q: c00 s00 D00 00

A:

Q: 1. Consider the reaction HBr + KOH --> KBr + H2O One performed the titration of HBr (0.130 M, 25.00…

A:

Q: - ΔΗΕ

A:

Q: What is the empirical formula of hydrocyanic acid (HCN) with a molar mass of 54.06 grams? show…

A: Given : Molar mass  =54.06 gram   Find :      To the empirical formula of hydrocyanic acid (HCN) .…

Q: Consider the two multistep reaction pathways, which face identical reaction conditions. Which…

A: In pathway 1 , primary alkyl halide is used. Whereas in pathway 2 , secondary alkyl halide is used.…

Q: After a careful analysis of the SDS and of the cost of NH4Cl and NH4NO3, which one would you use to

A:

Q: A student performed titration to find the concentration of acetic acid. Titrant was sodium…

A:

Q: A sealed, insulated container is divided into 2 sections by a very thin membrane. Section A contains…

A:

Q: In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced…

A: Oxidising agent is which oxidised other and reduce itself. Reducing agent is which reduces others…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 4.60 moles of Gas B. What is the…

A:

Q: Give a clear handwritten answer...

A:

Q: a. When the light source is monochromatic, Beer's Law holds true. b. Beer's Law establishes a…

A: The answer is given below

Q: If one isn't careful, toxic chloramine gas (NH2CI) can be generated by mixing household bleach…

A: #1:  Here the reactants are NaClO(aq) and NH3(aq) and the products are NH2Cl(g), NaCl(aq) and…

Q: he total number and type of bonds used in the molecule whose skeleton structure (incomplete Lewis…

A: The answer is given below

Q: For the reaction below, the rate constant at 42 °C is 0.0242 M¨'s¯' and the rate constant at 58 °C…

A: The answer is given below