HOMEWORK SET No. 8 The boiling point of hexane at 1 atm is 68.7 °C. What is the boiling point at 1 bar? Given: The vapor pressure of hexane at 49.6 o C is 53.32 k Pa. Liquid mercury has a density of 13.690 g cm−3 , and solid mercury has a density of 14.193 […]
Describe the main ideas in order of appearance. Use your own words to summarize the main points of the article and show your understanding of the article.
Article Review During research, scientists report studies’ conclusions in short abstracts. Reading science articles and writing science abstracts will help you communicate knowledge to others. Step 1: Select and carefully read a science article. Choose a science article within the topic assigned that interests you! Articles must be no more than 3 months old, and […]
Explain what happens to the plot if temperature was increased by three-fold, or, separately, all the oxygen molecules atomized into atomic oxygen (decrease in mass)?
Physical chemistry life sciences The Maxwell-Boltzmann distribution for molecular oxygen at 900 K is shown below (Fig. 1). Explain what happens to the plot if (a) temperature was increased by three-fold, or, separately, (b) all the oxygen molecules atomized into atomic oxygen (decrease in mass)? PLOTTING IS OPTIONAL.
Calculate the change in Gibbs energy. Calculate the total change in entropy of the system and the surroundings.
Physical chemistry life sciences In a particular biological reaction taking place in the body at 37°C, the change in enthalpy was -115 kJ mol-1 and the change in entropy was -116 J K-1 mo1-1. (a) Calculate the change in Gibbs energy. (b) Is the reaction spontaneous? (c) Calculate the total change in entropy of the […]
What is your favorite color or color combination of firework? Do a deep dive into how this color is created and discuss the key chemical principles at play.
Question 1 – The Chemistry of Fireworks Review the attached YouTube video. The objective of this assignment is to summarize and to analyze the chemistry of fireworks in the context of elemental analysis. What is your favorite color or color combination of firework? Do a deep dive into how this color is created and discuss […]
What is the molar mass of the unlcnown substance? Would this balloon float in a room of 25.0 C ammonia INH3) gas.
Questions (including the gas laws, the heat capacity laws, and the laws of stoichiometry) with proofs (9 points) A 15.0 gram piece of metal is heated to 65.0 • C and then dropped into 175 grams of 24.0’C water. The system eventually comes to a stable temperature of 35.5 • C. (The specific heat of […]
State the relationship between B and C. Are they different depictions of the same molecule, enantiomers, or diastereomers?
ASSIGNMENT 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. The use of blue or black ink (rather than pencil) […]
What do you think would have happened if the Washington Forest Service did not assess the impact of resources on their two-year plan?
Assignment-2: Case Study & Discussion questions Assignment Case study Question: (Marks 9) 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 […]
How many moles are contained in 90 gram of H2O?
QUESTION How many moles are contained in 90 gram of H2O?
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%?
Assignment 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.