Investigation 7: How Can The Waste Be Made Useful? February 20, 2014 Mian Yang Tuesday 8:30am Group #6 Steven Hengen, Joe Wahl, Colleen Strom, Nicole D Introduction: Chemical interactions can often lead to the production of environmentally unsafe byproducts. If the byproducts have no use, they are disposed as waste. Waste disposal companies make profit by collecting and disposing large amounts of these unused byproducts. These companies often concentrate the byproduct solutions so that they are easier to dispose of. One particular chemical waste disposal company wishes to utilize these concentrated byproduct solutions to create potentially useful solids (Bauer 45). It was the lab group’s goal to design procedures for creating …show more content…
Many ionic compounds can be separated from an aqueous solution in solid form using evaporation and centrifugation techniques. Evaporation results in separation by phase, as a liquid is vaporized, and centrifugation results in separation by weight. Evaporation was used to isolate the insoluble compound sodium sulfate as a solid. Centrifugation was used to isolate the soluble compounds silver chloride, barium sulfate, and zinc hydroxide as solids. To
2. For your second relationship, identify the independent and dependent variables and describe the attributes of each.
| The business itself does not retain any profits. 100% of profits remain with the owner and is considered personal income.
Our conceptualization of inclusive pedagogy focuses on how to extend what is ordinarily available in the community of the classroom as a way of reducing the need to mark some learners as different. This is underpinned by a shift in pedagogical thinking from an approach that works for most learners existing alongside something ‘additional’ or ‘different’ for those (some) who experience difficulties, towards one that involves providing rich learning opportunities that are sufficiently made available for everyone, so that all learners are able to participate in classroom life.
1) Write the following as an algebraic expression using x as the variable: Twelve less than six times a number
Marcovitch, S. G., Gold, A., Washington, J., Wasson, C., Krekewich, K., & Handley-Derry, M. (1997).
During the first session it is important to ensure that the practitioner can provide the client with
Q4: What are the 5 of authentications available? List them form least secure to most secure, while designing SQL Server’s Object level security? You are also required to fill in the classification field in the following table based on the security topology of Active directory running on a SQL server.
Overflow occurs when the two numbers of similar signs are added together and a result with an opposite sign is produced.
It depends on the frequency in which you need to maintain email lists. If you need to verify your email lists on a regular basis, then you should purchase a monthly subscription. In case you have only one email list and would like to pay for it once, then we recommend purchasing a "Pay As You Go" package. > Only in limited cases. If your children are under 21 years old and unmarried, they’re eligible for burial. That coverage extends to 23 if they’re a full-time student. Moreover, children of veterans are eligible at any age if they’re physically or mentally disabled, rendering them incapable of self-support.
Offer- This is defined as a clear manifestation of willingness to enter an agreement made by another person with full understanding that their assent to the bargain is an invitation and is concluded.
Two wastes that resulted from this production were coal tar and purified waste. Coal tar was a formation of less volatile chemical compounds. Coal tar’s sole purpose was for roofing and road building material. Scientists taking coal tar as a starting point developed other uses. Manufactured gas plants were creating more coal than they could find buyers for and eventually formed an emulsion with water. The tar produced spills and leaks over decades of operation. Chemicals found in coal tar were anthracene, fluorene, napthalene, pyrene and many others (dec.ny.gov). Sulfur and cyanide compounds that were being removed through purifier beds consisting of lime or wood chips formed purifier waste. Reactions took place between the gas and purifier material corroding gas pipes, stoves and lighting fixtures. Purifier beds would eventually fill up with tar and become unusable. Having to dispose of the material, the waste had a strong odor and the wood chips would ignite if left uncovered. The purifier waste would either be shipped to landfills or fill low-lying areas on premises. The cyanide compound found in purifier waste contaminated groundwater away from the burial location. The water that became affected was highly acidic and caused harm to fish and
Conflict is part of our human disposition; consequently, it is customary within organizations. “Left unanalyzed and unchecked, it can be a destructive force that consumes time, money and human resources. Learning the various ways that people resolve conflict and expanding their conflict resolution styles can lead to better results” (Sadri, 2012). Within organizations employees have personal beliefs, styles and attitudes, and backgrounds that at times can cause disagreements, inconsistencies and ultimately, conflict. It is the intent of this paper to examine the archetype of conflict as an
An unknown material can be determined by using simple chemical tests and separations which is called as inorganic qualitative analysis. The separation of cations depends on the difference in their propensity to form precipitates. Separation scheme is used to classify cation into five groups on the basis of their physical and chemical behavior opposed to some reagents. Classification is based on whether there is formation of precipitates or not when metal cations react with the reagent. The five groups of cations and the characteristics of these groups are as follows:
Congress passed The Solid Waste Disposal Act in 1965. The Agency of Environmental Safety considered this Act as the primary effort made by federal authority for efficient waste clearance technology. This act controls the dumping material; manage storage and management of solid, both and non-precarious and precarious wastage. It highlights the processes that are environmentally liable to dispose waste at the commercial, municipal, industrial and household levels (Tchobanoglous & Vergara, 2010). This was considered as primary initiative of a chain of systems focusing on resource management and air cleaning (Gerlak, 2005). There have been several major adjustments made to the Act with the reference to Resource Recovery and Conservation Act (1976). The involvement of federal
The waste materials locally available are efficiently deployed to improve the functioning of the rural-based industries. Civil Engineers are always in search of waste materials that can be used as a blending component in cements to improve its quality and to reduce the cost. Several investigations have been carried out to utilize waste material in construction. Apart from getting rid of these materials, their use in construction protects the environment from contamination. Industrial and agricultural wastes are used for the production of low cost building materials. Agro-industrial wastes such as tobacco waste, non-edible oil cake and hyacinth have been used successfully for installing bio-gas plants. Agricultural residues such as bagasse, rice husk and rice straw are utilized in the production of light weight clay bricks. Industrial wastes such as blast furnace slag, fertilizer wastes, fly ash, silica fumes and incinerators