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How many grams of Cl2O7 contains 2.85 x 1021 molecules of Cl2O7 in it? Show work.
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- What is the mass, in grams, of 0.0331 mole magnesium iodide? SHOW WORK.Calculate the number of moles in each sample show work? a. 72.5g CCI4 b. 12.4g C12H22O11 c. 25.2 kg C2H2 d. 12.3 g dinitrogen monoxidehow many grams of hydrogen are contained in 2.50 x 10^23 molecules of ammonium phosphate show work
- 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 M9E DetaMath 6 Quiz Chemistry Spring Final x D A sample of helium gas has xG 391ml of gas with a tempera x G number of electrons on a tric + -> b cfbisd.instructure.com/courses/85698/quizzes/390093/take/questions/2865049 Q * e D GO D CFB A Pearson Realize 6 Dashboard @ Student Resources E Google Docs creat A google ciassroom O Nearpod Welcome- O Meeting is in progre O Reading list Balance the following reaction: Al + Fe203 → Al203 + Fe *remember to enter a 1 for coefficient is there is no change. US VO 3:53 esc @ #3 $ bac 3 4 7 8. 9. W e t y a d. f k80 grams of Potassium (K) was put in 3000 ml of water. They underwent a violent reaction and produced hydrogen gas which was allowed to mix with 20 g of air. Find the average molecular weight of that mixed gas stream. [Ref: 16O, 14N, 39K, 1H]
- Previous Page 6 of 16 Next O References Use the References to access important values if need According to the following reaction, how many grams of oxygen gas are required for the complete reaction of 25.2 grams of ammonia? ammonia (g) + oxygen (g) nitrogen monoxide (g) + water (g) grams oxygen gas Cengage Learning | Cengage Technical Supportock MISSED THIS? Read Section 6.6 (Pages 228-235); Watch KCV 6.6, IWE 6.10 A gas mixture contains 1.29 g N₂ and 0.76 g O₂ in a 1.64-L container at 15 °C. esc Mother to Son &....pdf ! 1 ĐỘ F1 Q A N @ 2 * 38 F2 W S #3 80 F3 E D $ 4 X C Q F4 Part C Calculate the partial pressure of N₂. Express your answer using two significant figures. P₁ = Submit Part D R P₂ = Calculate the partial pressure of O2. Express your answer using two significant figures. Submit F [ΨΕΙ ΑΣΦ % 5 Request Answer [5] ΑΣΦ Request Answer ļ F5 T V 1 6 MacBook Air G → F6 & 7 H F7 ? - ? BN atm atm * 8 31 DII F8 ( 9 F K M1. Hydrogen peroxide is decomposed in a lab and the produced O2 (g) is collected over water at 15.0 °C. Molar masses: H2O2 = 34.02 g/mol, H2O = 18.02 g/mol, O2 = 32.00 g/mol. 2H2O2 (l) --> 2H2O (l) + O2(g) a) Calculate the moles of O2 (g) collected if the total pressure of the gas is 780. mmHg and the volume of gas is 0.4000 L. Assume all gases are ideal. b) What volume of pure hydrogen peroxide (density = 1.530 g/mL) decomposed? Assume that the decomposition reaction is complete. If you were unable to answer part (a), assume that 1 mol of O2 (g) was collected. c) If the collected gas (H2O (g) + O2 (g)) is transferred into a rubber balloon (which contains tiny pores), which gas will effuse out more quickly? Briefly explain (in about 1 sentence) why your answer makes physical sense. You can ignore the difference in partial pressures for this problem.
- 17. A fuel mixture used in the early days of rocketry consisted of two liquids, hydrazine (N2H4) and dinitrogen tetraoxide (N2O4), which ignite on contact to form nitrogen gas and water vapor. How much in grams of the excess reagent is used up when 435.0 g of N2H4 and 718.5 g of N2O4 are mixed? (, MW: N204 = 92.011g/mol, N2H4 = 32.05g/mol, N2 =28.013 g/mol 2N2H4(0) + N2O40) –> 3N2(9) + 4H2O(g)Determine the Kinetic energy of 1 mole oxygen at 250 K. (R = 8.314 J/K.mol). (20 pts)X 1. DME, heat 2. LIAIH4, THF 3. dilute HCI, H₂O i 4. Cl3C H₂SO4 (cat.)