GENERAL CHEMISTRY(LL)-W/MASTERINGCHEM.
11th Edition
ISBN: 9780134566030
Author: Petrucci
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 32E
Which is the greater mass, 3257 mg or 0.000475 kg? Explain.
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Explain the difference between the propagated uncertainty and the standard deviation. Which number would you use to describe the uncertainty in the measurement? if the standard deviation is 0.01 and the propagated uncertainty is 0.03
Propagation of uncertainty. Find the absolute and percent relative uncertainty assuming the ±-values are random error.
7.65±0.04 + 5.28±0.02 – 1.12±0.01
85.6±0.9 × 50.2±0.7 ÷ 13.8±0.5
[4.88±0.07 + 3.22±0.05] / 1.53±0.02
Explain the difference between the propagated uncertainty and the standard deviation. Which number would you use to describe the uncertainty in the measurement?
Chapter 1 Solutions
GENERAL CHEMISTRY(LL)-W/MASTERINGCHEM.
Ch. 1 - What are the principal reasons that one theory...Ch. 1 - Prob. 2ECh. 1 - A common belief among scientists is that there...Ch. 1 - Describe several ways in which a scientific law...Ch. 1 - Describe the necessary characteristics of an...Ch. 1 - Describe the necessary characteristics of a...Ch. 1 - State whether the following properties of matter...Ch. 1 - State whether the following properties are...Ch. 1 - Indicate whether each sample of matter listed is 8...Ch. 1 - Indicate whether each sample of matter listed is...
Ch. 1 - Suggest physical changes by which the following...Ch. 1 - What type of changephysical or chemicalis...Ch. 1 - Express each number in exponential notation....Ch. 1 - Express each number common decimal form. a....Ch. 1 - Express each value in exponential form. Where...Ch. 1 - Express each value in exponential form. Where...Ch. 1 - Indicate whether each of the following is an exact...Ch. 1 - Indicate whether each of the following is an exact...Ch. 1 - Prob. 19ECh. 1 - How many significant figures are shown in each of...Ch. 1 - Perform the following calculations; express each...Ch. 1 - Perform the following calculations; express each...Ch. 1 - Perform the following calculations and retain the...Ch. 1 - Express the result of each of the following...Ch. 1 - An American press release describing the 1986...Ch. 1 - Prob. 26ECh. 1 - Perform the following conversions. a. 0.127L=mL b....Ch. 1 - Prob. 28ECh. 1 - Perform the following from non-SI to SI units....Ch. 1 - Prob. 30ECh. 1 - Which is the greater mass, 3245 (g or 0.00515 mg?...Ch. 1 - Which is the greater mass, 3257 mg or 0.000475 kg?...Ch. 1 - The non-SI unit, hand (used by equestrians), is 4...Ch. 1 - The und furlong is used in horse racing. The unis...Ch. 1 - A sprinter runs the 100 yd dash in 9.3 s. At this...Ch. 1 - A non-SI unit of mass used in Pharmaceutical work...Ch. 1 - Prob. 37ECh. 1 - In an engineering reference book, you find that...Ch. 1 - Prob. 39ECh. 1 - The volumeofaredbloodcell isabout 90.010-12cm3 ....Ch. 1 - We want tomark offathermometer in it Celsius and...Ch. 1 - The highestandlowesttemperatures on record for San...Ch. 1 - The absolute zero of temperature is -273.15C....Ch. 1 - Prob. 44ECh. 1 - Prob. 45ECh. 1 - Prob. 46ECh. 1 - A 2.18 L sample of butyric acid, a substance...Ch. 1 - A 15.2 L sample of chloroform at 20 C has a mass...Ch. 1 - To determine the density of acetone, a 55.0 gal...Ch. 1 - To determine the volume of an irregularly shaped...Ch. 1 - A solution consisting of 8.50% acetone and 91.5%...Ch. 1 - Prob. 52ECh. 1 - A fertilizer contains 21% nitrogen by mass. What...Ch. 1 - A sample is found to have a density of 1.006 g/mL,...Ch. 1 - Prob. 55ECh. 1 - Calculate the mass of a cylinder of stainless...Ch. 1 - The densities are given at 20 C: water, 0.998g/cm3...Ch. 1 - To determine the approximate mass of a small...Ch. 1 - The density of aluminum is 2.70 g/ cm3. A square...Ch. 1 - The angle iron pictured here is made of steel with...Ch. 1 - In normal blood, there are about 5.4109 red blood...Ch. 1 - A technique once used by geologists to measure the...Ch. 1 - In a class of 76 students, the results of...Ch. 1 - A class of 84 students had a final grade...Ch. 1 - Prob. 65ECh. 1 - A solution containing 12.0% sodium hydroxide by...Ch. 1 - According to the rules on significant figures, the...Ch. 1 - Prob. 68IAECh. 1 - A solution used to chlorinate a home swimming pool...Ch. 1 - A standard 1.000 kg mass is to be tut from a bar...Ch. 1 - Prob. 71IAECh. 1 - Prob. 72IAECh. 1 - Magnesium occurs in seawater to the extent of 1.4...Ch. 1 - A typical rate of deposit of dust ("dustfall")...Ch. 1 - In the United States, the volume of irrigation...Ch. 1 - A Fahrenheit and a Celsius thermometer are...Ch. 1 - The accompanying illustration shows e 100.0 mL...Ch. 1 - Prob. 78IAECh. 1 - Prob. 79IAECh. 1 - A pycnometer (see Exercise 78) weighs 25.60 g...Ch. 1 - The Greater Vancouver Regional District (GVRO)...Ch. 1 - A Boeing 767 due to fly from Montreal to Edmonton...Ch. 1 - The following equation can be used to relate the...Ch. 1 - Prob. 84IAECh. 1 - A tabulation of datalists the following equation...Ch. 1 - The total volume of ice in the Antarctic is about...Ch. 1 - An empty 3.00 L bottle weighs 1.70 kg. Fled with...Ch. 1 - The filament in an incandescent light bulb is made...Ch. 1 - Blood alcohol content (BAC) is sometimes reported...Ch. 1 - In an attempt to determine any possible...Ch. 1 - Prob. 91FPCh. 1 - Prob. 92FPCh. 1 - The canoe gliding gracefully along the water in...Ch. 1 - The accompanying sketches suggest four...Ch. 1 - As mentioned on page 13, the MCO was lost because...Ch. 1 - In your own words, define or explain the following...Ch. 1 - Prob. 97SAECh. 1 - Explain the important distinctions between each...Ch. 1 - A procedure designed to test the truth or the...Ch. 1 - The fact that the volume of a fixed amount of gas...Ch. 1 - If a sample of matter cannotbe separated by...Ch. 1 - A good example of a homogeneous mixture is a. a...Ch. 1 - Compared withits mass on Earth, the mass of the...Ch. 1 - Which answer has the correct number of significant...Ch. 1 - Which two of the following masses are expressed to...Ch. 1 - Prob. 106SAECh. 1 - Prob. 107SAECh. 1 - Prob. 108SAECh. 1 - The density of water is 0.9982 g/cm2 at 20C....Ch. 1 - Two students each made four measurements of the...Ch. 1 - Prob. 111SAECh. 1 - List the blowing the order of increasing...Ch. 1 - Without doing detailed calculations, explain which...Ch. 1 - Prob. 114SAECh. 1 - Water, acompound, is a substance. Is there any...Ch. 1 - In the production of ammonia, the...Ch. 1 - Appendix E descries a useful study aid known as...
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