Can you hwlp us with number 4 in attached.. This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

Q: I want to make sure my math is correct for the first few problems and I want to know how to solve…

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Q: Can someone help me write out this conversion in the same way it is written out in the answer…

A: At STP 1MOLE OF GAS OCCUPIES 22.4 L  N 2+3H 2 -----> 2NH3

Q: Give an example from every day life

A: To provide a real life example of dynamic equilibrium.

Q: The following question is from my textbook practice questions. It is shown in the photo below.

A: In 1H NMR, we get separate signals for that each hydrogen which is in different electronic…

Q: e. A typical giant panda (weighing 101.8 kg) spends half its day eating bamboo. What is the weight…

A: Given: Weight of panda = 101.8 kg

Q: A student determined that the mass of four pennies was 18.5grams. Use this information to calculate…

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Q: Suggest a hypothesis that explains the pattern/shape for the trend of the data in my graph

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: How many sig figs are in the following numbers

A: All non-zeros are significant  Leading zeros are non-significant whereas trailing zeros are…

Q: How is scientific writing different from the style of writing that you learned in ENG 111?  (Select…

A: Scientific writing different from the style of writing that you learned in ENG 111 by following…

Q: CAN YOU GIVE ME A SCIENCE UPDATE (RELATED TO CHEMISTRY) THAT IS MOST INTERESTING. PLEASE PROVIDE THE…

A: To find the new science update in the recent years

Q: A rubber stopper weighing 8.544g displaces 7.0 mL of water in graduated cylinder.Refer to Example…

A: The amount of a substance present in a particular volume space is called the density of that…

Q: Mr. D.B. Has poison ivy. The doctor orders daily decreasing doses of prednisone for treatment. This…

A: Since the mass of each tablet is = 10 mg  Hence the number of tablets need to be taken = mass of…

Q: Numbers 14 and 15

A: 14- Reaction mechanism A has one peak therefore it has one elementary step

Q: od Part A Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this…

A: Given, Each bar contains Mass of carbohydrate = 50 g Mass of fat = 10 g Mass of protein = 40 g Total…

Q: This was sent back.  It is a chemistry sig problem in freshman chemistry   Why is 1376 - (2.4x102)=…

A: No, there is no need to look at the last sig fig while adding or subtracting. There are certain…

Q: 836.2 MHz (common frequency used for cell phone communication) Express your answer in joules using…

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Q: 16 Report Sheet · Basic Laboratory Techniques degrees Celsius on the graph paper provided.

A: The temperature at which a substance starts to change its state from liquid to gas is known as…

Q: You have $9.35. How many pounds of meat can be bought if meat sells at $2.68/lb (also can be written…

A: Given data:

Q: Grading Your final exam score will be posted after I have graded the essay question. The exam score…

A: The false statement are as follows: c) A mixture is 2 or more different pure substances chemically…

Q: 45 3.5 3.0 2.5 1.5 1.0 0.5 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.0 2.0 F80'7 F-99'0 SO'E T-86'1 ZI -1.31…

A: Given

Q: Corn Dry Milling will separate kernels to "bugas mais" from "sungo" and "tiktik". What is the…

A: Answer  Corn Dry Milling  will separate kernels to " bugas mais"…

Q: 15 8. Look carefully at the picture on the right-hand side. (a) Name four GOOD things which you can…

A: This picture demonstrates a boy who’s performing Titration in his chemistry lab.…

Q: What to do: Read and analyze the given situation below. Write your answer on a separate sheet of…

A: (1) hamburger patties= 14      bread slices : hamburger patties = 2:1 = 28 : 14…

Q: not

A: We will. Calculate concentration of OH-

Q: What is the answer to (A)? * О 345 O 0.25 3.45 O O O O

A: Given: To find the value of weight of substance adsorbed for C.

Q: Popcorn pops because there is a what type of CHEMICAL evolution:  a. oxygen b. water vapor c.…

A: Along with time interval, a change that brings difference in the structure of molecules, that is,…

Q: I got an answer of 52163.08 how would I write that in scientific notation?

A: In scientific notation, the answer is written in the form of A X 10B  where A is the number with…

Q: Use the References to access important values if needed for this question a. When 71.292 and 66.15…

A: There are rules for addition, substraction, division and multiplication for significant figures.  In…

Q: Solving Problems using a scientific approach.

A: There are six important point to solve a problem via scientific approach.

Q: llege in I Assignments: Intro Chemist A 14 Measurements Measurements - Chemi: X New tab…

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Q: ge mass of a single penny. If you need help with the calculation, visit the averaging data section…

A: The history of pennies is given as,

Q: The study and use of medicine requires a lot of chemistry knowledge. Which of these stat nents is…

A: Medicines are organic compound which are made of by various chemical reaction between different…

Q: "unknown A ran 12" 2 1 C: \Bruker\TopSpind.0.9 unknown A run 12 10 [ppm] OL 12 3.0122 6960'Z 6996'I…

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Q: I need help with only figure 1 and the question

A: The diagram is of Hydrogen molecule.

Q: ount 10Dq = 17600 cm' %3D

A: Dear student this question is related to crystal field splitting.

Q: [Refere It is sometimes necessary to take powers or roots to solve chemistry problems. Take powers…

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Q: 1. Describe the importance of chemistry for your department in one paragraph.

A: Importance of Chemistry: Chemistry is a branch of science that deals with the composition,…

Q: the numbers 1-3 are just sub questions, thank u!!

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Q: List 10 thesis titles related to chemistry.   Please suggest 10 unique topics.

A: A thesis statement is a one or two-sentence title giving introductory insight on the academic essay…

Q: The U.S. Mint produces a dollar coin called the American Silver Eagle that is made of nearly pure…

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Q: Chemicals on skin, clothing, and eyes: (1) Any chemicals contacting one's eyes should be immediately…

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If…

Q: QUESTION 21 A laboratory experiment was done at 137.0°F. Convert this temperature to K using the…

A: Given values-> Temperature = 137.0°C °C = (°F - 32)×5/9 K = °C + 273.15

Q: QUESTION 20 A laboratory experiment was done at 160.0°F. Convert this temperature to K using the…

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Q: How many hours should it take to cook a 5.17 pound roast?

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Q: art B Gather all of your pennies dated before 1982. Then follow the steps to complete the table.…

A: This is an incomplete question and requires the details from the video.

Q: 30 25 20 > 15 10 3. Complete the equation for the graph: 5.

A: Please find your solution below : The equation of straight line is given as follows : y = mx+C…

Q: Fill in the missing part of this equation. 56. cm mm

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Q: Perform the following calculations and round your answer correctly: a. 345 + 22.5 =  b. 22.5 -…

A: These are simple mathematical operations  Addition and subtraction respectively.  Which can be…