5. A family of compounds that often have a pleasant smell.  The are commonly found in fruits.  26. Give an example of a ketone and state a common, well-known use or source for that same substance. 29. Use the down arrow on the far left of the row of icons above the space where you enter your answer to access the superscript "x2" function.   Write the symbol for the potassium ion

I. List all the IMFS that are present in a pure sample of substance A below. The Lewis structure of a molecule is shown. H -C C-H | | H II. Draw one example of substance A acting as a H-bond donor with water. Make sure your H- bond starts and ends in the right places. If the molecule can't act as a H-bond donor, write "not possible." II. Draw one example of substance A acting as a H-bond acceptor with water. Make sure your H-bond starts and ends in the right places. If the molecule can't act as a H-bond acceptor, write "not possible." IV. List all the IMF that are present in a pure sample of substance B below. The Lewis structure of a molecule is shown. H H. C N. H H. H V. Compare substance A and substance B. Which would you expect to have the highest boiling point? Briefly explain why (in about 1 sentence). IIC- :O:

The concentration of nitrogen gas in a solution under a partial pressure of 1.97 atm is 0.209 concentration of nitrogen gas in the solution under a partial pressure of 0.475 atm A. 4.48 M B. 0.223 M 0.0504 M M. Calculate the at the same temperature. D. 0.0192 M

Solve question 26 and 27

1. LDA, -78°C 2 CHIẾ 1. NaH 2. 1. LDA, -78°C 2. CH_Br 3. LDA, -78°C 4. CH_Br Br 1. NaH 2. Br

L Moving to another question will save this response. Question 18 Which is not an important property of water? a. Solvency b. Adhesion c. Cohesion d. All of the above are important A Moving to another question will save this response. 15,213 FEB 25 Question 18 of 40> 2.5 points Question 18 of 40 tv Save Answer C A ssa

Options for first blank: A. Exothermic B. Endothermic Options for second blank: A. Less B. More Options for third blank: A. Le chantelier’s principle B. Henry’s law

10. Molecules that interact with the infrared region of the electromagnetic spectrum, use the energy of the infrared radiation to: a. vibrate b. rotate (spin) c. break bonds apart

Match the following descriptions in column A to the choices listed in column B: A 1. Stoichiometry 2. Spikes 3. Ferromagnetism 4. Colloid 5. Hole 6. Nanoparticle 7. Empirical formula 8. Unit cell 9. Surfactant 10. Ferrofluid 11. Magnetite 12. Van der Waals forces B a. Weak forces of attraction between molecules b. Regions where unpaired electrons strongly interact with one another & align, even in the absence of a magnetic field c. A pattern of uplifted suspended particles that arise from placing a magnet near ferrofluid d. A chemical term that deals with relative amounts of substances involved in chemical reactions e. A dispersion of particles from ~ 1 nm to 1000nm f. A phenomenon in which the internal magnetic moments of unpaired electrons within the domain of the solid are aligned and act cooperatively g. An empty site in a crystalline solid h. A very small particle on a scale of nanometers (10⁹m) i. The name for Fe3O4 j. Information that gives the simplest ratio between atoms of…

Energy Respond to this prompt using 10 sentences or less. 1.) Give an example of kinetic energy in your daily life. Explain why your example is kinetic energy. 2.) Give an example of potential energy in your daily life. Explain why your example is potential energy. 3.) Provide an example where you observe either kinetic energy converting to potential energy or potential energy converting to kinetic energy.