Chemistry practice problems worksheet
[DOC File]Practice Worksheet for Significant Figures
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Practice Worksheet for Significant Figures. 1. State the number of significant digits in each measurement. 1) 2804 m 4 2) 2.84 km 3 3) 5.029 m 4 4) 0.003068 m 4 …
[DOC File]Significant Figures Practice Worksheet
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Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant
[DOC File]Equilibrium Practice Problems: using equilibrium constants ...
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Chapter 14 Worksheet 1 (ws14.1) Chemical Equilibrium, the Equilibrium Constant (Keq), and the Reaction Quotient (Q) As a reaction proceeds in a . closed system, the concentrations of reactants and products change until, at . equilibrium ... Equilibrium Practice Problems…
[DOC File]BALANCING CHEMICAL EQUATIONS - PRACTICE SHEET # 2
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CHEMISTRY - CHAPTER 3: EQUATIONS. 20 5 ch3 chemical reactions. 12/12/2006. Title: BALANCING CHEMICAL EQUATIONS - PRACTICE SHEET # 2 Author: rdhs Last modified by: DUNPHYM Created Date: 11/13/2006 3:02:00 PM Other titles: BALANCING CHEMICAL EQUATIONS - PRACTICE …
[DOC File]Lewis Structures Practice Worksheet
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Guided practice problems: carbon monoxide . CH2O. Lewis Structures Practice Worksheet 1 ... Noble gas compounds are very uncommon (except on general chemistry tests!) Should you encounter one, each noble gas atom has 8 valence electrons. ... Lewis Structures Practice Worksheet 2. Draw the best Lewis structures for the following molecules or ions:
[DOC File]LIMITING REACTANT & % YIELD PRACTICE WORKSHEET
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Limiting Reactant Practice. All of the questions on this worksheet involve the following reaction: When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed. 1) Write the balanced equation for the reaction given above:
[DOC File]Nuclear Chemistry Notes and Worksheet
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Another way to work problems: # of half-lives = time elapsed X ratio for half-life # of half-lives = 57.2 days X 1 half-life = 4 half-lives. 14.3 days So now we know the answer will be: 4mg X ½ X ½ X ½ X ½ = 0.25mg. Practice: 1. The half-life of polonium-210 is 138.4 days.
[DOC File]Worksheet for Basic Stoichiometry
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Worksheet for Basic Stoichiometry. Part 1: Mole ←→ Mass Conversions. Convert the following number of moles of chemical into its corresponding mass in grams. 1. 0.436 moles of ammonium chloride. 2. 2.360 moles of lead (II) oxide. 3. 0.031 moles of aluminum iodide. 4. 1.077 moles of magnesium phosphate. 5. 0.50 moles of calcium nitrate
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