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

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

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter3: Matter

Section: Chapter Questions

Problem 10QAP: ¡n a sample of a gaseous substance, more than 99% of the overall volume of the sample is empty...

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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?
You have two distinct gaseous compounds made from element X and element Y. The mass percents are as follows: Compound I: 30.43% X, 69.57% Y Compound II: 63.64% X, 36.36% Y In their natural standard states, element X and element Y exist as gases. (Monatomic? Diatomic? Triatomic? That is for you to determine.) When you react gas X with gas Y to make the products, you get the following data (all at the same pressure and temperature): 1. volume gas X + 2 volumes gas Y2 volumes compound I 2. volumes gas X + 1 volume gas Y2 volumes compound II Assume the simplest possible formulas for reactants and products in the chemical equations above. Then, determine the relative atomic masses of element X and element Y.
You have two distinct gaseous compounds made from element X and element Y. The mass percents are as follows: Compound I: 30.43% X, 69.57% Y Compound II: 63.64% X, 36.36% Y In their natural standard states, element X and element Y exist as gases. (Monatomic? Diatomic? Triatomic? That is for you to determine.) When you react gas X with gas Y to make the products, you get the following data (all at the same pressure and temperature): 1 volume gas X + 2 volumes gas Y 2 volumes compound I 2 volumes gas X + 1 volume gas Y 2 volumes compound II Assume the simplest possible formulas for reactants and products in the chemical equations above. Then, determine the relative atomic masses of element X and element Y.
A red-orange solid contains only mercury and oxygen. Analyses of three different samples gave the following results. Are the data consistent with the hypothesis that the material is a compound?
¡n a sample of a gaseous substance, more than 99% of the overall volume of the sample is empty space. How is this fact reflected in the properties of a gaseous substance compared with the properties of a liquid or solid substance?
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
What mass of Cl2 is represented by 17.1L at 4.16atm 78.0°C Express your answer to 2 decimal places and use the proper abbreviation for the Units
(a) Three spheres of equal size are composed of aluminum1density = 2.70 g>cm32, silver 1density = 10.49 g>cm32,and nickel 1density = 8.90 g>cm32. List the spheres fromlightest to heaviest. (b) Three cubes of equal mass arecomposed of gold 1density = 19.32 g>cm32, plat inum1density = 21.45 g>cm32, and lead 1density = 11.35 g>cm32.List the cubes from smallest to largest. [Section 1.5]
Palladium (Pd) is an element with properties similar to those of platinum. It is useful in eliminating harmful emission produce by internal combustion engines. Two students were given identical cylindrical “palladium” bars with the following data: Mass = 96.03 g; Length = 10.7 cm; Diameter = 9.82 mm; Density = 12.02 gcm-3 Show the calculations that Student K and S would do if: I) Student K was asked to determine whether his bar was made of pure palladium. II) Student S was asked to calculate the grams of ethyl alcohol (d = 0.789 gcm-3) his bar would displace.
In an old movie, an archeologist is shown sprinting off with a gold statue. If the volume of the statue was 3.78L (about the size of 1 gallon of milk), then calculate the mass of gold in pounds. Based upon your result, is what the movie suggested physically resonable? The density of gold is 19.3g/mL
(a) Palladium (Pd) is an element with properties similar to those of platinum. It is useful in eliminating harmful emission produce by internal combustion engines. Two students were given identical cylindrical “palladium” bars with the following data: Mass = 96.03 g; Length = 10.7 cm; Diameter = 9.82 mm; Density = 12.02 gcm-3 Show the calculations that Student K and S would do if: Student K was asked to determine whether his bar was made of pure palladium. Student S was asked to calculate the grams of ethyl alcohol (d = 0.789 gcm-3) his bar would displace.
Aluminum has an atomic radius of 0.1431 nm and weighs 26.9815 g/mol. Compute for its density

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