Chemistry: The Molecular Nature of Matter
7th Edition
ISBN: 9781118516461
Author: Neil D. Jespersen, Alison Hyslop
Publisher: WILEY
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Textbook Question
Chapter 6, Problem 21RQ
What do the terms system and surroundings mean? What is the difference between an isolated system and a closed system? What is the universe in terms of
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Control Chart Drawing Assignment
The table below provides the number of alignment errors observed during the final inspection of
a certain model of airplane. Calculate the central, upper, and lower control limits for the c-chart
and draw the chart precisely on the graph sheet provided (based on 3-sigma limits).
Your chart should include a line for each of the control limits (UCL, CL, and LCL) and the
points for each observation. Number the x-axis 1 through 25 and evenly space the numbering for
the y-axis. Connect the points by drawing a line as well. Label each line drawn.
Airplane
Number
Number of
alignment
errors
201
7
202
6
203
6
204
7
205
4
206
7
207
8
208
12
209
9
210
9
211
8
212
5
213
5
214
9
215
8
216
15
217
6
218
4
219
13
220
7
221
8
222
15
223
6
224
6
225
10
Collagen is used to date artifacts. It has a rate constant = 1.20 x 10-4 /years. What is the half life of collagen?
Chapter 6 Solutions
Chemistry: The Molecular Nature of Matter
Ch. 6 - Prob. 1PECh. 6 - Prob. 2PECh. 6 - When monitoring a reaction, the initial...Ch. 6 - Practice Exercise 6.4
A hall bearing at is...Ch. 6 - Prob. 5PECh. 6 - Silicon, used in computer chips, has a specific...Ch. 6 - Would the explosive reaction of hydrogen and...Ch. 6 - Practice Exercise 6.8
When ammonium nitrate is...Ch. 6 - An exothermic reaction is carried out at a...Ch. 6 - For an exothermic reaction that is conducted under...
Ch. 6 - Since it can be obtained in very high purity,...Ch. 6 - A 1.50 g sample of pure sucrose is burned in a...Ch. 6 - For the Analyzing and Solving Multi-Concept...Ch. 6 - Practice Exercise 6.14
The exact same procedure as...Ch. 6 - The combustion of methane can be represented by...Ch. 6 - Practice Exercise 6.16
What is the thermochemical...Ch. 6 - Two oxides of copper can be made from copper by...Ch. 6 - Consider the following thermochemical...Ch. 6 - Given the following thermochemical equations,...Ch. 6 - Ethanol, C2H5OH, is made industrially by the...Ch. 6 - Practice Exercise 6.21
The heat of combustion, ,...Ch. 6 - Practice Exercise 6.22
n-Octane, , has a standard...Ch. 6 - Write the thermochemical equation that would be...Ch. 6 - Write the thermochemical equation that would be...Ch. 6 - Use heats of formation data from Table 6.2 to...Ch. 6 - Write thermochemical equations corresponding to Hf...Ch. 6 - Calculate H for the following reactions:...Ch. 6 - Give definitions for (a) energy, (b) kinetic...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - 6.4 State the law of conservation of energy....Ch. 6 - 6.5 A pendulum such as a swinging chandelier...Ch. 6 - Prob. 6RQCh. 6 - 6.7 What is meant by the term chemical energy?
Ch. 6 - How does the potential energy change (increase,...Ch. 6 - What is the SI unit of energy? How much energy (in...Ch. 6 - 6.10 Why is hear considered a waste product in a...Ch. 6 - Prob. 11RQCh. 6 - 6.12 How is internal energy related to molecular...Ch. 6 - On a molecular level, how is thermal equilibrium...Ch. 6 - Consider the distribution of molecular kinetic...Ch. 6 - Suppose the temperature of an object is raised...Ch. 6 - A quart of boiling water will cause a more severe...Ch. 6 - Prob. 17RQCh. 6 - What is a state function? Give four examples that...Ch. 6 - How would you determine whether an experimental...Ch. 6 - 6.20 How can the state of a system be specified?
Ch. 6 - 6.21 What do the terms system and surroundings...Ch. 6 - What are the names of the thermal properties whose...Ch. 6 - 6.23 For samples with the same mass, which kind of...Ch. 6 - 6.24 How do heat capacity and specific hear...Ch. 6 - Prob. 25RQCh. 6 - 6.26 Suppose object A has twice the specific heat...Ch. 6 - In a certain chemical reaction, there is a...Ch. 6 - 6.28 What term do we use to describe a reaction...Ch. 6 - 6.29 What term is used to describe a reaction that...Ch. 6 - 6.30 When gasoline burns, it reacts with oxygen in...Ch. 6 - Write the equation that states the first law of...Ch. 6 - How are heat and work defined?Ch. 6 - Devise an example, similar to the one described in...Ch. 6 - 6.34 Why are heat and work not state functions?
