The gas phase decomposition of hydrogen iodide at 700 K HI(g)- → H₂(g) + ½ l₂(g) is second order in HI with a rate constant of 1.20x10-³ M-¹s-¹. How much time is required for the concentration of HI to drop to 0.418 M if its initial concentration is 2.50 M? S

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: In this question we need to identify the relationship between the two units and then we will…

Q: Which of the following are products of the reaction below? Select all that apply. Labmaing obud A.…

A: This problem of organic reaction is based on use of an organometallic catalyst : Grubbs catalyst…

Q: The equilibrium constant is given for one of two hypothetical reactions below. Determine the value…

A:

Q: c) The first molecule: trans-2-butene. The second molecule is a mirror image of trans-2-butene. Both…

A: molecules will form optical isomers if they are in non-superimposable mirror image relationship.

Q: One reason for learning about the factors that affect spontaneity is that we can use this knowledge…

A: Temperature control: A chemical reaction's rate and course can be impacted by temperature changes.…

Q: Suppose i want to manufacture a 250 ml hand wash ,for this what is the working formulae?  Please…

A: To manufacture a 250 ml hand wash, you will need the following ingredients and…

Q: 2. Suggest mechanisms for the following reactions. NHPh HCI Ph 3. Suggest mechanisms for the…

A:

Q: 1.17 1.17 g cm³ + cm A liquid in the lab has a density of 1.17 g/cm³ What is the volume in liters of…

A:

Q: Hydrazine, N2H4N2H4, reacts with oxygen to form nitrogen gas and water.…

A:

Q: What is the molecular geometry of the PH3 molecule ? A) T-shaped B) trigonal planar D) seesaw E)…

A: Given-PH3 Molecules.We need to determine the molecular geometry of PH3 molecule.

Q: Write the products of the following acid-base reaction. CH3OH + O HCI CH4 . You should include all…

A: In organic chemistry, alcohol can be converted to alkyl halide by reacting with acids like HX ( X=…

Q: At a certain temperature, Keq = 0.90 for the following reaction: FeO (s) + CO(g) Fe(s) + CO2(g) If…

A: The reaction involved:FeO (s) + CO (g) <-------> Fe (s) + CO2 (g)Keq = 0.90Initial pressure of…

Q: How was Thin Layer Chromatography (TLC) used in organic synthesis reactions ? TLC is used to find…

A: IntroductionThin Layer Chromatography (TLC) is a widely used analytical technique in organic…

Q: Calculate the volume, in L, of water that must be added to dilute 15.6 mL of 10.4 MHCI to 0.0900…

A:

Q: pls explain and answer 3 -OH C How many carbon signals would you expect in the 13C NMR spectrum for…

A: Carbon in different chemical environment give different signal. Different types of carbon  = number…

Q: The atmospheric pressure at the summit of Mt. McKinley is 610. mmHg on a certain day. What is the…

A:

Q: Which of the following aqueous solutions are good buffer systems?   0.13 M acetic acid + 0.20 M…

A: IntroductionWhen modest amounts of acid or base are introduced to a solution, the pH does not…

Q: Identify the structure of the major organic product formed in this reaction. O H₂C Br H₂C H₂C Br H…

A: The addition of HBr to unsaturated system takes place according to Markovnikov rule.Markovnikov…

Q: The decomposition of HCO₂H follows first-order kinetics. HCO₂H(g) →→→→→→→ CO₂(g) + H₂(g) The…

A:

Q: A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The…

A: This question is based on the concept of a bomb calorimetric experiment. A bomb calorimeter is an…

Q: If the hydrogens labeled 'a' integrate for H, what integration is found for the hydrogens labeled…

A:

Q: EXP# (A) (M) (B) (M) 1 0.100 0.100 2 0.300 0.100 3 0.100 0.200 4 0.150 0.600 RATE (M/s) 0.300 8.10…

A:

Q: Classify the following transformations as either. a) an oxidation, b) a reduction, c) neither a…

A: The loosing of electrons is known as oxidation and accepting of electron is reduction .

Q: Indicate the (i)metal oxidation state, (ii)d-electron count, and (iii) thecoordination numberof…

A: The given structure presents the deoxy myoglobin.

