The following data were observed in an experiment on the photoelectric effect of an element 109 Kinetic Energy (3) 4.49 3.09 189 1 34 0 700 0311 Wavelength (tim) 280 330 380 430 480 530 ▼ Part A Graphically evaluate these data to obtain value for Planck's constant Express Planck's constant in joule-seconds to three significant figures. ΕΧΕΙ ΑΣΦΑ h= Submit Previous Answers Request Answer X Incorrect; Try Again: 5 attempts remaining Part B J.s Graphically evaluate these data to obtain value for the work function Express the work function in electronvolts to three significant figures.

Q: General Instruction: Write your answers on the space provided in this answer sheet. You may scan or…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: Which key piece of scientific equipment allowed the discovery of cells in the 1600s? The centrifuge…

A:

Q: Can someone please help me with my assignment. Please be clear for answer box

A: in Lewis dot structure the number of valance electron of any atom is given by  number of bonding…

Q: Need answer step by step

A: Given that the peak area of the commercial insect repellent is higher than the highest standard,…

Q: Measure |Sample 1Sample 2 Sample 3 Sample 4 Mass of unknown acid 1-D000g 1-OD0og 1- 000og | 1-0000g…

A: Calculation; *Moles of base  = molarity of base/volume (in L)  For sample 1;  Moles of base = 1…

Q: Part A A downward electric force of 5.2 N is exerted on a -6.7 µC charge. Find the magnitude of the…

A: Given : Electric force,F = 5.2 N Charge ,q = -6.7µC = -6.7*10-6 C Calculate : magnitude of electric…

Q: H. C ターC H. 3. H. H. H 40 41 H 43 H. 42 H. H. H. 44 H. 45 エーC ケーCI4 CIH CICIH エ エーU

A: Hybridization is the overlapping of same energy orbitals to form same energy orbitals.

Q: Im having trouble completing this page and im not sure if any of my answers are right

A: Dear student,I am providing solution for the three parts that you have not attempted as we are…

Q: Y Part A 7 Spell out the full name of the compound. Submit Previous Answers Request Answer

A: Organic compounds can be defined in the compounds that contain carbon and hydrogen atoms. We have…

Q: i need answers for 7 and 8 please.  thank you

A: In the given question, the species which is a molecule but not a compound has to be selected. The…

Q: LEARNING TASK 4!

A: Given,

Q: 13:26 Fri Apr 2 Done CHE 230 Homework+Assignment+7 * e 57% DMF +DMSO common polar Solvends CN 1 eq.…

A: The major product of this reaction are provided below in attach image.

Q: Which matches the data?

A: Explanation Nuclear magnetic resonance spectroscopy (NMR) The importance is on the 1H proton NMR…

Q: the formal charge on CI?

A:

Q: Convert the amount of spiperone in each sample to the concentration in the 1 ml total volume of…

A: Explanation The molar concentration is expressed as  Molar concentration (M) = mole / Volume of…

Q: Second part of question not answered

A:

Q: r of significant figure is

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A water sample was analyzed for iron content using the iron-phenanthroline method. Using the set of…

A:

Q: The correct answer was 0.04, but thanks sm!

A:

Q: 2.5 x 10-5 is between which two numbers? O 1 x 10-6 and 1 x 10-7 O 1 x 10-5 and 1 x 10-6 O 1 x 10-4…

A: Given number is -5we need to find out where this number lies between from given set of dataGiven…

Q: Hello! Thank you for your urgent answer.    Please continue answering the Learning Task 2.…

A: All true and false were correct. I will proceed with answering task 2.

Q: 7. Proteins and carbohydrates consist primarily of carbon, hydrogen, and oxygen; these two molecules…

A: 1) Each atom has a nucleus made up of protons and neutrons.       2) In atoms, the number of protons…

Q: What's wrong with me? Pick out what is wrong with the following names by clicking on the incorrect…

A:

Q: barium hydroxide (aq) + sulfuric acid (aq) barium sulfate (s) + water (1) What is the maximum amount…

A: In every reaction reactants react to form the products. The reactant which gets used up firstly in a…

Q: The spectroscopic data in the table is generated with five solutions of known concentration.…

A: According to Lambert-Beer's law, the absorbance of the solution is directly proportional to the path…

Q: Which would be the most likely breakdown products of a chemical with the following chemical…

A: Hence the correct option is CH3 and CH2 (free radicals).

Q: 20,18,2,4,15,15,10 Using these data, construct a 80% confidence interval for the average net change…

A: A confidence interval for a population mean with a known standard deviation is based on the fact…

Q: Please interpret this IR for me. LO0 D 4000 S C 3000 2000 1500 1000 500 波数/cm² 3398 66 3073 72 2864…

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…

Q: Question 4. In the course material you have been introduced to multiple charging for electrospray…

A: The objective of this question is to determine the mass and structure of molecules, including…

Q: A Chemistry 20 student is provided with two sodium carbonate solutions for a laboratory activity.…

A:

Q: Chemistry need help labeling peaks and idnetify compound

A: A question based on IR spectrum of organic compounds that is to be accomplished.

Q: Think about the situation where you are investigating the relationship of study time vs. exam grade.…

A: Few questions about data interpretation, which is to be accomplished.

Q: Please check my answer

A:

Q: IN QUALITATIVE ANALYSIS OF GROUP 3 CATIONS , COMPLETE THIS TABLE AND WRITE THE CHEMICAL REACTIONS…

A: In this question, we have to find out the correct answer of given problem by the help of QUALITATIVE…

Q: Standard Solutions and Determination of ɛ Use the slope and the path length to find the molar…

A: Using beer Lambert's law             ε  or molar extinction coefficient and it  is a measure of…