Reactants Products -469.15 +-486.34 -215-73-726-13 NaOH +CH3COOH →→→→NaCH₂CoO + H₂O* AH° (-1011-96)-(-955-49) |4H⁰ = -56-47 kJ/mol theoretical value. Calculate the AH, Given: Specific Heat: 4-18 Jg ¹k¹ Density: 1 gmL-' qrxn = qsurr : qsurr= 2.2588 kJ CH₂COOH Limiting reagent: V total = 100ML t₁ T2 = 230 с 27°C B 0.04 mol

Reactants Products -469.15 +-486.34 -215-73-726-13 NaOH +CH3COOH →→→→NaCH₂CoO + H₂O* AH° (-1011-96)-(-955-49) |4H⁰ = -56-47 kJ/mol theoretical value. Calculate the AH, Given: Specific Heat: 4-18 Jg ¹k¹ Density: 1 gmL-' qrxn = qsurr : qsurr= 2.2588 kJ CH₂COOH Limiting reagent: V total = 100ML t₁ T2 = 230 с 27°C B 0.04 mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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(Application) Bananas Foster is an example of a dessert that is flambéed. A Bananas Foster label states the accepted number of Calories to be only 300 calories, but a calorimetry experiment measured there to be 318 calories. Calculate the percent error. Percent Error_ [Experimental Value – Theoretical Value| Formula |Theoretical Value| x 100 4% 5% 6% O 7% 1 2 Next
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Question 36 What is could be the calculated lambda max of this compound? 285 323 O 315 270
View History Bookmarks Develop Window Help A east.cengagenow.com [References) 1 pt EXERCISE Unit Conversion 1 pt Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left empty. Click on a unit to remove it from its position. 1 pt 1 cm³ Cu 9 g Cu 9.5 x 1021 atoms Cu 1 g Cu 1 pt 1 kg 1000 g 1 cm = 1 mL 1 pt 1 L 1000 cm3 1 pt 1 pt 520 L x 1 pt 1 pt 1 pt A piece of copper has a volume 520 L. What is the mass of the sample, in units of grams? In the boxes above, enter the correct setup that would be used to solve this problem. 1 pt 1 pt Check Next (2 of 3) 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining 1 pt
pH = 2.02 Express your answer using two significant figures. [OH-] = Submit VO ΑΣΦ t e Previous Answers Request Answer D ? M
A compound contains only Mn and F. The ratio of Mn and F is 2.54 moles of F per 1 mole of Mn. If the empirical formula is expressed at Mnfx, what is the numerial value of x?
QUESTION 3 In regression, the notation for our estimated slope is O B1, BO O PO, B1 O bo, b1 O b1, bo and the estimated y-intercept is
_____ In the expression of the chemical formula 2Al Cl3, the 2 is a coefficient and the 3 is a subscript. Group of answer choices True False
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
2. When making the calibration curve in Part 1 of the experiment, it was assumed that the reaction mixture went to completion. That is, you assumed that [SCN] = [FeNCS2+]eq when the [Fe3+]o was in large excess. Using your average Keq (Part 2), calculate the equilibrium concentrations of each species in the last mixture (2mL Fe3+ and 225μL SCN-) of Part 1. a. [Fe3+]eq (M) b. [SCN]eq (M) c. [FeNCS²+]eq (M)