Experiment_732_Isolation_of_a_Protein_from_Milk_1_128129

Answer question 7 please

Find the radius of a Pu nucleus. Pu is a manufactured nuclide that is used as a power source on some space probes. (answer in fm)

tab caps lock You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C34H32FeN4O4, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 29.7 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample? Tap here or pull up for additional resources Q A NO 2 W S #3 E D GA 4 R % 5 F Question 9 of 17 T 6 G Y & 7 B H 8 N 9 4 +/ V M

Please do question 5 for me and please don’t return in it just write one sentence for each box

A population numbers 16,000 organisms initially and decreases by 8.9% each year.please type answer in words don't image upload thank you.

Which practice is NOT used to gauge accuracy? raw data and results from calibration checks B. fortification recoveries (c quality control samples blank samples E sample replications

Fill in boxes and show correct answer please

a. What instrument was used to discover the structure of DNA? b. What shape was expected from the instruments output? VWhy? c. Who were the four main scientists involved in discovering the structure of DNA? d. What did you notice about the process of science represented in the video? Name at least three things that you noticed. Edit View Insert Format Tools Table 12pt v Paragraph v BI Address DELL F4 F5 F6 F7 F8 F9 F10 F11 II 88888: $ & 4. 6. 7

Question 23 a) What is meant by replicate samples ? Why is replication important in all chernical analyses? b) What is meant by interferences and how do they affect quantitative results? Use the editor to format your answer

i need help solving questions 32 - 36 thank youu

Please answer question 3

Which of the following questions would not be of scientific importance? Note: there is more than one correct answer here. a. Does fracking affect the frequency of severe earthquakes? b. What was the best album of 2022? C. What were the radiation levels of the Three Mile Island meltdown? d. Who is the fastest-The Flash, Quicksilver or Sonic the Hedgehog? e. Is there a possible vaccine for RSV?

M Apple Google Disney ESPN Yahoo! Biomedical Careers Program Apple iCloud Yahoo Images Bing Google Wikipedia COWLv2 |... b D2L ☆ & G For the reaction r r Submit Answer prod03-cnow-owl.cengagenow.com Fe(s) + 2HCI(aq)→→→FeCl₂(s) + H₂(g) AH° = -7.4 kJ and AS° = 107.9 J/K D2L D2L D2L Facebook Twitter LinkedIn Use the References to access important values if needed for this question. The Weather Channel Yelp TripAdvisor b D2L M G C The maximum amount of work that could be done when 2.08 moles of Fe(s) react at 286 K, 1 atm is Assume that AH° and ASº are independent of temperature. Retry Entire Group 4 more group attempts remaining kj. +88 M

©2019 by Eric DeAngelo; all rights reserved. Answer these questions: 1. You are testing a river water sample. Your "original" plate shows 100 coliform colonies. Assuming you did the serial dilution correctly, how many coliform colonies would you expect to see on your 1:10 plate? Your 1:100 plate? Explain. (0) 1:10 plate? 1:100 plate ? 100 2. Coliform counts often increase dramatically in rivers and oceans near cities after rainstorms. Why? (do Internet research; use reputable sources; cite your sources appropriately in your answer)

MRI machines primarily work using ____.a. The nuclei of carbons in fatty acid chainsb. The nuclei of oxygen atoms from water molecules in the bodyc. The nuclei of hydrogen atoms from water molecules in the bodyd. The nuclei of radioactive isotopes injected into the body

The best immunoassay test to measure immune status for vaccination or recovery from infection from hepatitis B virus is the hepatitis B surface antigen antibody (anti-HBsAG).   Question 10 options:   True   False

Tumor markers can be produced directly by the tumor or released as a result of tissue damage by the growing tumor.   Question 2 options:   True   False

S Eukaryodc Cells. rris - Average Atomic Mass Calculations iew Insert Format Tools Add-ons Help Last edit was 31 minutes ago 100% - Heading 1 Russo One + BIUA 回回。三叫山 1三 ニ用,E 30 Element: Ytterbium Name of isotope Number of Number of Abundance Abundance Protons Neutrons Mass (amu) (%) (decimal) Ytterbium-168 167.934 0.13% Ytterbium-170 169.935 3.04% Ytterbium-171 170.936 Ytterbium-172 171.936 21.83% Ytterbium-173 172.938 16.13% Ytterbium-174 173.939 31.83% Ytterbium-176 175.943 12.76%

What is a mass scan in MS?

