What do you call the number of reacting particles that participate in a single step of a reaction mechanism? Select one: a. Order b. Molecularity c. catalyst d. enzymes

Q: 1. (Existing knowledge, research and views) Define ideal gases in your own words and describe the…

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Q: Hydrazine, N2H4 is used as rocket fuels. The thermochemical equations for the combustion of…

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Q: calculate the standard cell potential (E°cell )

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Q: A chemist dissolves 436. mg of pure barium hydroxide in enough water to make up 100. mL of solution.…

A: Given :  Mass of barium hydroxide = 436 mg  Volume of solution = 100. mL  To calculate :-  pH of…

Q: What is the pH of the solution at the equivalence point?

A: Equivalence point :-  In acid-base titration the point at which the amount of acid added is exactly…

Q: What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 40.00 mL of 0.10 M…

A: Weak acid are those which does not dissociate completely in aqueous solution. Here all CH3COOH are…

Q: Is TMS a good leaving group by itself? Can this all happen in one step? Please show the mechanism if…

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Q: ओोण्ना व छैकामकोe oनहवड (०. 655 Mmol) वर ०.6३० वरनल डि एतविल्वरव कीलता एतविकवहवd 2.5५ । t० s.32 L.…

A: Pressure=0.630 atm  V1=2.54L  V2=9.32L  R=0.08206 atm-L/mole. K

Q: The substance ammonia has the following properties: normal melting point: 195.4 K normal boiling…

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Q: The decomposition of N2O5 is a first-order reaction with a rate constant of 0.420 min-1. If the…

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Q: What is the pH of the resulting solution if 30.00 mL of 0.10 M acetic acid is added to 10.00 mL of…

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Q: Write the IUPAC name for the given molecule

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: What reaction will take place at the cathode and the anode when each of the following is…

A: Higher the value of standard reduction potential for a species, higher will be its tendency to gets…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 4.10 billion years old by…

A: Concept:  Radioactive decay: It is the process by which an unstable atomic nucleus loses energy by…

Q: For the reaction t (s) [H*] (M) 2.32 CHJОнаq) + H*аq) + CI Taq) — сH C{aq) + H200) 30.0 2.10 the…

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Q: A sample of cesium-137 has an activity of 8.00 mCi.  How many micrograms of Cs-137 are present in…

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Q: 2) According to the following equation, Calculate the percentage yield if 550.0 g of toluene (CHs…

A: 2. Given :-  C7H8 + HNO3 → C7H7NO2 + H2O  Mass of C7H8 = 550.0 g  Actual yield of C7H7NO2 = 305 g…

Q: 34 What do you call the slowest step that determines how fast the overall reaction proceeds? Select…

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Q: A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

A: First we would Calculate pH of buffer solution using Henderson Hasselbalch equation.  When HCl is…

Q: Determine which of the following pairs of reactants will result in a spontaneous reaction at 25°C.…

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Q: e newman projection. (2) Rotate the carbon #1 to 60 degree for 6 s until a 360 degree rotation was…

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Q: Chapter 17 Multiple Choice Question 39 eview | Con Part A A 100.0 ml sample of 0.10 M NH3 is…

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Q: How much of a 0.15 g sample of U-238 after the passage of 3200 years? Half-life is 4.01x10^9 years.

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Q: Using the given portion of the activity series (going from stronger to weaker reducing agent),…

A: To check the products , we need to use standard potential of these metal and metal ions to check…

Q: Which one of the following structures is (S)-(E)-hex-4-en-3-ol? OH A) OH B) OH C) D)

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)    For…

Q: rs in Blood 6 of 16 I Review | Constants | Periodic Table Part B At a pH of 7.40, what is the ratio…

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Q: স फलकव किाचोव की वना चभक ाक रि न्ा ester क ng णव्ठा वत्कण. CHa(CH2 23 o4 कलव एवmnाiंnात वटांव ण

A: The given question discusses about the formation of an ester linkage by the reaction of acid and…

Q: OH

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Q: Consider the 4 Lewis structures given here, it is the ion NSO". [Ns-+] [s] [sso] [s0]" N=S=Ö (B) (C)…

A: In resonance structures , total number of bonds remain same .  Formal charge can be calculated using…

Q: To prepare an acetic acid/acetate buffer, a technician mixes 31.9 mL of 0.0836 M acetic acid and…

A: Concept:  Molarity = no of Moles/ Volume Now  No of Moles = MV  Where  M = molality  V = volume

Q: 3.5 x 10-8) What is the pH at the equivalence point in the titration of 100.0 mL of 0.0500 M HOCI…

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Q: 2. Rank the following species in order of INCREASING nucleophilicity (1= least nucleophilic a. "CN…

A: To think about the Nucleophilicity one must know about the nucleophile.  Nucleophile- Nucleophile is…

Q: EXPRESS THESE AS CHEMIC

A: Answer: chemical formula of CH3NH2 is = CH3NH2 Chemical formula of C4H9N is  = C4H9N

Q: The volume of a sample of hydrogen gas was decreased from 10.57 L to 3.86 L at constant temperature.…

A: Given :-  Initial volume = 10.57 L Final volume = 3.86 L Final pressure = 8.79 atm  To calculate :-…

Q: What is the oxidized product of the following alcohol oxidization reaction? If no reaction, select…

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Q: Use tabulated values to determine the Kw (autoionization of water) at 310 K.

A: Ionization of water requires energy , so it is an Endothermic process. Thua value of Kw changes with…

Q: When a certain strong-field ligand forms a tetrahedral complex with Zn“' cation, the energies of the…

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Q: The study of energy changes that accompany chemical and physical changes is known as? Select one: a.…

A: Thermochemistry

Q: Which of the following would best describe the nature of the major product of the following…

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Q: A radioactive particle that consists of two protons and two neutrons alpha particle beta particle…

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Q: 2. In a certain polluted area, the partial pressure of NO gas was 8 pascal. The mixing ratio of NO…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Given 300.0 mL of gas at 17.0°C, what is its volume at 10.0°C? Which gas law should you use? (use A…

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Q: Consider the titration of 30.0 mL of 0.255 M weak base B (Kb = 1.3 x 1010) with 0.150 M HI. a) What…

A: a.) We would write dissociation equation of base in water and use its Concentration and Kb values.…

Q: The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by…

A: The decomposition of mercury(II) oxide (HgO) produces liquid mercury and gaseous dioxygen.

Q: if i need to make  225 L of a 0.5 M LiCl solution , how much of the original 2 M LiCl solution do i…

A: Given :-  Initial concentration = 2 M  Final concentration = 0.5 M  Final volume = 225 L  To…

Q: of 25 > If an ideal gas has a pressure of 4.91 atm, a temperature of 57.35 °C, and a volume of 31.57…

A: Given - - > n =?  P = 4.91 atm V = 31.57 L T = 57.35°C = (57.35 + 273.15)K = 330.5 K R = 0.0821…

Q: What do you call the heat content of the sample of matter? Select one: a. Calorie b. Entropy c.…

A: Enthalpy of a system

Q: Calculate ∆Hrxn in kJ/mol of NaOH, if the initial temperature is 25.00 oC and the final temperature…

A: Given, the initial temperature = 25.00 oC The final temperature = 31.22 oC The volume of HCl = 100…

Q: 46  It is the time required for half of the reactant to react is known as? Select one: a. time…

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Q: Question 1 A 0.500 mol sample of Ar is held in a 619 mL container at 87.7 degrees Celcius. What is…

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