A reaction rate increases by a factor of 1560 in the presence of a catalyst at 16°C. The activation energy of the original, uncatalysed, pathway is 71 kJ mol-1. What is the activation energy of the catalyzed pathway, all other factors being equal?

Q: 1 sig fig 3 sig figs Possible answers No Answers Chosen No Answers Chosen 2 sig figs More than 3 sig…

A: The rules for writing the number of significant figures are:       Non-zero digits are always…

Q: Based on their positions in the periodic table, which series of atoms is arranged in order of…

A: Q.3)=> •Given options are:- •Here some orders of elements given in increasing trend with…

Q: 1.) A dense plastic-like shape has a mass of 42.985 g and has a volume of 41.96 mL. What is the…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: 1 2 1 > Dry ice (frozen carbon. dioxide). Water. Saline. Blood. 1. Compound 2. Solution 3.…

A: Answer: When a mixture contains more than one compound then it can be classified as solution or…

Q: c) CH3-CH₂-OH → CH3-CH₂-OCH 3

A:

Q: After completing a Experiment, a student determined that the total concentration of reducible iodine…

A: According to the question: The total concentration of reducible iodine = 0.01563 M The concentration…

Q: The enthalpy of fusion (ΔHfus) for aluminum is 8.66 kJ/mol. How much energy (in kJ) is released when…

A:

Q: What are "common names" of organic molecules? How do those rules change if we substitute some of the…

A: Common names of organic compounds are often based on historical usage, the source of the compound,…

Q: Question 1 An Olympic-sized pool is 45.3367m long, 24.889m wide, and 1.6347m deep. How many moles of…

A: 1) Given data is Length of  Olympic-sized pool= 45.3367m Width = 24.889 m Depth =1.6347m deep…

Q: An 18 carat white gold is made by dissolving 14.4014 g of Copper, 10.2636 g of Silver, and 60.3491 g…

A: The volume of the gold present in 100 mL of the alloy is known as the volume percent of the gold. To…

Q: Write the balanced COMPLETE ionic equation for the reaction when FeBr3 and (NH4)2S are mixed in…

A:

Q: 1. Predict the major product(s) for each of the following reactions aos CH3 NH₂ [H+] [H+] & B (-H₂O)…

A:

Q: 5. Writ the name of the following compounds: CHO OH OH

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

Q: 36 Write the common name for each of the following ethers. (a) (b)

A: We have been given three organic compounds and we have been asked to write their common names.…

Q: Copper can be mined and processed from the following ores: chalcopyrite (CuFeS2), chalcocite (Cu₂S)…

A: •Given ores:- Chalcocite=> (Cu2S) Chalcopyrite=> CuFeS2 Covelite => CuS

Q: What is the Heat of Fusion? 2. How to Calculate the Heat of fusion? 3. What is the Molar heat of…

A: Hfusion is used in thermodynamics to calculate the energy required to change the phase of a…

Q: Identify what GalNAc, GlcNAc, Frutose and Sialic Acid are, draw them and describe their…

A: We have find out the answer.

Q: .000104 Be sure to answer all parts. Calculate the molar solubility of Ag2SO4 in each solution…

A: According to the question, The Ksp for the silver sulfate is given by = 1.5x10-5 The molar…

Q: 2:42 PM Mon Jan 30 Question 17 of 20 If a particular liquid has a normal boiling point of 338.0 K…

A:

Q: What is the major product that results from the following reaction sequence? A 1) 03 2) DMS ထို အင်း…

A:

Q: What volume (in mL) of 0.200 M HCI would be required to completely react with 4.40 g of Al in the…

A:

Q: A. Complete the equations below. Take note that the atomic mass in the equations must be rounded off…

A:

Q: The major products A and B in the following synthetic strategy are (a) A= Me R & -OMe B= Me (c) A=…

A: full mechanism is shown below

Q: Here are two possible methods for measuring the volume of an irregular shaped object: a) Add it to a…

A: For irregularly shaped body - it cannot be measured through a ruler.

Q: Atom/ion/Molecule Number of protons Number of electrons CaO molecule ? ?

