Pigment Proposal 1 v4

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.

Is number 11 a true or false statement and why? this is a non graded practice worksheet

HDPE and PS are both inert to bases and acids, which plastic would you rather chose to put 1 Liter of 6M HCl for general chemistry lab? Explain why.

if you could please help! i submitted this previously and was told that it looks incomplete. the questions are complete and there is no additional information to upload with the questions. again there are 6 questions and i have done a majority of them. i really just need help with question 2 and 3, however, if you could look at my answers for the questions i did and tell me if they are correct i will gladly rate you! thank you so much. I apologize if it is small, i made the font smaller to fit everything on one picture

For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides) & please write in detail each slide and explain them Provides notes to write on index cards please DON'T FOGET: first slide should outline (summarize) the whole presentation and the last slide should have the bibliography please please try to answer everything as fast as possible please its super super important and urgent i really need it Please please please answer I really need you to answer this please I'm begging Just try your best to answer please

A bubble of air escaping from a diver’s mask rises from a depth of 124 ft to the surface where the pressure is 1.00 atm. Initially, the bubble has a volume of 10.0 mL. Assuming none of the air dissolves in the water, how many times larger is the bubble just as it reaches the surface? Use this data:1. The density of seawater is approximately 1.025 g mL-12. The density of mercury is 13.6 g mL-1   Answer: ____times larger

concept that seemed difficult to you at first, but then after working on the concept, you were able to master it. Include a description of what made the concept difficult at first, and then discuss what you did in order to better understand the concept. If you are not familiar with The Onion, it's a satirical newspaper. That "NSF: Science Hard" article pictured above came out while one of my colleagues was in college. She said that it made her laugh so hard because she was in the middle of a very hard time analyzing data. But, She made it through. And you can make it through this course!

Please answer fast it’s very important and urgent I say very urgent so please answer super super fast please For the image attached For 1. a Mass of metal: Trial 1 is 35.0228 g Trial 2 is 35.0915 g Trial 3 is 34.0821 g Mass of water: Trial 1 is 20.0177 g Trial 2 is 20.0250 g Trial 3 is 20.0168 g For delta t of water: Trial 1 is 15.5 C Trial 2 is 15.7 C Trial 3 is 15.1 C For delta t of metal Trial 1 is 80.1 C Trial 2 is 80.2 C Trial 3 is 79.5 C For B my calculated Specific heat is: Trial 1 is 0.462 Trial 2 is 0.467 Trial 3 is 0.466

The goal is to convince an investor to invest in your company so that you can build a factory to make ester compounds. For example, you could make hexyl pentanoate, and sell it for use in perfumes and make the investor money. You must come up with a compound that you can make and sell. You can use your textbooks and theinternet as resources. You can also access the link: https://jameskennedymonash.wordpress.com/2013/12/13/infographic-table-of-estersand-their-smells/ to look at an infographic of the ester compounds responsible for the smell of different fruits, perfumes and flowers. At the end of your research, you must have the compound table filled out

What is the simplest CGS unit for "poise"?

For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides) & please write in detail each slide and explain them DON'T FOGET: first slide should outline (summarize) the whole presentation and the last slide should have the bibliography please please try to answer everything as fast as possible please its super super important and urgent i really need it Please please please answer I really need you to answer this please I'm begging Just try your best to answer please

Is number 13 a true or false question and why? this is a non graded practice worksheet

789mK/s to uK/ms.  Express your answer in three significant figures.

Hey!! For my science class I need to present a scienfic paper. I don't know how to find scienfic papers on the internet. If you could give me a quick couple to sentences explation of how to search of research papers on the web (SCIENFIC PAPERS NOT JUST ARTICLES/NEWS REPORTS) that would be serouisly help me a lot. I know this isn't your typically question, but this would seriously mean the world to me. Thanks

Chemistry In an analysis of the content of carbohydrate present in a glycoprotein, the following results were found: 12.6, 11.9, 13.0, 12.7 and 12.5 g of carbohydrate per 100 g of protein. Taking into account that σ is unknown, the confidence interval for the average value at a 90% confidence level of the carbohydrate content is: Select one:to. 12.5 ± 0.4b. 12.5 ± 0.2c. 12.5 ± 0.5d. 12.5 ± 0.3

subpart questions number 1 and 2 please. For Q2, the "helpful link" is http://genchem1.chem.okstate.edu/1515SP18/Database/VPWater.html

Use this video to answer the questions: https://www.youtube.com/watch?v=BocfSXdbaU0

What the actual heck? You answer all three of my QUESTIONS with the same MADE UP response... Mind actually doing the questions I sent you and not making up your own to explain? Not only did I wait 9+ HOURS for a RESPONSE, but you sent me the same COPY AND PAST for all 3 of them... Great customer service...Please Answer the question I sent you.