Please answer question 4

Give examples of daily activities of a forensic chemistry

Ssteps Oog Mei Nhe ph ph

Has 2 subtleparts ( A&B) . not graded everything is given

25.5 mL 3) A ball of iron weighs 55.265 g and measures 3.00 cm in diameter. What is the density of the iron ball? (V= -ar', where r is the radius) * Basic Chemistry Laboratory Manual

Antigen/Antibody (Ag/Ab) combination assays can detect HIV infection on average______ days earlier than third-generation antigen sandwich assays that only detect antibodies.     Question 7 options:   A)  five to seven   B)  fifteen to thirty   C)  one to two   D)  thirty to forty

H J K L Enter V B N M Shift Chapter 2 An Introduction to the Chemistry of Life 37 SELF-QUIZ: TESTING YOUR KNOWLEDGE 1. Each atom has a nucleus made up of р. 24. 2. In atoms, the number of protons is usually equal to the number of 3. The atomic number of an atom is equal to the number of 7. Proteins and carbohydrates consist primarily of carbon, hydrogen, and oxygen; these two molecules are types of and neutrons. -compounds. p. 31. 8. On the pH scale, a pH of is neutral; a solution with a pH less than this is this is 9. Chemicals like bicarbonate that resist pH change are called р. 25. and a solution with a pH greater than р. 32, in the nucleus. p. 26. 4 An alternative form of an atom is called an differs in the number of neutrons in the nucleus. p. 26. 5. A bond formed between two atoms that share electrons is called it p. 33. 10. When water molecules dissociate, they form and ions. p. 32. bond. p. 28. bonds form between oppositely charged atoms of a(n) polar covalent bonds of…

When the paramagnetic species are very close together, or are separated by a species that can transmit magnetic interactions, this will give rise to а. magnetically dilute species. b. ferromagnetism or antiferromagnetism. С. only antiferromagnetism. d. only ferromagnetism

Test the hypothesis Materials: • 3 Clear Cups Yeast Spoon • Sugar • Water Ruler Procedure: • Label the cups: 1, 2, 3 Add a ½ teaspoon of sugar to Cup 1. Add 2 teaspoons of sugar to Cup 2. Add no sugar to Cup 3. Add a tablespoon of yeast to each cup. • Fill the cups with 4 tablespoons of water (room temperature). Stir contents of each cup. • Wait for 10-25 minutes. • Make observations. Use a ruler to measure the thickness of the foam. Record data collected during the experiment. Amount of sugar spoon 2 spoon 0 Spoon (insert a photo of your experiment here) 1 1/² 2 2 34 Water Thickness of Foam (cm) Sugar → Yeast

What safety rules did Andrew break?

Suspect #1: George Norman Suspect #2: Becky Baker George Norman recently Becky Baker is a world famous chef. She had just finished baking a cake at the time of the crime. The recipe called for baking soda. The formula for baking soda (sodium bicarbonate) is had an accident where he cut himself with a Alaia knife. He cleaned the wound with rubbing alcohol. The formula for rubbing alcohol Bak ing Seda NaHCOз. (isopropanol) is C3H80. Suspect # 3: Liz Lemon Suspect #4: Ben Linus Liz Lemon just had her nails Ben Linus had been walking done, and she still has traces of nail polish remover on her hands. Nail around in the rain for about an hour before the crime polish remover he was suspected contains acetone. Acetone of occurred. He The formula for Polish was dripping wet with water acetone is C3H60. renover at the time. The formula for water is H2o.

Requirements must note: NEED presentation any topic u own choose but topic is good and with reactions and awesome ok i have presentation need ur suggestions+ idea ok. From chapter NUCLEAR CHEMISTRY PHYSICAL CHEMISTRY OK. #note also this one. Once u write step1 then answer me then continue this post Will write step1 then u step 2 done then upload will write it all not give answer in one time please upload soon step by step will write also soon ok? Understand? Continue my answer Upload soon steps then continue then upload ok? It never take time. Hope u understand if not then ask question ok

Name: Course/Year/Sec Instructor/Professor Group No: Date Performed: Date Submitted: Activity No. 4 CHANGES IN MATTER OBSERVATION / DISCUSSION: A. Physical and Chemical Changes Process 1. heating naphthalene Observations Type of Change Explanation 2. heating iodine 3. iron filings + HCI 4. heating copper sulfate 5. silver nitrate + sodium chloride 6. igniting magnesium ribbon 24

3. D +je + SNi 4. P – 32P 15 325 16 5. 12°BA + _ie Ba+ _ĝe 56 6. 23°PU → 94 + 235U

口 A docs.google.com Classroom | Google for Education Alchemy Lesson 20 & 21 Worksheet Andres Carrill Andres Carrillo - Alchemy Lessons 20 & 21 Worksheet Update Apple ID S Some account servi available until you sig File Edit View Insert Format Tools Add-ons Help Last edit was 2 days ago 100% Normal text Arial 11 BIUA E = E = EE E - E E X 1 2 3 4 .. 6 I 7 O 8 1 IC 5 AIV-20: Getting Connected (Writing lonic Compounds) Part 1: Putting together lonic Compounds lonic compound Metal Number of cation nonmetal number of anion total total charge = 0 valence valence number of electrons electrons valence electrons NaF, sodium fluoride Na Na + (+1)+(-1) = 0 F- 8. MgO, magnesium oxide Mg 02- (+2) + (-2) = 0 MgCl2, magnesium chloride Mg CI 7 16 (+2) + 2(-1) = 0 Ne, neon Ne 8 BeF2, beryllium fluoride Be MgS, magnesium sulfide CaCl,, calcium chloride Na Br K Se Al Al203, aluminum oxide Al Al F