Ch. 6 - When we measure the heat of combustion of glucose,...Ch. 6 - Consider the reaction...Ch. 6 - How is enthalpy defined?Ch. 6 - What is the sign of H for an endothermic change?Ch. 6 - 6.39 If the enthalpy of a system increases by 100...Ch. 6 - If a system containing gases expands and pushes...Ch. 6 - 6.41 Why do standard reference values for...Ch. 6 - What distinguishes a thermochemical equation from...Ch. 6 - Why are fractional coefficients permitted in a...Ch. 6 - 6.44 What fundamental fact about makes Hess’s law...Ch. 6 - 6.45 What two conditions must be met by a...Ch. 6 - Describe what must be done with the standard...Ch. 6 - What two additional thermochemical equations are...Ch. 6 - Peptides, small parts of proteins, contain...Ch. 6 - If a car increases its speed from 30 mph to 60...Ch. 6 - 6.50 If the mass of a truck is doubled—for...Ch. 6 - 6.51 What is the kinetic energy, in joules, of a...Ch. 6 - What is the kinetic energy, in joules, of a...Ch. 6 - How much heat, in joules and in calories, must be...Ch. 6 - 6.54 How much heat, in joules and calories, is...Ch. 6 - How many grams of water can be heated from...Ch. 6 - 6.56 How many grams of copper can be cooled from ...Ch. 6 - A 50.0 g piece of a metal at 100.0C was plunged...Ch. 6 - 6.58 A sample of copper was heated to and then...Ch. 6 - 6.59 Calculate the molar heat capacity of iron in...Ch. 6 - 6.60 What is the molar heat capacity of ethyl...Ch. 6 - A vat of 4.54 kg of water underwent a decrease in...Ch. 6 - A container filled with 2.46 kg of water underwent...Ch. 6 - 6.63 Nitric acid neutralizes potassium hydroxide....Ch. 6 - In the reaction between formic acid (HCHO2) and...Ch. 6 - 6.65 A 1.000 mol sample of propane, a gas used for...Ch. 6 - Toluene, C7H8, is used in the manufacture of...Ch. 6 - If a system does 4$ J of work and receives 28 J of...Ch. 6 - If a system has 48 J of work done on it and...Ch. 6 - An automobile engine converts heat into work via a...Ch. 6 - Chargers for cell phones get warm while they are...Ch. 6 - If the engine in Problem 6.69 absorbs 250 joules...Ch. 6 - If a battery can release 535 J of energy and 455 J...Ch. 6 - Ammonia reacts with oxygen as follows:...Ch. 6 - One thermochemical equation for the reaction of...Ch. 6 - Magnesium bums in air to produce a bright light...Ch. 6 - Methanol is the fuel in canned heat containers...Ch. 6 - Methane burns with oxygen to produce carbon...Ch. 6 - Methanol, as described in Problem 6.76, is used to...Ch. 6 - *6.79 Construct an enthalpy diagram that shows the...Ch. 6 - *6.80 Construct an enthalpy diagram for the...Ch. 6 - Show how the equations...Ch. 6 - 6.82 We can generate hydrogen chloride by heating...Ch. 6 - Calculate H in kilojoules for the following...Ch. 6 - Calcium hydroxide reacts with hydrochloric acid by...Ch. 6 - Given the following thermochemical equations,...Ch. 6 - 6.86 Given the following thermochemical...Ch. 6 - Given the following thermochemical equations,...Ch. 6 - Given the following thermochemical equations,...Ch. 6 - Which of the following thermochemical equations...Ch. 6 - Which of the following thermochemical equations...Ch. 6 - Write the thermochcmical equations, including...Ch. 6 - Write the thermochemical equations, including...Ch. 6 - Using data in Table 6.2, calculate H in kilojoules...Ch. 6 - 6.94 Using data in Table 6.2, calculate in...Ch. 6 - The value for the standard heat of combustion, H...Ch. 6 - The thermochemical equation for the combustion of...Ch. 6 - 6.97 Look at the list of substances in Table 6.1....Ch. 6 - *6.98 A dilute solution of hydrochloric acid with...Ch. 6 - A 2.00 kg piece of granite with a specific heat of...Ch. 6 - In the recovery of iron from iron ore, the...Ch. 6 - Use the results of Problem 6.100 and the data in...Ch. 6 - 6.102 The amino acid glycine, , is one of the...Ch. 6 - The value of Hf for HBr(g) was first evaluated...Ch. 6 - Acetylene, C2H2, is a gas commonly burned in...Ch. 6 - The reaction for the metabolism of sucrose,...Ch. 6 - Consider the following thermochemical...Ch. 6 - 6.107 Chlorofluoromethanes (CFMs) are carbon...Ch. 6 - