Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134293936
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 54E
Use the molar volume of a gas at STP to calculate the density (in g/L) of nitrogen gas at STP.
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Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO42-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware:
Glassware
Uncertainty
(assume glassware has been calibrated and treat the values below as random error)
1.00 mL volumetric pipet
0.01 mL
10.00 mL volumetric pipet
0.02 mL
100.00 mL volumetric flask
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Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask.
2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.
Draw all resonance structures for the following ion:
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What is the average mass of the 10 pennies? Report your value with correct significant figures.
What is the error (uncertainty) associated with each mass measurement due to the equipment?
What is the uncertainty associated with the average value? Note that the uncertainty of the balance will propagate throughout the calculation.
What is the standard deviation of the 10 mass measurements?
Explain the difference between the propagated uncertainty and the standard deviation. Which number would you use to describe the uncertainty in the measurement?
Calculate the total mass of the pennies with associated uncertainty.
Calculate the average density of a penny based on these data. Propagate the uncertainty values for both mass and volume in your calculations.
Chapter 10 Solutions
Chemistry: Structure and Properties (2nd Edition)
Ch. 10 - Prob. 1ECh. 10 - Prob. 2ECh. 10 - Prob. 3ECh. 10 - Prob. 4ECh. 10 - Prob. 5ECh. 10 - Prob. 6ECh. 10 - Prob. 7ECh. 10 - Prob. 8ECh. 10 - Prob. 9ECh. 10 - Prob. 10E
Ch. 10 - Prob. 11ECh. 10 - Prob. 12ECh. 10 - Prob. 13ECh. 10 - Prob. 14ECh. 10 - Prob. 15ECh. 10 - Prob. 16ECh. 10 - Prob. 17ECh. 10 - Prob. 18ECh. 10 - Prob. 19ECh. 10 - Prob. 20ECh. 10 - Prob. 21ECh. 10 - Prob. 22ECh. 10 - If a reaction occurs in the gas phase at STP, the...Ch. 10 - Prob. 24ECh. 10 - Prob. 25ECh. 10 - Prob. 26ECh. 10 - Prob. 27ECh. 10 - Prob. 28ECh. 10 - Prob. 29ECh. 10 - Prob. 30ECh. 10 - Prob. 31ECh. 10 - Prob. 32ECh. 10 - A 48.3-mL sample of gas in a cylinder is warmed...Ch. 10 - A syringe containing 1.55 mL of oxygen gas is...Ch. 10 - A balloon contains 0.158 mol of gas and has a...Ch. 10 - Prob. 36ECh. 10 - Prob. 37ECh. 10 - Prob. 38ECh. 10 - Prob. 39ECh. 10 - Prob. 40ECh. 10 - Prob. 41ECh. 10 - Prob. 42ECh. 10 - Prob. 43ECh. 10 - Prob. 44ECh. 10 - Prob. 45ECh. 10 - Prob. 46ECh. 10 - A wine-dispensing system uses argon canisters to...Ch. 10 - Prob. 48ECh. 10 - Prob. 49ECh. 10 - Prob. 50ECh. 10 - Aerosol cans carry clear warnings against...Ch. 10 - Prob. 52ECh. 10 - Prob. 53ECh. 10 - Use the molar volume of a gas at STP to calculate...Ch. 10 - What is the density (in g/L) of hydrogen gas at...Ch. 10 - Prob. 56ECh. 10 - Prob. 57ECh. 10 - A 113-mL gas sample has a mass of 0.171 g at a...Ch. 10 - A sample of gas has a mass of 38.8 mg. Its volume...Ch. 10 - Prob. 60ECh. 10 - A