C2H4+ O2−→ CO2+ H2O Show work

4- Please I want answer sub-parts (d) and (e) with steps and clear typing or hand writing. Many thanks

Organic carbon in seawater can be measured by oxidation to CO2 with K2S2O8, followed by gravimetric determina- tion of CO2 trapped by a column of Ascarite. Water weighing 6.234 g produced 2.378 mg of CO2 (FM 44.010). Find ppm carbon in the seawater.

Like anatomy and physiology, chemistry may be a somewhat scary subject for you. Think of it this way: Chemistry is simply the study of matter, its composition, structure, properties, and the changes matter may undergo. Your goal in training as a cosmetologist is not to become a scientist, but to develop a comfort level with the basics and an ability to discuss chemistry in relation to your profession. This will increase your credibility significantly with your clients, especially during the consultation process. In the space provided, write how chemistry affects your everyday life.

nitric acid chemical name chemical formula other common names molecular weight appearance state (solid, liquid, gas) transparency (opaque, transparent, translucent) colour reactivity data (corrosive, flammable, oxidizer, incompatible chemicals, other chemicals it reacts with) fire and explosion data toxicological data storage information preventative measures to be taken when using the chemical first aid procedures (the 2 most common) disposal method the 4 HMIS ratings (health, flammability, physical hazard and personal protective equipment) at the end, you may also add a short section in which you add a few personal comments about the chemical in question

List the do's and dont's in a science laboratory

Must answer all questions eslse downvote   A. MULTIPLE CHOICE. Choose the BEST answer. PLEASE HELP ME ANSWER EVERYTHING THANK YOU Q)What is used for heating small amounts of solids at a high temperature?a) Mortar and pestleb) Evaporating dishc) Crucible and coverd) Clay triangleQ)Which of the following is used in separation techniques?a-Rubber policemanb-Graduated cylinderc-Volumetric flaskd-Filter paperQ)Which of the following describes a centrifugate?a-Always clearb-Supernatant liquidc-Discarded via decantation onlyd-Solid particlesQThe inward force that pulls substances towards its center is called .a-Gravitational forceb-Centrifotal shiftc-Continental shiftd-Centrifugal forceQA "slippery floor" is considered a .a-hazardb-riskc-flash pointd-toxicantQ)Mrs. Lily Potter is 24 weeks pregnant. She was exposed to a chemical while making a potion. What is the type of the chemical she should be avoiding?a-neurotoxicantb-asphyxiantc-teratogend-carcinogenQ)Which of the following should be…

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You take a representative soil sample and determine the following data: Exchangeable cation cmolc/kg of soil Ca2+ 2.7 Mg2+ 1.0 K+ 0.1 H+ 1.0 Al3+ 2.8 Na+ 0.1 1) What is the CEC (cmolc/kg ) of this soil?

Based on the results of your experiment, do you have hard or soft water? Does this match the data for your area? Briefly explain your answer.     Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading 1.0ml 1.0ml 1.0ml Final Syringe Reading 0.88ml 0.84ml 0.85ml Volume of EDTA Consumed 0.12ml 0.16ml 0.15ml Water Hardness ppm CaCO3 24.024ppmCaCO3 32.032 ppmCaCO3 30.03 ppmCaCO3 Average ppm   28.70 ppmCaCO3     Tap Water Trial 1 Tap Water Trial 2 Tap Water Trial 3 Initial Syringe Reading 1.0ml 1.0ml 1.0ml Final Syringe Reading 0.65ml 0.68ml 0.67ml Volume of EDTA Consumed 0.35ml 0.32ml 0.33ml Water Hardness ppm CaCO3 70.07 ppmCaCO3 64.064 ppmCaCO3 66.066 ppmCaCO3 Average ppm   66.73 ppmCaCO3   Soft Water Trial 1 Soft Water Trial 2 Soft Water Trial 3 Initial Syringe Reading   1.0ml 1.0ml 1.0ml Final Syringe Reading…

TRUE OR FALSE 1. Examples of personal protective equipment includes lab coats, long pants, closed shoes and prescription glasses. __________ 2. Thick calibrated glassware like graduated cylinders and volumetric flasks can be heated directly and will not break easily. __________ 3. Larger spills of hazardous liquid on the skin and clothes require immediate use of safety shower. __________ 4. If you get chemicals in the eye, you should flush them with water for 5 minutes only. __________ 5. Flammable materials, like alcohol, should never be dispensed or used near an open flame.

TRUE OR FALSE __________ 6. The bowl of the funnel for gravity filtration may be filled to the brim. __________ 7. Transfer liquids and solutions from a reagent bottle or beaker with the aid of a stirring rod. __________ 8. Never touch, taste, or smell a chemical unless specifically told to do so. __________ 9. If uncertain as to how to dispose of a chemical, dumping it into the sink followed by copious amount of water is a safe disposal procedure. __________ 10. A centrifuge machine should be balanced with an even number of centrifuge/test tubes, placed across the rotor from one another, with equal volumes of liquid.