Determine the end (final) value of n in a hydrogen atom transition, if the electron starts in n=4 and the atom emits a photon of light with a wavelength of 486 nm.

Student Discipline Problems The data for a random sample of 32 months for the number of discipline problems that occurred each month at a large high school are shown. Find the 99% confidence interval for the mean when σ 3. Round your answers to one decimal place. = 13 19 10 11 14 25 16 27 22 29 23 29 28 17 17 22 28 26 29 20 22 18 14 215 16 27 17 14 17 110 11 20 19 22 Send data to Excel We are 99% confident that the mean is between 15.1 and 17.8 discipline problems per month.

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Chrome File Edit View History Bookmarks People Tab Window Help Hcc Dashbc x E Buy Es: x G find so x © Periodi x A ALEKS X HUc Chapte x E New m x G conver X 不→ C A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsIkr7j8P3jH-IQiHqRdYV_6Ux63SypJXz0Coxvwqgg4JkWI7FgD9QGpr.. O GASES O OC D Jacqueline v Using Avogadro's Law Hydrogen gas and nitrogen gas react to form ammonia gas. What volume of ammonia would be produced by this reaction if 7.5 m of nitrogen were consumed? Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits. 圖 中 ロ alo olo

Abdelra X M Mathway | Algebra Prol X G molar mass of zinc chl x Launch Meeting-Zoom x G 0.16kg to g-Google Se x+ www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lix5uFZIVj2iEJjQd1WoxT77ErtzZpGbzESWMk5SbMzyGfsmkwQSq2n2qsprma6JcCeltVTwZDkOLh51Rytx20V. O GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes Jeneen v A certain liquid X has a normal boiling point of 93.40°C and a boiling point elevation constant K=1.46 °C-kg mol . A solution is prepared by dissolving -1 9. some iron(III) nitrate (Fe(NO,)) in 550. g of X. This solution boils at 93.8 °C. Calculate the mass of Fe(NO,) that was dissolved. Be sure your answer is rounded to the correct number of significiant diglts. x10 Check Explanation 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility M9

Answer question number 7 on the attached document

Chrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q OE o Chem101 O General Chemistry I (LAB SCI) X + i app.101edu.co EApps MM Gmail YouTube 9 Maps A Translate https://www.carth. 9 Google Chrome isn't your default browser Set as default Question 7 of 7 Submit Using the equations 2 Sr(s) + O2 (g) → 2 Sro (s) AH° = -1184 kJ/mol CO2 (g) → C (s) + O2 (g) AH° = 394 kJ/mol kJ/mol Determine the enthalpy for the reaction C(s) + 2 SrO(s) → CO2 (g) + 2 Sr(s). 1 2 6 C 03.0 Se VHFORMA The MO -Standa 8 AH ma +/- x 100 8T國山電@ O etv Oct 24 MacBook Air 80 888 SC FS F6 F3 F2 %23 2$ & delete 3 5 8. W E R Y U H J к K ret F V M 4-

Conter Import favorites Conter + Cr³+ (aq) + 3 e Zn²+ (aq) + 2 e 13.1 CH Ak X 49°F Light rain 07 Detern https://app.101edu.co a Amazon.com - Onli... Home hp Booking.com After 3 Q Which QWrite a a Consid LastPass password... Q Search Cr(s) Eºred = -0.744 V → Zn(s) E°red = -0.763 V Consider a galvanic electrochemical cell constructed using Cr/Cr³+ and Zn/Zn²+ at 25 °C. The following half-reactions are provided for each metal: Compare Wrapsod... Time's Up! Given that the standard cell potential is 0.019 V and the overall equation is 2 Cr³+ (aq) + 3 Zn (s) → 2 Cr (s) + 3 Zn²+ (aq), what is the cell potential for this cell at 25°C when [Zn²+] = 0.0143 M and [Cr] 0.1556 M? W Q Cr³(aq Q hp TurboTax Deluxe 20... mylip Given t C Consid = Q 1 +/- 1 The University of Ve... a Consic b Answe C Consic + 2 LO 5 8 V 3 6 9 0 Other favorites Submit X C X 100 t May 4, 2023, 12:37 AM 12:37 A 5/4/20