Study Guide for Chemistry: The Central Science

13th Edition

ISBN: 9780321949288

Author: Theodore E. Brown, James C. Hill

Publisher: PEARSON

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Textbook Question

Chapter 11, Problem 42E

Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops using an unusual (and imaginary) unit called the warmomb (wa). The scientist obtains the following data for four of the drops:

Droplet Calculated Charge (wa)
Chapter 11, Problem 42E, Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops , example 1

A 3.84 x 10^-8
B 4.80 x 10^-8
C 2.88 x 10^-8
D 8.64 x 10^-8
Chapter 11, Problem 42E, Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops , example 2

If all the droplets were the same size, which would fall most slowly through the apparatus?'
From these data, what is the best choice for the charge of the electron in warmombs?
Based on your answer to part (b), how many electrons are there on each of the droplets?
What is the conversion factor between warmombs and coulombs?

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Chapter 11, Problem 41E

Chapter 11, Problem 43E

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Chapter 11 Solutions

Study Guide for Chemistry: The Central Science

Ch. 11.2 - Only two isotopes of copper occur naturally:63Cu...Ch. 11.2 - 2.36 Rubidium has two naturally occurring...Ch. 11.3 - a. Thomson’s cathode-ray tube (Figure 2.49) and...Ch. 11.3 - 2.38 Consider the mass spectrometer shown in...Ch. 11.4 - Naturally occurring magnesium has the following...Ch. 11.4 - Mass spectrometry is more often applied to...Ch. 11.5 - 2-41 For each of the following elements, write its...Ch. 11.5 - Locate each of the following elements in the...Ch. 11.6 - 2-43 For each of the following elements, write its...Ch. 11.6 - 2.44 The elements of group 4A show an interesting...

Ch. 11.7 - 2.45 The structural formulas of the compounds...Ch. 11.7 - 2.46 Ball-and-stick representations of benzene, a...Ch. 11 - Prob. 1DE Ch. 11 - 2.59 Using the periodic table to guide you,...Ch. 11 - 2.71 Name the following ionic compounds: a....Ch. 11 - 2.83 What is a functional group? What functional...Ch. 11 - The element lead (Pb) consists of four naturally...Ch. 11 - Prob. 5E Ch. 11 - The molecules have the same molecular formula...Ch. 11 - A sample of an ionic compound containing iron and...Ch. 11 - The compound dioxane, which is used as a solvent...Ch. 11 - If 3.00 g of titanium metal is reacted with 6.00 g...Ch. 11 - 2.48 Two substances have the same molecular and...Ch. 11 - 2.49 Write the empirical formula corresponding to...Ch. 11 - Determine the molecular and empirical formulas of...Ch. 11 - 251 How many hydrogen atoms are un each of the...Ch. 11 - Prob. 14E Ch. 11 - 253 Write the molecular and structural formulas...Ch. 11 - 2-54 Write the molecular and structural formulas...Ch. 11 - Fill in the gaps in the following table’Ch. 11 - 2.56 Fill in the gaps in the following...Ch. 11 - Prob. 19E Ch. 11 - Prob. 20E Ch. 11 - Predict the chemical formulas of the compounds...Ch. 11 - Prob. 22E Ch. 11 - Prob. 23E Ch. 11 - Predict whether each of the following compounds is...Ch. 11 - 2.66 Which of the following are ionic, and which...Ch. 11 - Prob. 26E Ch. 11 - Prob. 27E Ch. 11 - 2.69 Give the names and charges of the cation and...Ch. 11 - Give the names and charges of the cation and anion...Ch. 11 - Prob. 30E Ch. 11 - Give the chemical formula for each of the...Ch. 11 - 2.75 Give the name or chemical formula, as...Ch. 11 - Prob. 33E Ch. 11 - 2.T Give the name or Chemical formula, as...Ch. 11 - Prob. 35E Ch. 11 - Prob. 36E Ch. 11 - Assume that you encounter the following sentences...Ch. 11 - a. What is a hydrocarbon? b. Pentane is the alkane...Ch. 11 - Prob. 39E Ch. 11 - 2.85 Chloropropane is derived from propane by...Ch. 11 - Prob. 41E Ch. 11 - Suppose a scientist repeats the Millikan oil-drop...Ch. 11 - 2.88 The natural abundance of 3He is...Ch. 11 - A cube of gold that is 1.00 cm on a side has a...Ch. 11 - 2.90 The diameter of a rubidium atom is 4.95 A....Ch. 11 - 2.91 Assuming the dimensions of the nucleus and...Ch. 11 - (a) What is the significance of the critical...Ch. 11 - 2.93 The nucleus of 6Li is a powerful absorber of...Ch. 11 - The element oxygen has three naturally occurring...Ch. 11 - Using a suitable reference such as the CRC...Ch. 11 - There are two different isotopes of bromine atoms....Ch. 11 - 2.99 It is common in mass spectrometry to assume...Ch. 11 - From the following list of elements—Ar, H, Ga, Al,...Ch. 11 - Prob. 54E Ch. 11 - 2.102 The explosion of an atomic bomb releases...Ch. 11 - Prob. 56E Ch. 11 - Prob. 57E Ch. 11 - 2.105 From the molecular structures shown here,...Ch. 11 - 2.106 Name each of the following oxides. Assuming...Ch. 11 - Prob. 60E Ch. 11 - Prob. 61E Ch. 11 - Give the chemical names of each of the following...Ch. 11 - 2.112 Many familiar substances have common,...Ch. 11 - 2.113 Because many ions and compounds have very...Ch. 11 - 2.114 In what part of the atom does the strong...Ch. 11 - In the following diagram, the white spheres...Ch. 11 - In the following digram, the white spheres...Ch. 11 - Prob. 68E Ch. 11 - Balance these equations by providing the missing...Ch. 11 - Write the balanced equation for the reaction that...Ch. 11 - Prob. 71E Ch. 11 - Which of the following is the correct formula...Ch. 11 - Prob. 73AE Ch. 11 - Prob. 74AE Ch. 11 - Calculate the percentage of potassium by mass in...Ch. 11 - Which of the following samples contains the fewest...Ch. 11 - In dichloromethane, CH2Cl2 (= 1.60D)), the...Ch. 11 - Prob. 78AE Ch. 11 - How many oxygen atoms are in (a) 0.25 mol...Ch. 11 - Prob. 80AE Ch. 11 - Prob. 81AE Ch. 11 - What is the mass, in grams, of 6.33 mol of NaHC03...Ch. 11 - What is the mass, in grams, of (a) 0.50 mol of...Ch. 11 - How many chlorine atoms are in 12.2 g of CCL4? a....Ch. 11 - a. How many nitric acid molecules are in 4.20 g...Ch. 11 - A 2.144-g sample of phosgene, a compound used as a...Ch. 11 - A 5.325-g sample of methyl benzoate, a compound...Ch. 11 - Cyclohexane a commonly used organic solvent, is...Ch. 11 - Prob. 89AE Ch. 11 - Prob. 90IE Ch. 11 - Decomposition of KCIO3 is sometimes used to...Ch. 11 - Propane, C3 H8 (Figure 3.8), is a common fuel used...Ch. 11 - Methanol, CH3OH, reacts with oxygen from air in a...Ch. 11 - When 24 mol of methanol and 15 mol of oxygen...Ch. 11 - a. When 1.50 mol of Al and 3.00 mol of Cl2 combine...Ch. 11 - Molten gallium reacts with arsenic to form the...Ch. 11 - When a 2.00-g strip of zinc metal is placed in...

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