Introduction The economic benefits of using untreated and treated crop residues as feed for ruminants mainly depends on the source and cost of crop residues‚ cost of treatment‚ cost of urea or other ammonia source‚ on the price of protein supplements‚ as well as on agricultural production and technical levels and other factors. In relation to the potential of crop residue use‚ countries can be divided into four types: Type 1 are developing countries and regions with a high population density
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100 nor it would be less than 0.01. Copper-Ammonia Equilibrium 6. At the beginning of the reaction between Cu2+ and NH3(when only a few drops of ammonia have been added): g. What is the color of the precipitate formed? h. What is the identity of the precipitate formed? i. Explain how this precipitate formed. Provide the net ionic equation. 7. When the precipitate has dissolved upon addition of more ammonia‚ what is the color of the solution? What copper complex
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Name____________________ Comparing Rates of Evaporation Several factors determine how fast a sample of liquid will evaporate. The volume of the sample is a key factor. A drop of water takes less time to evaporate than a liter of water. The amount of energy supplied to the sample is another factor. In this lab‚ you will investigate how the type of liquid and temperature affect the rate of evaporation. Problem: How do intermolecular forces affect the evaporation rates of liquids? Pre-Lab:
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precipitate forms that does not dissolve as more ammonia solution is added it could mean the cation could be Aluminium‚ Lead (II) or Magnesium. This therefore means that further tests would need to be carried out in order to identify the aluminium. Following the Cation tests we found that sample C was copper as the addition of dilute sodium hydroxide solution formed a pale blue precipitate which didn’t dissolve as more sodium hydroxide was added. Ammonia solution was then added to the compound and the
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uranium (VI) fluoride (UF6) at 70⁰C and 25.0kPa. [3.09 g/L] 3. An unknown monoatomic gas X has a density of 5.37g/L at 25⁰C and 101.3kPa. Calculate the molar mass of the gas and determine its identity. [ 131.028g/mol; Xe] 4. Calculate the density of ammonia gas in grams per litre at 18⁰C and 100.4kPa. [0.706g/L] SCH3U0 Gases and Atmospheric Chemistry LESSON 3: MOLAR VOLUME QUESTIONS 1. Calculate the density of the least dense gas‚ hydrogen‚ at 25⁰C and 101.3kPa. [0.083g/L] 2. Calculate the density
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Chemical Equilibrium ------------------------------------------------- ------------------------------------------------- RESULTS AND DISCUSSION A. Iron-Silver Equilibrium In studying equilibrium between iron and silver‚ 0.10 M FeSO4 and 0.10 M AgNO3 were used. The balanced equation for the reaction is: FeSO4 (aq) + 2 AgNO3 (aq) ↔ Fe(NO3)2 (aq) + Ag2SO4 (s) It has a net equation of: Fe2+(aq) + Ag+(aq) ↔ Fe3+(aq) + Ag(s) This part of the experiment
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180’F. At this point‚ the product is separated into lean meat filler and tallow oil. The tallow is used in such products as lipstick. The next step in the process is to inject a safe level of ammonia hydroxide gas into the meat to kill of any food borne pathogens like salmonella and e.coli. By using ammonia hydroxide gas‚ this limits and prohibits the growth of bacteria. The product is then sent to the roller press freeze. Where the product is frozen at -30’F into a thin sheet. This step of the process
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When you carefully added ammonia to your solutions containing copper‚ a light-blue precipitate formed initially that eventually disappeared as more ammonia was added. What do you think this precipitate was? Write an equation. The ammonia molecules attach slowly‚ and in between each attachment‚ there is a chemical equilibrium. The more ammonia is added‚ the more complex is formed‚ as the equilibrium is pushed to the product side. The
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BIOENERGETICS ENERGY FLOW AND NUTRIENT CYCLING Ecosystem • It is an area which is self contained and life supporting. • It contains biotic (including plant‚ animal and microorganisms) and abiotic or physical factors (including nutrient cycling). • Examples include: coral reefs‚ deserts‚ savannahs and rain forests. • Several habitats and the communities associated with them make up an ecosystem. http://www.bloggersbase.com/images/uplo aded/original/c622477c9e5a5d2040c71563 31f799b10498611d.jpeg
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fluid (from a separate DEF tank) is injected into the exhaust pipeline‚ the aqueous urea vaporizes and decomposes to form ammonia and carbon dioxide. Within the SCR catalyst‚ the NOx are catalytically reduced by the ammonia (NH3) into water and nitrogen (N2)‚ which are both harmless; and
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