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Visualizing ConceptsAn element X reacts with F2(g) to form

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 6E Chapter 7

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 6E

Problem 6E

Visualizing Concepts

An element X reacts with F2(g) to form the molecular product shown here. (a) Write a balanced equation for this reaction (do not worry about the phases for X and the product). (b) Do you think that X is a metal or nonmetal? Explain.[Section]

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Chapter 11: Flexible Budgeting and Analysis of Overhead Costs We use flexible budgets because static budgets don’t give enough information. Flexible Budgets  Central Concept o If you can tell me what your activity was for the period, I will tell you what your costs and revenue should have been.  Advantages: o Show revenues and expenses that should have occurred at the actual level of activity. o May be prepared for any activity level in the relevant range. o Reveal variances due to good cost control or lack of. o Improve performance evaluation.  There is no flex in the fixed costs, variable costs have a standard cost and changes by amount of hours. (Budgeted variable overhead cost per unit * Total Activity Units) + Budgeted fixed overhead cost Total Budgeted Overhead Cost  Flexible budget is prepared for the same activity level as actually achieved.  Spending Variance – results from paying more or less than expected for overhead items and from excessive usage of overhead items.  Efficiency Variance – a function of the selected cost driver – does not reflect overhead control.  Budget Variance – results from paying more or less than expected for fixed overhead items. Formulas: Variable Overhead Variances: AH = Actual Hours of Activity AR = Actual Variable Overhead Rate SVR = Standard Variable Overhead Rate SH = Standard Hours Allowed 1. Actual Variable Overhead Incurred = AH * AR 2. Flexible Budget for Variable Overhead at Actual Hours = AH * SVR 3. Flexible Budget for Variable Overhead at Standard Hours = SH * SVR 4. Spending Variance = #1 above - #2 above = AH*(AR – SVR) 5. Efficiency Variance = #2 above - #3 above = SVR*(AH-SH) Fixed Overhead Variances: PFOHR = Predetermined Fixed Overhead Rate SH = Standard Hours Allowed 1. PFOHR = Budgeted Fixed Overhead / Planned Activity in Hours 2. Fixed Overhead Applied = SH * PFOHR 3. Budget Variance = Actual Fixed Overhead Incurred – Fixed Overhead Budget 4. Volume Variance = Fixed Overhead Budget – Fixed Overhead Applied (SH * PFOHR)

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Chapter 7, Problem 6E is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Visualizing ConceptsAn element X reacts with F2(g) to form