gas mixture contains each of these gases at the...Ch. 10 - A gas mixture with a total pressure of 745 mmHg...Ch. 10 - We add a 1.20-g sample of dry ice to a 755-mL...Ch. 10 - A 275-mL flask contains pure helium at a pressure...Ch. 10 - A gas mixture contains 1.25 g N2 and 0.85 g O2 in...Ch. 10 - Prob. 66ECh. 10 - The hydrogen gas formed in a chemical reaction is...Ch. 10 - Prob. 68ECh. 10 - Prob. 69ECh. 10 - Prob. 70ECh. 10 - Prob. 71ECh. 10 - Prob. 72ECh. 10 - Prob. 73ECh. 10 - Prob. 74ECh. 10 - Prob. 75ECh. 10 - Prob. 76ECh. 10 - Prob. 77ECh. 10 - Prob. 78ECh. 10 - Prob. 79ECh. 10 - Prob. 80ECh. 10 - Prob. 81ECh. 10 - Prob. 82ECh. 10 - CH3OH can be synthesized by the reaction:...Ch. 10 - Oxygen gas reacts with powered aluminum according...Ch. 10 - Automobile airbags inflate following serious...Ch. 10 - Lithium reacts with nitrogen gas according to the...Ch. 10 - Prob. 87ECh. 10 - Prob. 88ECh. 10 - Prob. 89ECh. 10 - Carbon monoxide gas reacts with hydrogen gas to...Ch. 10 - Prob. 91ECh. 10 - Prob. 92ECh. 10 - Prob. 93ECh. 10 - Use the vander Waals equation and the ideal gas...Ch. 10 - Pennies that are currently being minted are...Ch. 10 - A 2.85 g sample of an unknown chlorofluorocarbon...Ch. 10 - Prob. 97ECh. 10 - A 118 mL flask is evacuated and found to have a...Ch. 10 - Prob. 99ECh. 10 - A gaseous hydrogen- and carbon-containing compound...Ch. 10 - Prob. 101ECh. 10 - Consider the reaction: 2Ag2O(s)4Ag(s)+O2(g) If...Ch. 10 - When hydrochloric acid is poured over potassium...Ch. 10 - Consider the reaction: 2SO2(g)+O2(g)2SO(g)3 If...Ch. 10 - Ammonium carbonate decomposes upon heating...Ch. 10 - Ammonium nitrate decomposes explosively upon...Ch. 10 - Prob. 107ECh. 10 - Prob. 108ECh. 10 - Gaseous ammonia is injected into the exhaust...Ch. 10 - Prob. 110ECh. 10 - Prob. 111ECh. 10 - Prob. 112ECh. 10 - Prob. 113ECh. 10 - Prob. 114ECh. 10 - Prob. 115ECh. 10 - Prob. 116ECh. 10 - Prob. 117ECh. 10 - Prob. 118ECh. 10 - Prob. 119ECh. 10 - Prob. 120ECh. 10 - Prob. 121ECh. 10 - Prob. 122ECh. 10 - Prob. 123ECh. 10 - Prob. 124ECh. 10 - Prob. 125ECh. 10 - Prob. 126ECh. 10 - When 0.583 g of neon is added to an 800-cm3bulb...Ch. 10 - A gas mixture composed of helium and argon has a...Ch. 10 - Prob. 129ECh. 10 - Prob. 130ECh. 10 - Prob. 131ECh. 10 - Prob. 132ECh. 10 - Prob. 133ECh. 10 - Prob. 134ECh. 10 - The atmosphere slowly oxidizes hydrocarbons in a...Ch. 10 - Prob. 136ECh. 10 - Prob. 137ECh. 10 - Prob. 138ECh. 10 - Prob. 139ECh. 10 - Prob. 140ECh. 10 - Prob. 141ECh. 10 - Prob. 142ECh. 10 - Prob. 143ECh. 10 - Which gas would you expect to deviate most from...Ch. 10 - Prob. 145ECh. 10 - Prob. 146ECh. 10 - Prob. 147ECh. 10 - Prob. 148ECh. 10 - Prob. 149ECh. 10 - Prob. 150ECh. 10 - Prob. 151ECh. 10 - Calculate the pressure exerted by 1 mol of an...Ch. 10 - Prob. 153ECh. 10 - Prob. 1SAQCh. 10 - Prob. 2SAQCh. 10 - Prob. 3SAQCh. 10 - Prob. 4SAQCh. 10 - Prob. 5SAQCh. 10 - Prob. 6SAQCh. 10 - Prob. 7SAQCh. 10 - A gas mixture is a 1.55-L container at 298 K...Ch. 10 - Prob. 9SAQCh. 10 - Prob. 10SAQCh. 10 - Prob. 11SAQCh. 10 - Prob. 12SAQCh. 10 - Prob. 13SAQCh. 10 - Prob. 14SAQCh. 10 - Prob. 15SAQ
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