A: An atom has mainly three sub atomic particles- protons, electrons and neutrons. Protons and neutrons…

Q: A canister containing 8g of helium gas (atomic mass 4.0 u) was used to fill up party balloons. When…

A: Answer: This question is based on ideal gas equation and we have to use it to find out the mass of…

Q: b) What is the standard enthalpy of reaction per mole of KOH when 50.00 cm³ of 1.0 moldm-³ of Nitric…

A: This problem is based on First Law of thermodynamics. Here we have to find out the enthalpy and…

Q: What is the major product that results from the following reaction? Br Ø Br HBr 40 °C Br - ? Br

A:

Q: b) CH3 HBr peroxides

A: We know in presence of peroxide reaction proceeds via free radical mechanism and follow anti…

Q: A solution is made containing 14.7 g of CH3OH in 185 g H2O. Calculate the Mole fraction of CH3OH.…

A: The mole fraction of a component in the mixture is defined by the ratio of moles of that substance…

Q: What does the combination of O2, introduced into an environment where it had not previously existed,…

A: Given : O2 gas introduced

Q: How much iron oxide (Fe2O3) is needed to make a 500 mg fuel rich mixture of aluminum (Al) and iron…

A: Amount of iron oxide to make a 500 mg fuel rich mixture of aluminium=?  What is the actual F/O ratio…

Q: hermosetting (k') vinyl monomer (l') vinylidene monomer

A: Solution -1) Thermosetting - The polymer which after heating can not be converted into its original…

Q: It takes 151. kJ/mol to break an iodine-iodine single bond. Calculate the maximum wavelength of…

A: •Given:- Energy required= 151 KJ We have to calculate maximum wavelength.

Q: All of the following acid-base reactions are reactions that we will study in greater detail in the…

A:

Q: The following reaction was carried out in a 3.00 reaction vessel at 1100 K: C(s) + H₂O(g) = CO(g) +…

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical…

Q: To measure 345 µl of water, set the P1000 micropipette to of 0-3-4 and 5 lines To measure 3.5 µl of…

A: •Micropipette:- Micropipette are those instruments in laboratories which are accurately and…

Q: Calculate the amount of heat needed to melt 186. g of solid octane (C₂Hg) and bring it to a…

A: •Given:-

Q: Draw the structure of the dipeptide Lys-Pro that is predominant at pH 8. Include all of the atoms…

A: To draw the structure of a dipeptide Lys-Pro that is predominate at pH equals to 8.

Q: Br

A: Note: According to our guidelines we are supposed to answer only one question. Kindly repost other…

Q: Give the IUPAC name for the structure below. pa OH

A: The answer for this problem is provided below in great details within the attached figure.

Q: Which starting material, when treated with NBS and light, results in only the 4 products shown? ?…

A:

Q: How many faradays of electricity are required to produce (a) 0.35 L of O₂ at exactly 1 atm and 25°C…

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

Q: A popular blue colored medicine usually used to treat symptoms of flu has been analyzed and found to…

A:

Q: 8. What is the hybridization of each of the indicated atoms? (r CH3CH₂C=N CH3C=NCH3 CH3CCH3 0=C=0…

A:

Q: What is the major product of the following reaction? Br + En Br HBr ? + En Br Br Br + En

A: This is hydrobromation reaction

Q: 2. In your own words, explain the difference between step-reaction polymerization and chain-reaction…

A: Polymerization is the chemical process of combining monomers to form a polymer, a large…

Q: QUESTION 2 In an acid-base titration, 10.0 mL (VB) of NH3 (Ka(NH4+) = 5.8×10-10) 0.18 M (CB) are…

A: Using the equilibrium reaction of NH4 + and it's concentration, pH value can be obtained at…

Q: How good is the accuracy of this graph? Explain how you know if the accuracy is good or bad in the…

A: A question based on tools in analytical chemistry. A graph and the equation of straight line…

Q: Draw the Lewis structure that corresponds to each of the following Newman projections. CH3 CH3 H H…

A: Lewis structure Lewis structures are diagrams that illustrate how atoms in a molecule are bonded to…