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[DOC File]Mole Ratios of Precipitates
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Show one set of sample calculations for the lead II nitrate reactions and one set for the calcium nitrate reactions. All other calculations may be done on your calculator and recorded in Data Tables 1 and 2, above. Sample Calculations. Convert drops to moles, assuming that 1 drop = 0.10 mL
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[DOC File]Lead and Copper Results Worksheet
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Determine the 90th percentile Lead and Copper Levels: 1. List all of the samples in Table 1 below. 2. Circle the highest three values for both lead and copper. 3. Determine the 90th percentile lead level by following the instructions given in Table 2. Write down the 90th percentile level for Lead = …
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[DOCX File]The Lead and Copper Rule .gov
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The Lead and Copper Rule. The purpose of the lead and copper rule is to protect public health by minimizing lead and copper levels in drinking water. Because lead and copper in drinking water is mainly due to the corrosion of service lines and household plumbing, tap water samples are collected at kitchen or bathroom taps of residence and other ...
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[DOC File]SAMPLE ACTIVITIES USING THE VOLTAGE PROBE
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TI 84 Plus calculator with Easy Data application, EasyLink interface, voltage probe, lemon, potato, pre-1982 copper penny and zinc washer, (or copper and zinc strips), 2 alligator clamps, plastic knife with serrated edge or scalpel, paper towel. Voltage Probe. The red lead is positive; the black lead is negative.
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[DOCX File]LEAD AND COPPER RULE INITIAL MONITORING GUIDELINES
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190th Percentile Level = Concentration in the sample with sequence number yielded by 0.9 x number of samples. (Only 10% of the samples have higher lead or copper values) For 5 samples, 90th Percentile Level is the average of 4th and 5th highest samples.
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[DOC File]Forming and Naming Ionic Compounds
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Column 5: lead(II) iodide, copper(II) iodide, silver iodide. Column 6: lead(II) oxalate, strontium oxalate, silver oxalate. Name:_____ Pd.:_____ Title: Forming and Naming Ionic Compounds Author: HUNTER Last modified by: LCPS Created Date: 11/20/2013 12:57:00 PM Company: Home Computer Other titles ...
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[DOC File]Net Ionic Equation Worksheet Answers
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The reaction of potassium chloride and lead II nitrate. Molecular Equation: 2KCl (aq) + Pb(NO3)2 (aq) -> 2KNO3 (aq) + PbCl2 (s) Complete Ionic Equation: ... Copper II chloride and silver acetate. Molecular Equation: Complete Ionic Equation: Net Ionic Equation: Particulate drawing: Net Ionic Equation Worksheet – some of these are answers to ...
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[DOC File]Heat Calculations Worksheet
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Copper 205 4,726 0.387 Ethyl alcohol 109 879 2.45 Gold 64.5 1,578 0.129 Lead 24.7 858 0.128 Silver 88 2,300 0.233 Water (g) 334 2,260 2.06 Water (l) 334 2,260 4.18 Water (s) 334 2,260 2.02 Use the table to answer the following. 1 kcal = _____ cal = _____Cal = _____ joules. Name: Period: Date: ...
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[DOCX File]Lead-free Risk Assessment
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The only surface that is growing whiskers is the tin plated portion of the copper lead above the solder. The part and the assembly were considered to be clean. The whisker density on the lead was taken to be 69 whiskers/mm2. The whisker length distribution was taken to be lognormal with a µ = …
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[DOC File]Ohio EPA Home
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Lead and Copper Contaminants (units) Action Level (AL) Individual Results over the AL 90% of test levels were less than Violation Year Sampled Typical source of Contaminants Lead (ppb) 15 ppb ____ out of _____ samples were found to have lead levels in excess of the lead action level of 15 ppb. Copper (ppm) 1.3 ppm NA ____ out of ____ samples ...
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Lead and copper calculator