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[DOC File]Z-Score Practice Worksheet
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A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: A score that is 20 points above the mean.
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[DOC File]Molar Mass Percent Composition
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Title: Molar Mass Percent Composition Subject: Chemistry Author: Jeff Christopherson Last modified by: UNIT5 Created Date: 1/24/2004 11:21:00 PM Company
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[DOC File]The Percent Composition Worksheet
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Empirical and Molecular Formula Worksheet. Show ALL your work for credit! Identify the following as molecular formulas, empirical formulas or both. Ribose, C5H10O5, a sugar molecule in RNA. Ethyl butanoate, C6H12O2, a cmpd w/ the odor of pineapple. Chlorophyll, C55H72MgN4O5, part of photosynthesis. DEET, C12H17ON, an insect repellent.
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[DOC File]Empirical Formula WS
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Molecular Formula Worksheet. Write the molecular formulas of the following compounds: 1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. 2) A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. 3) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams ...
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[DOC File]Inverse Functions
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Not all exponential growths and decays are modeled in the natural base or by Actually, in everyday life most are constructed from empirical data and regression techniques. For example, in the business world the demand function for a product may be described by the formula . where is the price per unit and is the number of units produced.
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. CH2O = 12 + (2 x 1) + 16 = 30 g/mol. 90/30 = 3, so empirical formula x 3 + molecular formula =m so MF = C3H6O3 _____ Title: UNIT 3 – WORKSHEET 1: MOLE PROBLEMS Author: Fairfax County Public Schools Last modified by ...
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[DOC File]A-Level Chemistry - Home
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A hydrated salt is found to have the empirical formula CaN2H8O10. What is its dot formula? 3. A hydrated carbonate of an unknown Group 1 metal has the formula X2CO3.10H2O and is found to have a relative formula mass of 286. What is the Group 1 metal? 4. 11.25 g of hydrated copper sulphate, CuSO4.xH2O, is heated until it loses all of its water. ...
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[DOC File]TEST
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The empirical rule for normal distributions: 68% are within 1 standard deviation of the mean. 95% are within 2 standard deviations of the mean. 99.7% are within 3 standard deviations of the mean. Formula: Range: The difference from the largest to the smallest value in a set. Formula: Max - …
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[DOC File]Redox Balancing Worksheet
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Because this compound has the same empirical formula as Fe(OH)2, it is often mistakenly called iron(II), or ferrous, hydroxide. The FeO H2O formed in this reaction is further oxidized by O2 dissolved in water to give a hydrated form of iron(III), or ferric, oxide. 4 FeO H2O(s) + …
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[DOC File]Summer Assignment
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When doing calculations, you should use all the digits allowed by your calculator in all intermediate steps. Then in the final step, round off your answer to the appropriate number of “significant figures” such that only the last decimal place contains any uncertainty. You do this by following the rules:
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Empirical formula calculator pdf