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Question 1:
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
Question 2:
For the 2 organic preservatives, cresol and pentachlorophenol, and assuming that they are present in the wood, what happens when the wood is combusted? What are the combustion by-products of cresol and pentachlorophenol? Are they actually oxidized and destroyed?
Question 3:
Similar to Question 2, if cresol and pentachlorophenol are actually emitted to the ambient air as vapor, what role does photolysis play in the decomp of these organics? Do these complex phenol compounds favor oxidation or reduction reactions? What are the decomposition products when photolysis or oxidation occurs?
Question 4:
With respect to chromated copper arsenate, the arsenate has the formula AsO4(-3). Is there a way to render the arsenate ion less harmful? Can oxidation or reduction occur to change the nature of the arsenate ion?
Question 5:
What is meant by glycolysis?
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
Find out the Celsius temperature of 2.49 mol of gas contained in a 1.00 L vessel at 1.8 atm pressure.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Determine the mass of Al is needed to combine with 3.077 kilo grams of Ammonium per chlorate NH 4 ClO 4 for this reaction? express your answer in units of g
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate (NaNO 3 ) and calcium phosphate?
Calculate the reaction quotient Qc and find out at which temperature and
State the conditions under which all derivatives of benzene like chlorobenzene, benzoyl chloride and chlorophenyl methane would react with sodium hydroxide.
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
A student has invented a new temperature scale, the Zuban scale ,In common with the Celsius, Kelvin and Fahrenheit scales, it is a linear scale.
How many grams of Au are there in the whole ocean? With a 60% recovery possible, how many liters of seawater must be processed for gold to obtain 1 kg of that metal?
Compute the solubility of silver sulfite, Ag 2 SO 3 in units of grams per liter and complete and balance these given redox equations by the half reactions method (the oxidation reaction and the reduction reaction)
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