Q: An airplane cabin is pressurized to.6.30 x 102 mmHg. What is the pressure inside the cabin in…

A: In this type of question we need to identify the relationship between the two units and then we can…

Q: Certain metals can be purified by electrolysis. A mixture of Ag, An, and Fe can be dissolved so that…

A: For the electrolysis of the metal, the reduction of ions depends on their reduction potentials. The…

Q: What is the pH (answer in 2 decimals) of a solution containing 0.050 M sodium formate (NaCOOH) and…

A:

Q: What is the pH (in two decimal places) of a weak base-strong acid titration when 25.0 mL of 0.56 M…

A: Volume of NaOCl = 25.0 mlMolarity of NaOCl = 0.56 MVolume of HCl = 23.0 mlMolarity of HCl = 0.34 MKa…

Q: Which best completes the following reaction? H3C. CH3 1) NaBH4, 2) H3O+ H₂NNH₂, KOH (Ph)3P=CHCH3,…

A: REDUCTION OF CARBONYLL GROUP IN PRESENCE OF H2NNH2 AND KOH IS KNOWN AS A WOLFF KISHNER REDUCTION.

Q: The rate constant for the reaction shown below was found to be 1.6 x 10-3 L mol-1 sec-1 at 540 K and…

A: We know for two different temperatures Arrhenius equation will be,logk2/k1 = Ea(1/T2 - 1/T1)/2.303R…

Q: what is the element symbol for the following electron configuration? 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2…

A: The distribution of electrons in different orbitals of an atom of element is known as its electronic…

Q: What is the standard enthalpy of formation of MgO(s) if 300.9 kJ is evolved when 20.15 g of MgO(s)…

A: The standard enthalpy of formation is the change in enthalpy that accompanies the formation of one…

Q: Pm Spell out the complete name of the unit. picometers Submit Previous Answers Request Answer

A: The unit "Pm" represents the Petameter, which is a metric unit of length. In the metric…

Q: a fluoride ion has a larger atomic radius than a fluorine atom. true or false Manganese is the most…

A: Size of cation is smaller than the corresponding atom due to increased effective nuclear charge.Size…

Q: Which of the following reactions is favorable, in the direction indicated, under fairly "normal"…

A: Correct Answer is  Option B  Ester to amide convertion. The general mechanism for the reaction…

Q: For the gas phase decomposition of phosphine at 120 °C 4 PH3(g)P4(g) + 6 H₂(g) the following data…

A: The average rate of disappearance of PH3 at time period t=68.0 to t=102 s is = ?

Q: Which neutral atom is this ? Which group and period ?

A: The electron configuration  corresponds to the element iron (Fe) with an atomic number of 26. Iron…

Q: What is the boiling point of a 4.0 m solution of CaCl2? [ kb = 0.52°C/ m]

A:

Q: Recorded Data Unknown Number or Letter C Part I: Double Displacement Reactions cation Ba²+ Ca²+ Mg²+…

A: A double displacement reaction shows the exchange of cations and anions between two ionic species in…

Q: Which reacgents should be used to complete the following reaction? ○1) BH3 2)NaOH/H₂O2 1)…

A: The reaction of pentene with BH3 (borane) followed by NaOH (sodium hydroxide) and H2O2…

Q: In a study of the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C H₂O₂(aq)…

A:

Q: Predict the splitting pattern for protons labeled a, b, and c, giving that for "a" first. b C…

A:

Q: Calculate the pH and the equilibrium concentrations of HC₂04 and C₂042 in a 0.0310 M oxalic acid…

A: Concentration of Oxalic Acid = 0.0310 M

Q: Which of the following would you expect for the proton signals in the ¹H NMR spectrum of the…

A: Here we are required to predict the NMR splitting pattern of the given compound, diethyl ether.

Q: 3A. Identify the functional groups corresponding to the peaks in the IR of the product of the…

A: THE REACTANT BENZOPHENONE HAVE CARBONYL GROUP WHICH SHOWS A STRONG PEAK AT 1690-1710CM- , BUT THIS…

Q: What is the major product of the following reaction? A B A B OCH₂CH=CH₂ 250° C CD с D OH CH₂CH=CH₂

A: The given reaction is the heating of allyl ether popularly known as Claisen rearrangement is a [3,3]…

Q: 3.2 STARTING AMOUNT 3.2 km km + 1 A student needs to run 3.2 km to get to school. If the student can…

A: Given:The distance to be traveled to get to school = 3.2 kmSpeed of the student = 5.5 mi/hrTo…

Q: CH₂ONA, CH₂OH heat Na O :Br:0 H HH Br Na HH 8:0 CH₂

A: Elimination reaction is a kind of organic reaction in which any two substituent are eliminated from…

Q: What is needed to complete the following reaction? (CH3)2NH CH3NH2 (CH3)3N (CH3)4N+ H3C CH3 H3C NCH…

A: Detail

Q: 6. After preparing 0.10 M sodium acetate to a volume of 50ml, what is the theoretical pH after…

A: IntroductionTo calculate the theoretical pH after adding 1.00 mL of 1.0 M NaOH to a 0.10 M sodium…