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Chemistry Turn off all electronic devices before the exam. During the exam, you are permitted: a molecular model kit and two 8½ in. × 11 in. sheets of handwritten notes. (Front and back; no typed or electronic notes!) Stencils for drawing conformations are not permitted. Put your name on every page in case your exam […]
Chemistry Assignment Case study Question: (Marks 9) Please read the Case-8.3 “Tham Luang Cave Rescue.” from Chapter 8 “Scheduling Resources and Costs” given in your textbook – Project Management: The Managerial Process 8th edition by Larson and Gray page no: 304-307 also refer to specific concepts you have learned from the chapter to support your […]
Chemistry 90 gram of H2O contains how many moles?
Structure and functions of macro molecules.Discuss On each slide, about 3-4 most relevant information.
Chemistry How many ions are formed during the dissociation of 500 molecules of carbonic acid, if it dissociates in the first degree by 20%, and in the second degree by 1%? Explain your answer.
Classification of element and periodicity in properties 1. In 1800 how many elements were known ? A 31 B 35 C 53 D 30 2. Which group of elements indicate the doberenier triads ? A Ca,Sr,Na B Li,Na,Ba C Li,Na,K D Cl,Br,F 3. Which Medal is given by the royal society of London to newlands […]
1)Nitrogen monoxide is a pollutant commonly found in smokestack emissions. One way to remove it is to react it with ammonia. 4NH3(g) + 6NO(g) → 5N2(g) + 6H2O(ℓ) How many liters of ammonia are required to change 17.2 L of nitrogen monoxide to nitrogen gas? Assume 100% yield and that all gases are measured at […]
a. What is the structure, traditional name and IUPAC name of the molecule? Provide a picture from the web (citation required) or draw by hand or with a program. b. Label your molecular drawing(s) with the CIP rankings and indicate the R or S assignment for each chiral center. c. What does the compound/molecule do […]
Chemistry 340 Physical Chemistry for Biochemists 1. One mole of nitrogen is allowed to expand from 0.5 to 10 L. Calculate the change in entropy using the ideal gas law. 2. (a) Integrate the Gibbs-Helmholtz equation to obtain an expression for ∆G2 at temperature T2 in terms of ∆G1 at 1 T , assuming ∆H […]
A labelled diagram is required for each question. Answer the following problems, providing details on all calculations. The #, ##, ### or #### will represent the LAST 1,2,3 or 4 digits of your student number. 000837359 Question 1) Air Pollution Mass Balance The City of A is approximately 25 km (width) by 40 km (length). […]
