Acheulean tools date back to approximately. 1.8 million 1.4 million 1 million 600,000 years ago.

Q: Activated complex 2. According to the diagram, which of the following is Activeted complex correct?…

A: According to the diagram given the average energy of the reactants is less than the energy of the…

Q: A room has a width of 14.1 feet, a length of 15.5 feet, and a ceiling height of 12.0 ft. a) How many…

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Q: 1) Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COONa, in 78.0…

A: Data

Q: An Acid contains more OHI-JOH) OOH] [H] IHO)< [H] O )Contains no (H]

A: An acid is a substance that gives hydrogen ion H+or a hydronium ion H3O+when dissolved in water. A…

Q: Question 4 The rate of dehydrogenation of sec-butanol on a zinc oxide catalyst at 350°C and 1 atm…

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Q: Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist…

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Q: What is the pH of a 2.05 M solution of HNO2 (Ka = 4.5 x 10-4)?

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Q: The following reaction occurs spontaneously. 2 H*(aq) + Ca(s) → Ca²+ (aq) + H₂(g) - Which is correct…

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Q: What is the corresponding orbital for a 5,1,0 state? 1s 2. 5s 3. 5px 4. 5py 5. 5pz 6. 5dxy 7. 5d,

A: The structural analysis of an atom shows that it contains electrons, neutrons, and protons. Neutrons…

Q: Calculate the AH, AS, and AG at 298 K for the following reaction: (Use the values found in…

A: Given data :  deltaH° = -64 KJ/mol  deltaS° = 76.9 KJ/mol  Conversions used :  1 KJ = 1000 J…

Q: I got this incorrect

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Q: Which of the following properties would be the same for a pair of enantiomeric monosaccharides? O…

A: No, your response is not correct. A pair of enantiomers have same physical and chemical properties,…

Q: Using the apparatus described in the figure below, a 200.0-mL flask at 97°C and a pressure of 738…

A: Given: Mass of substance = 0.987 g Temperature = 97 oC Pressure = 738 mm Hg = 738 / 760 = 0.97105…

Q: please explains why this is wrong

A: Polar compounds are those in which there is electronegative difference between the two atoms. In the…

Q: A liquid boils at 100°C. Which other property of a liquid proves that it is pure ter? * a. It…

A: Kinetic energy can be defined as the energy that 8s possessed by particles due to their motion.

Q: Ba2+ (ag) + SO,²-(aq) → BaSO, (s) A student obtains a 10.0 g sample of a white powder labeled as…

A: 10 gm powdered sample of BaCl2 is dissolved in 50 mL of water. Then excess Na2SO4 is added to it.

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: NiS is a compound which is named as Nickel Sulphide and It is insoluble in water.

Q: please help me correct my mistake?

A: The given starting material are,

Q: The answer was incorrect and I don't understand why

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Q: The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a…

A: Conjugated dienes can give 1,2 or 1,4 addition products in the electrophilic addition reactions. In…

Q: What is (are) the product(s) of the following reaction? Br

A: The first step in the E1 reaction is the formation of stable tertiary carbocation, followed by…

Q: For Numbers 11- 16, Identify whether each process is : %3D A. spontaneous or B. non-spontaneous 11.…

A: Spontaneous process refers to the process which occurs on its own without the requirement of…

Q: Row two is incorrect

A: Sulfuric acid, H2SO4 when dissolved in water dissociates into cation and anion.

Q: Eto OEt 1. NaOEt, EtOH, heat 2. H3O* or H₂O be OEt

A: Given,The reaction:

Q: 2. Fill-in-the-blanks: Draw the missing products involved in the following single step reactions.…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.

Q: That's is incorrect

A: The given steps concern the mass spectrum analysis of organic compounds using the mass spectroscopy…

Q: Using the Maxwell's relationships, we derived the following equation, ), ="(#),-P What is () for a…

A: The given Maxwell relation is,            ∂U∂VT =T ∂P∂TV  - P     → (1) The Vander Waals equation…