SCI 100 Module Five Activity Template

Find one pertinent analytical procedure for each of following questions relating to food safety analysis. Question 1: The presence of lead, mercury and cadmium in canned tuna Question 2: Correct use of food labelling

Concentrated sulphuric acid is used in this experiment to O help the crystal growth of acetylsalicylic acid speed up the reaction of aspirin synthesis increase the activation energy O avoid impurities getting trapped into the aspirin crystals P Type here to search

Define each of the followings: (1) environmental science, (2) Environmental Chemistry, (3)Lithosphere, (4) Biosphere, (4) environmental biochemistry, (5) toxicological chemistry, (6) Ecology .

What is green chemistry? Choose the BEST answer. O Chemistry that uses only recycled chemicals. O Chemistry that makes something green in color. O Chemistry that comes from plants or uses plant materials. O Chemistry that uses non-toxic, non-harmful chemicals.

Which branch of chemistry would be the most relevant to a learner that plans on becoming a nutritionist? A physical chemistry B C D biochemistry inorganic chemistry nuclear chemistry

The Covid-19 pandemic has many experts commenting on the science associated with the virus - origins, vaccines, monoclonal antibodies, masks, social distancing.  It is important to consider what the experts say, but to also evaluate their statements.  We will start with the scientific method.  I want you to outline the scientific method from what you have been taught in previous classes.  You can list steps, parts, process, short descriptions, whatever.  If not taught in previous classes, then you will make your best guess about it.

You work in a research organization that is looking for markers of various diseases that can be used as a diagnostic for the disease. It has been reported in the past that high levels of Cu are found in the sweat of people with cystic fibrosis. One of the research projects is focused on looking for high levels of Cu in samples that can be obtained non-invasively such as saliva, sweat, hair, nails, etc. The lab will analyze large samples for Cu. What instrument would you recommend purchasing to support this work, Atomic absorption spectrophotometer or an inductively coupled plasma atomic spectrophotometer? Explain the basis for your decision.

What is the difference between single use, limited use and reusable chemical protective garments?

What chemicals do you think are most harmful to your own health? How are you exposed? How could you go about determining whether or not each of these chemicals was harmful to you?

Question 20 of 26 > While driving your rental car on your vacation in Europe, you find that you are getting 13.4 km/L of gasoline. What does this value correspond to in miles per gallon? 13.4 km/L = mi gal about us privacy policy terms of use contact us help careers DD F12 F11

Which of the following is not one of the 12 principles associated with green chemistry? O real-time analysis for pollution prevention O design of safer chemicals use of renewable feedstocks O prevention of waste O promotion of flammable reagent use

Choose any class of biological molecule and describe a disease or condition that is related to a problem with your body using that molecule.

Chemicals usually have both physical and health hazard. Identify the following if it b hazard. Health Hazard Mutagen Physical Hazard Barbeque have this benzo (a] pyrene that can cause cancer Physical Hazard Fire Toxins Physical Hazard Chemical burn Physical Hazard Explosives Large amount of smoke being inhaled Physical Hazard Spill of caustic soda in your skin Physical Hazard Health Hazerd Dlog

Milk samples Dairy inspectors visit farms unannouncedand take samples of the milk to test for contamination. If the milk is found to contain dirt, antibiotics, or otherforeign matter, the milk will be destroyed and the farmreinspected until purity is restored. Would simple random sampling be appropriate for select-ing farms for inspection? If so, explain how it would be done. If not, explain why it is not appropriate.

I'm taking a practice test and I'm having some trouble and was hoping you could help.  This is not graded I just need help See attached: