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- nHMAC%3Def41415d9158412623399163083b2ede#10001 Spr. 2021 8 Gu HI, Leira v Sign Out Item 4 I Review | Constants | Periodic Table Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this will require a total of 2250 kcal of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 g of carbohydrates, 10 g of fat, and 40 g of protein. Part A How many nutrition bars should Alexandra pack? Express the number of bars numerically. > View Available Hint(s) ν ΑΣφ bars Submit Previous Answers 0V 12:3320 draps I drop=to miso,08ML = i mi Mores H,U- MasSS a,77 x103 MMall 18,02 x2.77x103) =|.67 X1021 If this drop of water was stretched so that the individual molecules would line up end-to-end, how long (in miles) would that line be? (1 molecule of H,O = 2 x 10-10 m, 1 km = 6.2 x 10 mile) A metal (M) forms a compound with the formula Ml4. The compound contains 71.00% I by mass. Ider the metal in the compound by name. .1-4126.9o x Loo 71:507.l6 2071x=507.6-3te0.394 0,71A OH E CN B F NH₂ } с XOXX H hy D en H
- 1LDA 2) 10. Br OH GMH,SO,/A NH2 11. NH2 12.osjQib5plVDqEPgxo?. O GASES Solving for a gaseous reactant Jacqueline v The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a famous experiment in 1775. In this experiment Lavoisier found that mercury(II) oxide, when heated, decomposed into liquid mercury and an invisible and previously unknown substance: oxygen gas. 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of solid mercury(II) oxide (HgO) into liquid mercury and gaseous dioxygen. 2. Suppose 25.0 mL of dioxygen gas are produced by this reaction, at a temperature of 70.0 °C and pressure of exactly 1 atm. Calculate the mass of mercury(II) oxide that must have reacted. Round your answer to 3 significant digits. Explanation Check O 2021 McGraw-Hill Education All Rights Resenved Terms of Uss Privacy Accessibility MacBook Air IIIa Assume that mitochondria are cylinders 8.00 um in length and 0.800 pm in diameter. What is the volume of a single mitochondrion? The volume of a cylinder is given by the expression: V = n x y2 x h Volume= m
- Wate is the Normality of hydrochloric acid contains 37.4 grams of HCl gas in one liter of its solution? At wt H=1.007 Cl=35.5 *LU eFu X NCF X NCH X ь Му х Oef X n Oef x LU Oef x LU Oef x U Oef x n Oef x A 202 x LU Oef x A Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 21: Mark the reactions in Figure 21 that will produce an alcohol as the main organic product. * A В C Figure 21 CH3 H* A CH3-CH-CH=CH2 + H20 Br H20 Actions 1 LIAIH4 C CH3-CH2-C - OH 2 H* 09:07 P Type here to search 25°C Sunny 2021/11/19 O O O* Intranet - CSUM 101 Chem101 O Post Attendee - Zoom b My Questions | bartleby A app.101edu.co Bders Question 4 of 5 Submit advuuned wo,wth yor ameo e Leturelow in 20min teratof it If molecules of hydrogen, nitrogen, oxygen and chlorine have the same kinetic energy which molecule will be moving the fastest? A) hydrogen B) nitrogen C) охудen D) chlorine E) All molecules will have the same speed. 8:13 AM O Type here to search 11 10/20/2020 ...