Magnesium bromide, MgBr2, has a lattice energy, AHjattice, of -2406.0 kJ/mol and a heat of hydration, AHnydration, Of -2591.6 kJ/mol. Calculate the heat of solution, AHsolution, for magnesium bromide.

Match the following terms with their corresponding definitions: Accuracy How close the measured va v Precision The deviation of the measu [ Choose ] How close the measured value is from the true value The deviation of the measured value from the average of all measured values How close the measured value is to the other measured values

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5. This question has two parts a. and b. a. Assuming 100% yield, how much hexynyl lithium (in mmol) is produced from the reaction of LiHMDS with 1- hexyne? (mmol) b. Insert an image (.jpeg, png, .heic) showing all of your calculations for the moles of hexynyl lithium above. Note: Click on the image icon in the box below to upload/attach an image file. W

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AutoSave We hw OFF ... Home Insert Draw Design Layout References Mailings Review View O Tell me R Share O Comments Calibri (Bo.. v 11 v A A E vE v E v E E Aa v AaBbCcDdEe AaBbCcD AaBbCcDdE AaBb AaBbCcDdEe BIU V ab A • I v A v Paste х, х E= == No Spacing Normal Heading 1 Heading 2 Title Styles Pane Dictate Sensitivity C13 NMR Peaks Aldehydes RCO)R Aldehydes and ketones Carbaxylic R(CO)X Carbaxylic acid derivatives Ntrile Nitrile RCN CC C-C Alkyne Akyne R-CC-R RCH20 RCH2-O R4C RAC R3CH R3CH RCH2X X= C-C, C-O, Br, CI, N RCH2X R2CH2 RECH2 RCH3 RCH3 TMS TMS 220 200 180 160 140 120 100 80 60 40 20 Typical chemical shifts in 13c-NMR 9) Why do the peaks of associated with aldehydes (both in H NMR and C NMR) appear so much further downfield than other peaks? C13 NMR Peaks E Page 5 of 5 E English (United States) O Focus 295 words 白

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dy Exam in Progress Q Search Choose the correct reagents to complete the following synthesis problem. To preview image click here 1. Correct reagent(s) for Select 2. Correct reagent(s) for II Select] 3. Correct reagent(s) for III Select] S HINNOWS > % > 24 ** 1-

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