06-06_task2

10. A scientist performs an experiment and then records the times required for a certain chemical reaction to occur. The times for the reactions to occur are normally distributed and have a mean time of 38 s and a standard deviation of 2.3 s. Use z-score tables or technology to answer the following questions. a) What percentage of chemical reactions occur between 41 s and 43 s? b) What percentage of chemical reactions occur in less than 39 s? Page 5 STATISTICS-REVIEW ASSIGNMENT c) If 200 experiments are performed in the same manner as above, how many can the scientist expect to have chemical reactions that take longer than 43 s?

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

Please answer questions 3 and 4 and show work please. Thank you

Posttest Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation c. precipitation b. condensation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a liquid. Which of the…

[References] Use the References to access important values if needed for this question. Taking logarithms and antilogarithms is necessary to solve many chemistry problems. For practice, complete the following table, where N is a number. log N 7.92 1.867 -1.402 Submit Answer Retry Entire Group 4 more group attempts remaining Previous Next Save and Exit

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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.

How is scientific writing different from the style of writing that you learned in ENG 111?  (Select all that are correct.)   Group of answer choices a. Scientific writing is concise, written in 3rd person, and uses past tense. b. Science writing uses lots of colorful language to describe visual reactions to the experiment. c. Science writing uses lots of personal pronouns (e.g., I, me, we, you, your, our) to show ownership of the results and personal attention to directions. d.Science writing assumes the reader already knows how to do the experiment that is the subject of your paper. e.Science writing may include references that are from peer reviewed sources.

Activity No. 2: Show me! What you need: Pen and extra sheet of paper (if needed) What to do: Answer the following questions. Correct answers are already provided; just show your solutions in getting the right answers. 1. An alcoholic drink claims 12% alcohol by volume. Calculate the volume in mL of alcohol present in a 0.8 L wine. ANSver 96 mt of aloõnol

Analytical chemist from Petroleum Development Oman extracted petroleum from crude oil and measured the quantity lost by the extraction to tell how much of the petroleum was . Quantity of Petroleum lost %): 10.8, 11.6, 9.4, 7.8, 9.2, 9.1 , 10.6, 11.6 Should the value 7.8 be rejected from the set of the above results.

All one question

Part A If 2.0 x 10-4 moles of S20 in 50 mL solution is consumed in 3 minutes and 17 seconds, what is the rate of consumption of S20 ? Express the rate in mol per liter-second to two significant digits. M 2.128 10 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining < Return to Assignment Provide Feedback

This question has multiple parts. Work all the parts to get the most points. Use the References to access important values if needed for this question. 18 16 14 12 10 8 6 4. Choose the correct relationship for the plot shown above. O a direct proportion O an inverse proportion O linear with a positive slope and nonzero y-intercept O linear with a negative slope and nonzero y-intercept Submit Cengage Learning | Cengage Technical Support MacBook Air DII E5 F6 EZ FA F9 F10 F 2$ & * ) 4 5 6 7 8 * 00

older. Or import from another browser. Import favorites [Review Topics] [References] Some fuel-efficient hybrid cars are rated at 55.0 miles per gallon of gasoline. Calculate the energy used to drive 9.00 miles if gasoline produces 48.0 kJ/g and the density of gasoline is 0.737 g/cm. (1.00 gal = 3.785 L) Energy = kJ %3D Submit Answer Retry Entire Group 3 more group attempts remaining 640 PM

Procedure 1. A crime situation is presented to you. You need to solve the crime by using your senses and given information. 2. Fill in the investigation report correctly. CRIME SCENE A man is found dead in a vac ant lot near his work place. In the crime scene, the SO cO collected different pieces of evidence including two pieces of cloth tainted with unknown stains. The police are hoping that through these pieces of evidence they could find the culprit criminal. or Cloth A Cloth B Pieces of evidence Data and Result Crime: Date: Piece of collected evidence:_ OBSERVATIONS: Cloth A Cloth B Final Findings: Questions 1. Which of the cloth A and cloth B can be used as possible source of evidence in the crime? Why? 2. Which property of matter did you use in making your observation?

