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We all face potential hazards in our workplaces and in our homes. Ideally we can eliminate or control many of these; however, if and when they occur, a Risk Assessment Plan is our best defense. To understand the preparation and use of such a plan, consider your past or present workplace or your home.
Writing the Paper
How can you tell that Cobalt(II) iodide is a binary ionic compound formed by a transition metal with more than one ionic charge?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
A student is given a soluble sodium salt containing one of eight possible anions (negative ions): acetate, chloride, bromide, iodide, sulfide, sulfate, or phosphate. the student adds some BaCl2 solution to the salt solution.
Liquid sodium is being considered as an engine coolant. How many grams liquid sodium (minimum) are needed to absorb 9.20 MJ of energy (in form of heat) if the temperature of the sodium is not to increase by more than 10.0'C?
In the preparation of t-amyl chloride from t-amyl alcohol via a unimolecular nucleophilic substitution reaction. An impurity, an alkene specifically, forms in the reaction. How does this alkene form? Please illustrate with ideally a computer-aided..
Estimate the mass of water that must evaporate from the skin to cool a body by 0.10, if the mass of the body is 91 and its heat capacity is 4.0 . (Assume that the heat transfer is 100 efficient.)
If a weak acid solution, HA is 0.3M and ionizes 1%, what will be the concentrations of [HA], [H3O+],and [A-] at equilibrium
the first order reaction a ---gt products has a half life of 46.2 minutes at 25c and 2.6 minutes at 102 c. calculate
a railroad car derails and spills 36 tons of concentrated sulfuricacid. the acid is 98.0 mass h2so4 and has a density
2Fe(s) + O2(g) => 2FeO(s) ?H = -544.0 kJ 4Fe(s) + 3O2(g) => 2Fe2O3(s) ?H = -1648.4 kJ Fe3O4(s) => 3Fe(s) + 2O2(g) ?H = +1118.4 kJ Given the data above, determine the heat of reaction, ?H, for the reaction below: Reaction: Fe2O3(s) + FeO(s) => Fe3O..
Acetylene gas (C2H2) used in welding, produces an extremely hot ?ame when it burns in pure oxygen according to the reaction 2 C2H2(g)+5 O2(g) -→ 4 CO2(g)+2 H2O(g)
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
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