Concept explainers
(a)
Interpretation: The environmental effects of use of cleaning cloths, mop heads and sponges should be compared with disposable products.
Concept Introduction: The waste hierarchy has 3 R’s namely: Reduce, Reuse and Recycle. It is important to create a sustainable life. The first component is Reduce which means one should reduce the use such materials that results the production of waste. If the use can not be reduced, it should be Reduce according to second component to decrease the waste product. The last component is Recycle, which means the generated waste product should be recycled to form new material.
(b)
Interpretation:The environmental effects of use of cloth diapers should be compared with disposal diapers.
Concept Introduction: The waste hierarchy has 3 R’s namely: Reduce, Reuse and Recycle. It is important to create a sustainable life. The first component is Reduce which means one should reduce the use such materials that results the production of waste. If the use cannot be reduced, it should be Reduce according to second component to decrease the waste product. The last component is Recycle, which means the generated waste product should be recycled to form new material.
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EBK CHEMISTRY FOR CHANGING TIMES
- 2) (4 pt) After the reaction was completed, the student collected the following data. Crude product data is the data collected after the reaction is finished, but before the product is purified. "Pure" product data is the data collected after attempted purification using recrystallization. Student B's data: Crude product data "Pure" product data after recrystallization Crude mass: 0.93 g grey solid Crude mp: 96-106 °C Crude % yield: Pure mass: 0.39 g white solid Pure mp: 111-113 °C Pure % yield: a) Calculate the crude and pure percent yields for the student's reaction. b) Summarize what is indicated by the crude and pure melting points.arrow_forwardDon't used hand raitingarrow_forwardDon't used hand raitingarrow_forward
- Don't used hand raitingarrow_forwardShown below is the major resonance structure for a molecule. Draw the second best resonance structure of the molecule. Include all non-zero formal charges. H. H. +N=C H H H Cl: Click and drag to start drawing a structure. : ? g B S olo Ar B Karrow_forwardDon't used hand raitingarrow_forward
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