Polypropylene, (C3Hen is a thermoplastic polymer used in a wide variety of engineering applications. Given a layer of200 mm wide by 200 mm long and 50 um thick.Calculate the number of atoms of H in the layer.Given:Density of Polypropylene (CHan = 900 (Kg/m)Avogadro's Number NA- 0.6023 x 1024 (atoms/mole)Molar mass:• M(C)=12.01 g/mole• M(H)=1.008 g/moleSelect one:O a. Nydrogen atoma"7.729 x 10O b. Nydrogen atoms8.445 102O C. Nnydrogen atoms)=2.576x 101O d. Ngerogen atoms=1,145)1,145 101O e. Nrydrogen acoms1.546- 10< O O

1 mole of any substance contains 6.023×1023 atoms

Answered: ect one: a. NHydrogen etoms7.729 10 b.…

ect one: a. NHydrogen etoms7.729 10 b. Nydrogen atoms=8.445 102 C. NHydrogen atams2.576 10 d. Nydrogen atoms1.145 10- 1.54610

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Stoichiometry Instructions: Complete the following questions and hand in at the start of your lab period or when instructed by your instructor. Show your work with units and correct significant figures for all questions that involve a calculation. 1. Calculate the molecular weights of all the compounds in the reaction we are doing in this lab (and copy them onto your procedure... they will be helpful!): a. NaHCO3 b. HCI c. NaCl d. H₂O e. CO2 2. The following is some example data for the lab. Use the data to answer the following questions. Mass of test tube and boiling chip Mass of test tube, boiling chip and NaHCO3 Mass of test tube, boiling chip and NaCl a. How much NaHCO3 was added to the test tube? 14.123 g 14.724 g 14.496 g b. How many grams NaCl was produced from the experiment? c. Using the balanced chemical equation, the amount of limiting reactant calculated above, and molar masses from question 1, how many moles of NaCl should the experiment have produced? d. Calculate the…
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3. The molar mass value you calculated is only approximately the true molar mass of the unknown sample (the two values are not identical). Suggest one possible source of experimental error that may have resulted in the deviation of your calculated value from the true value. ( 81
i think I caculated the empirical formulas wrong.
Her BIUA Russo One 14 +. Chalk CaCo, rofoam Cup C,H encil Eraser C,H4 PVC Pipe C,H,Cl Cotton Ball C,H,0, Sugar Cube Pastic Bottle C,,H,0, Crayon CH52 ns A chemist needs 1.25 moles of sugar to dssolve in 1ter of water. How many grams of sugar will the chemist need? From the calculated number of molecules of caicium carbonale (CacO in a piece of chak, determine the Jotal number of ach of the elements within your piece of chalk.calcium, carbon, and orygen. How many atoms in total are present? Molecules oF CaCo, Atoms of Ca Atoms of C Ptoms of 0 Total atomS. (3) The amount of iron requred per day for the average person is 0.015 g. How many alams of iron is this? Atoms of Fe. (4) CHALLENGE QUESTION: According to the National Insututes of Health (NIH), the recommended amount of sodium consumed per day for the average person is no more than 2.3 g. Using this information, how many moles of salt (NaC) would healthy for a typical person? Molecules of Nacl
A sample of bromine has a mass of 40.8 grams. a. How many Br atoms are there in the sample? atoms b. How many Br2 molecules are there in the sample? molecules Submit Answer Retry Entire Group 9 more group attempts remaining a. What is the mass of 1.74 x 1024 atoms of oxygen? grams b. What is the mass of 3.02 x 1023 molecules of oxygen? grams grams values if needed for this question. a. What is the mass of 1.46 x 1024 atoms of iodine? grams b. What is the mass of 1.88 x 1024 molecules of iodine? vay Me Reierences to access important values if needed for this question. a. What is the mass in grams of 1 zinc atom? grams b. The number of atoms in 60.9 grams of zinc would be Avogadro's number.
A compound has the following % composition data 49 48% Carbon 5.15% Hydrogen 28.87% Nitrogen 16.49% Oxygen hift The molecular weight is between 180 g/mole and 200 g/mole tab Determine the empirical and molecular formula caps lock Edit Format Table esc 12pt v Paragraph ! 1 Q A 2 N BIU AT²V W #3 E S D $ 4 4 R X C % 5 F M T V MacBook Pro A 6 G Y B 27 & U *00 8 - N ( 9 H J K M ) O- 0 0 < St
O Emmaree Hernandez - Mole R X How to Calculate Molar Mass O Unit 4 Test Choice Boarc X A IN CLASS ASSIGNMENT FOR 1 X A goformative.com/formatives/6021509f9fbcc1919474d934 4 7. 8 9 10 5.717 grams H2 9 In the reaction: N, + 3H, 2NH, what is the mole ratio of hydrogen to nitrogen? 3. O3:2 1:1 1:2 О 3:1
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mmunity College X x || X D2L ALEKS Learning Module 8 (due A X A ALEKS- Jessica Sceusa - Learn X G Write the empirical formula for a x + www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvWyv8WYLP6W0cqJcWJdIACROQwyw24GWHInCX70-Q0WaoxQiZ3DF-1EgBJkRS45QbFh_mdu6pQMT19A08TrT_6p5Ces O ||| O STATES OF MATTER Using the combined law gas Student - Home kPa For many purposes we can treat ammonia (NH3) as an ideal gas at temperatures above its boiling point of -33. °C. Suppose the temperature of a sample of ammonia gas is lowered from 19.0 °C to -25.0 °C, and at the same time the pressure is changed. If the initial pressure was 0.30 kPa and the volume decreased by 40.0%, what is the final pressure? Round your answer to 2 significant digits. Explanation Check X10 X K 0/5 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cent
How many milliliters of 0.110 MHNO3 contain 7.68 g HNO3? mL eTextbook and Media Hint Save for Later ype here to search # メ

What is the simplest whole number ratio between step 9/step 10