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- (2) A CHEM 215 student performed 5 measurements of the wt% of SO4²- of a solid power sample. The results are 8.75%, 8.85%, 8.89%, 8.71%, 8.64%. The standard deviation is 0.10%. What is the confidence interval for this student's experiment at 95% confidence level. The t values for 95% confidence for degree of freedom from 1 to 5 are 12.71, 4.303, 3.182, 2.776, 2.571, respectively. Show your work!JUST PROVIDE THE ANSWER PLS ASAP THANKS1FbhGb6cd_1-5c/IV_Ivqu J4002epq/z4kbhpYZSIA opy ✩✩ IS Extensions Help I text Calibri. 12 +BIU A d f5 A % 5 T f6 1 5 J 1. Why is it recommended to have a carbon monoxide detector on each floor of a home? Page 4: Water Pollution: Questions i M 6 2. What impact would the increased use of electric vehicles have on environmental damage caused by acid rain? Page 3: More Air Pollution Issues: Questions 4. The COVID-19 pandemic forced many people to work from home for extended periods. During these periods, many cities reported unusually low levels of smog. Suggest an explanation for this observation. 5. Explain how ozone can be both harmful and beneficial. 3. Why is ground level ozone most likely to reach its highest concentrations on hot, sunny days during periods of heavy traffic in large cities? f7 Y []») 3 6. India relies heavily on burning coal to generate electricity. How does India's reliance on coal contribute to the poor air quality experienced in many of India's major cities? & 7 18…
- 6 Collig Notes (1).pdf A ALEKS - Jeneen Abdelra X M Mathway Algebra Prol X G molar mass of zinc chi X Launch Meeting-Zoom x G 0.16kg to g-Google Se x + www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNsikr7j8P3jH-lix5uFZIvj2iEJjQd1WoxT77ErtzZpGbzESWMK5SbMzyGfsmkWQSq2n2qsprma6JcCeltVTwZDkOLh51 Rytx20V. =D O GASES, LIQUIDS, AND SOLIDS Using the Kf and Kb equations with electrolytes Jeneen V The normal bolling point of a certaln Ilquld X is 148.70 °C, but when 13. g of alanine (C,H,NO,) are dissolved In 250. g of X the solution boils at 149.5 °C İnstead. Use this information to calculate the molal boiling point elevation constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. dlo °C kg K, =[] x10 mol Explanation Check 2021 McGraw-Hill Education, All Rights Reserved. Terms of Use Privacy | Accessibility 5:48igorogen enerqy of J of on at 3465 m/s. The mass ot Cokulate the kinetic election moving on election %s 9.11 x 10-31 kg.Gb6cd_i-5c7IV_IVquz8U4UO2epq7z4kBnpYZ5iA/edit > 2 ons Help Calibri - - [12] + B 7 U . UA 2 3 ge 2: Problems of Water and Air Quality Questions 1. Why is it recommended to have a carbon monoxide detector on each floor of a home? Et © ª @ E- E 4-B-E- 2. What impact would the increased use of electric vehicles have on environmental damage caused by acid rain? 3. Why is ground level ozone most likely to reach its highest concentrations on hot, sunny days during periods of heavy traffic in large cities? Page 3: More Air Pollution Issues: Questions 4. The COVID-19 pandemic forced many people to work from home for extended periods. During these periods, many cities reported unusually low levels of smog. Suggest an explanation for this observation. Page 4: Water Pollution: Questions 5. Explain how ozone can be both harmful and beneficial. 6. India relies heavily on burning coal to generate electricity. How does India's reliance on coal contribute to the poor air quality experienced in many of…
- Given g(x, y, z)= e sin(-2x) cos(y), millimis memen VEM Ple Cre COMET The wor M Pa ex maThe velocity selector in the problem prior to this one is used in a mass spectrometer. Protons(with zero neutrons) are the most common hydrogen nuclei. Some hydrogen isotopes, however, haveeither one or two neutrons in addition to the proton. If a beam of hydrogen nuclei is shot into amagnetic eld of strength 2.0T and the nuclei do a u-turn after which they strike a detector, how farapart will the three isotopes be on the detector surface? Assume both protons and neutrons have amass of 1:67 10?27kg and e = 1:60 10?19C.Cont.oger str tur :O: 3D
