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REPORT: Critical Analysis of the Environmental Impact of Chemical Processes
Identify a ‘human-made' chemical process (or series of processes) that has undergone changes in recent times to reduce its environmental impact. Critically examine and comment on the appropriateness of the changes. Suggest other alternatives and why they may not have been adopted.
Can you give some ideas how to start the report. or share some link regarding this question?
What each test reveals about an unknown halide ion? Suggest another test which would confirm that identity. 1.Addition of Cl2 and CH2Cl2 to an aqueous solution of an unknown halide ion led to a dark CH2Cl2 layer.
A sample containing 15ug of Scandium Sc-45 is irradiated to where 0.01% of the atoms have captured a neutron and become Sc-46. Half life 831d. Explain what is the activity of the sample upon removal from the reactor and 45 days later
450 L sample of a gaseous compound at 72.5 cm of hg pressure and at 1.00*10^2 has a mass of 1.86 g. what is the molecular weight of the compound
Calculate the moles of hydrogen gas produced by the reaction of 0.848 g of aluminum with hydrochloric acid Thanks
What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL
Explain how much of the Earth's surface would we want to cover with solar energy collectors to power the planet for utilize by all humans. Presume that the energy collectors can only convert 10% of the available sunlight into useful power.
Question- Calculate the zero point energy of a vibrating nitrogen molecule, assuming that its force constant is 2294 N/m
2Na + 2H2O → + H2 How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
A standardized weight obtain from the National Bureau of Standards has the value of 20.000g. While it was used to calibrate a student's top loading balance, the balance showed the following readings; 19.995, 20.005, 20.001.
A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. What is the pH of the analyte solution before any base is added to it
a certain first-order reaction is 66 percent complete in 65 seconds. Calculate the rate constant for this reaction
Assuming the octet rule is obeyed, how many covalent bonds will a nitrogen atom form to give a formal charge of zero
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