100% 41 Safari File Edit View History Bookmarks Window Help Wed 4:51 PM A uk.instructure.com My Questions | bartleby Course Details University of Kentucky - CHE 111 Lab - Fall19 - FRENCH: Quiz.. Calculate the Molarity of Sodium Hydroxide? | Yahoo Answers = CHE111-017-032 > CHE111 Sections 017 to 32 (Tuesdays): General Chemistry I Laboratory (Fall 2019) Fall 2019 Home Account Announcements Dashboard Question #: 11 Syllabus Course Details An aqueous solution containing 0.3845 g of KHP (KHC;H4O4) was titrated with a solution of sodium hydroxide, producing the following titration curve. What is the concentration of the NaOH solution? Courses Modules Titration of KHP with NaOH Piazza Groups 14 Grades 12 Calendar 10 Inbox 6. Help Volume NaOH (ml) DEC 18

Chemistry Hello! Can you please explain why these answers are wrong? Thank you.

Please answer #4,5,6,7

What safety rules did Andrew break?

LIFE SCIENCES/GRADE 10 9 FET MDUGUST 2024 ESTION 3 Read the extract below and answer the questions that follow Carolus Linnaeus established a hierarchical classification system of grouping similar organisms together. He grouped organisms from broad groups called Kingdoms down to the smallest groups called species. By making use of his system, a lion is fully classified as follows; Animalia, Chordata, Mammalia, Camivore, Felidae, panthera e 3.1.1 According to Linnaeus' system, which class does the lion belong to? 3.1.2 The lion's scientific or binomial name, panthera leo, has been written incorrectly Rewrite it correctly 3.1.3 Why is it necessary for organisms to have scientific names? The table below shows the results of an investigation which measured the average global carbon dioxide levels in the atmosphere over a five-year period (1) (2) (2) (5) Year Carbon dioxide level (parts per million) 2004 376.0 2005 377,0 2006 379,5 2007 381,0 2008 383,5 3.2.1 Draw a line graph to show the…

Routine Chemical Tests for Urine - Word Table Tools Decy Joy Garriel Table Design O Tell me what you want to do 2 Share File Home Insert Draw Design Layout References Mailings Review View Help Layout X Cut P Find Calibri (Body) 12 A A Aa v AaBbCcD AaBbCcDc AaBbCcDc AaBbC AaBbCcC AaBbC AaBbCcD EE Copy ab. Replace Paste BIU v abe X, x A v aly - A - I Normal No Spacing I No Spac. Heading 1 Heading 2 Heading 3 Heading 4 A Select Format Painter Clipboard Font Paragraph Styles Editing COLLEGE OF HEALTH SCIENCES RESULTS AND OBSERVA TIONS: PARTI: BENEDICTS TEST FOR REDUCING SUGARS 田 TUBE PATIENT COLOR RESULT and NO. Before: Blue-green OBSERVATION WHITE PRECIPITATE: 1 Normal Patient 1 After: Greenish brown 2 Normal Patient 2 Before: Blue LIGHT GREEN After: Green PRECIPITA TE: 3 WHILTE AND YELLOW Pathologic Patient 1 Before: Blue PRECIPITATE: After: Green BRICK RED Before: Blue-green After: Brick Red Pathologic Patient 2 PRECIPITATE: Generalization: Page 5 of 8 947 words English (Philippines) K…

Graphing practice 1. Jamie bought a new video game and decided to keep track of his scores. Jamie's friend Josie tries out the same game. Below are the points they scored after playing 6 times. Attempt 3. 4. Jamie 150 190 500 900 1100 1500 Josie 100 500 900 1100 1400 1500 Step 1: Put the "attempts" on the X axis. Label your Y axis. Scale your graph. Add a title to the graph Step 2: Graph Jamie's progress and connect the dots using a straight line Step 3: On the same graph - graph Josies' progress and connect the dots using a dotted line. 4. Based on your graph, who is the better player? Justify your answer.