15. This Foreverspin TM top os made of pure carbon, with an Atomic Mass of 12. This top weights 9 grams. If there are approximately 6.02 × 10²3 atomic particles in 12g of carbon, how many particles are in this 9g top? Express B The Makerboard Peape your answer in scientific notation, rounded to the nearest 10th. State your solution in a sentence. n G1116-2x

15. This Foreverspin TM top os made of pure carbon, with an Atomic Mass of 12. This top weights 9 grams. If there are approximately 6.02 × 10²3 atomic particles in 12g of carbon, how many particles are in this 9g top? Express B The Makerboard Peape your answer in scientific notation, rounded to the nearest 10th. State your solution in a sentence. n G1116-2x

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 92AE: In the opening scenes of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold...

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In the opening scenes of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol from a booby-trapped pedestal. He replaces the idol with a bag of sand of approximately equal volume. (Density of gold = 19.32 g/cm3; density of sand 2 g/cm3.) a. Did he have a reasonable chance of not activating the mass-sensitive booby trap? b. In a later scene, he and an unscrupulous guide play catch with the idol. Assume that the volume of the idol is about 1.0 L. If it were solid gold, what mass would the idol have? Is playing catch with it plausible?
Platinum, Pt, is one of the rarest of the metals. Worldwideannual production is only about 130 tons. Platinum has a densityof 21.4 g>cm3. If thieves were to steal platinum from a bank usinga small truck with a maximum payload capacity of 900 lb, howmany 1 L bars of the metal could they take?(a) 19 bars (b) 2 bars (c) 42 bars (d) 1 bar (e) 47 bars
METHANE EMISSIONS: Mass per time (m/t): megagrams, or teragrams per year (Mg yr–1, Tg yr–1) Mass per unit area per time (m/(l2 t): grams per square meter per day (g m–2 d–1) What's their difference? Can mass per unit area per time can be converted to mass per time?
A student finds that 24.96 g of water at 24.9 C(density=0.9971 g/cm3) is required to completly fill an empty flask. The water is removed and completely dried; granular solid copper weighing 51.24g is then added to the flask. With the copper present in the flask, it was determined that 19.24 g of water was required to fill the remaining space in the flask completly 1.) volume of the empty flask 2.) volume of the copper 3.) density of the copper
In Beer's Law, if the unit of b is cm, and unit of c is g/mL, what is the unit of ε? ( ε is Epsilon) a. g*mL / cm b. mL / g * cm c. cm / g * mL d. g * cm / mL
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Mass of the gelatin capsule was: 0.1134 g Mass of the capsule and the allow sample was: 0.3218 g Ambient Temperature was: 23°C Mass of empty beaker: 154.3 g Mass of beaker with water: 401.6 g Vapor pressure of water for this data: 21.1 mmHg Atmospheric Pressure: 732 mmHg Assume density of water to be 1.0000 g/mL What is the volume of the displaced water in Liters? Using PH2V= nH2RT, nH2=PH2V/RT how many moles of H2 were evolved? Determine the number of moles of H2 per gram of sample. Determine the %Al using NH2= (%AL/100 * 0.0556) + (100-%AL/100 * 0.0153)
The physical fitness of athletes is measured by “VO2 max,”which is the maximum volume of oxygen consumed by anindividual during incremental exercise (for example, on atreadmill). An average male has a VO2 max of 45 mL O2>kgbody mass/min, but a world-class male athlete can have a VO2max reading of 88.0 mL O2>kg body mass/min. (a) Calculatethe volume of oxygen, in mL, consumed in 1 hr by an averageman who weighs 185 lbs and has a VO2 max reading of 47.5mL O2>kg body mass/min. (b) If this man lost 20 lb, exercised,and increased his VO2 max to 65.0 mL O2>kg body mass/min,how many mL of oxygen would he consume in 1 hr?
Also we have a mixture for gas is hydrogen helium neon and nitrogen sealed in a container of -50 Celsius degree so imaginary pick one molecule and follow it around for some time and record speed we determine that on average a small chill travels with speed of approximately 1.9x10^3 km/h . Which molecule or atom did we pick up MM,g/mol Hydrogen 2.02 Helium 4.00 Neon 20.18 Nitrogen 28.01
To identify a liquid substance, a student determined itsdensity. Using a graduated cylinder, she measured out a 45-mLsample of the substance. She then measured the mass of thesample, finding that it weighed 38.5 g. She knew that the substancehad to be either isopropyl alcohol 1density 0.785 g>mL2or toluene 1density 0.866 g>mL2. What are the calculated densityand the probable identity of the substance?
Pheromones are compounds secreted by females of manyinsect species to attract mates. Typically, 1.0 × 10−8gof a pheromone is sufficient to reach all targeted maleswithin a radius of 0.50 mi. Calculate the density of thepheromone (in grams per liter) in a cylindrical air spacehaving a radius of 0.50 mi and a height of 40 ft (volumeof a cylinder of radius r and height h is πr2h).
The answer to 6.626*10^-34 Js (7.40*10^6 m/s)(9.11*10^-28 g) is 9.83*10^-17 g right? That's the answer I got but my digital homework says it's wrong, but like, all my math is checking out that it should be what I got?