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- Explain the following properties of nanomaterials a. surface area in bulk systems vs nanomaterials b. surface energy c. percentage of atoms on the surface of a nanomaterial vs bulkD A M (no subject)-fantil@udeledu ← Capp.101edu.co 1 Q Z 95'1 O 2 W x X Alt 3 SD D E Mail Francesca A Tantillo-Out X C D 4. $ 4 R F Question 37 of 37 Identify potassium fluoride (KF) as one of the following types of solids. L V % START HERE-CHM150-251 Cher x Aktiv Chemistry 5 T HOLDE & CON A) ionic G B) molecular C) covalent-network D) metallic B O A 6 Y H N & 7 U J PrtScn 8 M x + Home K ( 9 N O Alt End L F10 ) 0 PgUp P { JU [ : ; PgDn12 B ? 1 ☆ O + 1:32 PM 7/23/2022 Update Submit D Del Backspace Enter ShiftRecognize the features of molecules that favor formation of liquid crystalline phases?
- Naphthalene melts at 353 K. The vapor pressure of the liquid is 9329.0 Pa at 407 K and 28,638 Pa at 442 K. The vapor pressure of the solid is 3.13 Pa at 286 K and 726.3 Pa at 349 K. Calculate the triple point temperature. Calculate the triple point pressure.Organic molecules change phases above 300°C. O True O FalseIllustrate the phase diagram of acetone and explain your findings.
- 20. What is the relationship between intermolecular forces (IMFS) and the physical properties of solids and liquids? Using relevant chemical examples and at least one (1) physical property of your choosing, explain the effect of (a) hydrogen bonding; (b) dipole-dipole attractions; and (c) dispersion forces on your chosen physical property. Point form is both accepted and expected for this question. (Draw and explain pressure-density phase diagram for CO2.5. You have two objects that are made of materials that have the same chemical composition, but different crystal structure. In Materials Science and Engineering, what is this called? Are these materials the same phase or different phases? Explain.
- Q5/ A. Classify the ceramics materials and give typical example with justification for each class. B. Differentiate between the amorphous glass and crystalline ceramic. Support your answer with the specific Volume-Temperature plot.The properties of two pure liquids with comparable molar masses, A and B, were investigated. When 8 mL each of A and B were allowed to spill on a glass surface, it was observed that liquid A flows faster than liquid B. Which of the following statements is true based from the above information? A. Liquid A has greater viscosity than liquid B. B. Liquid B is more likely to have stronger interaction among its molecules than liquid A. C. Liquid B is more likely to have stronger interaction with non-polar solvents than liquid A. D. Liquid A has greater surface tension than liquid B.A phase diagram of water is shown below C (374 C, 218 atm) 2 3. A (0.01 C, 0.00603 atm) Temperature https://scilearn.sydney.edu.anu... 1. Identify the four phases shown as 1-4 in the phase diagram. a. C. b. d. 2. What names are given to the points A and C? a. b. 3. The boundary line A-B is slightly tilted to the left. What are the physical and biological significances of this? Pressur