Ethyl alcohol has a density of 0.789 g/cm3. What is the mass in pounds of 452 cm3 of ethyl alcohol? You must use dimensional analysis and put your answer in scientific notation with correct units and significant figures. (Please write your answer on a piece of paper. No need to type anything here). Edit View Insert Format Tools Table 12pt v Paragraph v A v ev T?v p O words </> / Question 18 I| Proctorio is sharing your screen. Stop sharing Hide ...

Ethyl alcohol has a density of 0.789 g/cm3. What is the mass in pounds of 452 cm3 of ethyl alcohol? You must use dimensional analysis and put your answer in scientific notation with correct units and significant figures. (Please write your answer on a piece of paper. No need to type anything here). Edit View Insert Format Tools Table 12pt v Paragraph v A v ev T?v p O words </> / Question 18 I| Proctorio is sharing your screen. Stop sharing Hide ...

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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Answer po asap huhu :((( In an experiment regarding measurements and significant figures, one student weighed an object using triple-beam balance. The student reported the mass of the weighted object as 162.1 grams. The professor penalized the student for incorrect number of significant figures. The student insists that the reported value should be considered. Who is right in this situation? Elaborate your answer in 5-7 sentences.
#4) Express the speed of sound in gold, which is equal to 3240.0 m/s, in units of inches per week. Show all conversions. Express answer to 3 sig figs.
Pls do fast and i will rate instantly for sure Solution must be in typed form Please show work on these questions. I am having a hard time understanding these concepts.
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A chemist must prepare 475. mL of 1.00 M aqueous aluminum chloride (AICI,) working solution. She'll do this by pouring out some 3.37 mol aqueous aluminum chloride stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the aluminum chloride stock solution that the chemist should pour out. Round your answer to 3 significant digits. |mL x10 Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibl 80 F Cloudy DELL PrtScr Insert Delete PgUp F9 F10 F11 F12 F4 F5 F6 F7 F8 F1 F2 F3 Num Lock $ L| % & Backspace
с YouTube ||| www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IBInznl7HUz21YCCR4NM7yr_IpMriNwx Maps G-7203.jpg O MEASUREMENT Setting up a unit conversion A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. 3 (0.030 Pa cm Explanation > 3 <= ? kPa m ³).0 = ² Check ロ・ロ X u 0|0 MacBook Air
could you please check if my answers are correct? I'm not sure about significant figures... Thank you very much!!
Q Search ... O Measurement problems.docx Close Activity Word | COL CHEM 1 (BS Chem 1B 2021) problem set 1 (bschem1b) Measurement problems EE Immersive Reader O Open in Desktop App E Print 4 Share ... Chat (a) Tou owe me S11.39 tor 5.7 ID or tomatoes. They were 51.99 a pound. (b) There are 16 oz in 1 lb. (e) There are 7 cars in your driveway. 24. Which of the following statements use exact numbers? (a) The little girl weighs 74.3 lb. (b) The boiling point of ethyl alcohol is 78°C. (c) The square root of 144 is 12. 25. A basketball game at the University of Connecticut's Gampel Pavilion I nautical mile = 6076.12 ft 1 knot =1 nautical mi/h (exactly) (a) How many miles are in one nautical mile? (b) How many meters are in one nautical mile? (c) A ship is traveling at a rate of 22 knots. Express the ship's speed in miles per hour. 37. The unit of land measure in the English system is the acre, while that in the metric system is the hectare. An acre is 4.356 X 10ʻ fº. A hectare is ten…
MRe Part A pH 9.0 Express your answer using one significant figure. 阳 AE中 (H3O*] = Submit Request Answer Part B pH 9.0 Express your answer using one significant figure. ? %3D = (-HO] Submit Request Answer Part C pH 2.0 Express your answer using one significant figure. P Pearson
rank the numbers from greatest to least
arch E C $ 4 101 R F V 15 % Convert 3.19 × 10-5 5 ADD FACTOR * ( ) 319 3.19 x 104 3.19 x 10-12 3.19 x 10-14 0.0319 T 0.01 G O 16 40 6 Y 10 0.001 H & 7 m to nanometers Use only the metric system. BN U 10-⁰ J [+ 8 M 1000 # fo 3.19 10⁰ 144 ( O 9 ANSWER 3.19 x 10- 10⁰ fo JI K 3.19 x 10" O ▶11 ) O L 3.19 x 10⁰ f11 PI P : 31.9 ; RESET 10⁰ S 112 { ? + [ 44 0.1 = 1 $ 1 ins prt sc } ← backspace ] delete ( pause home. num lock enter T shi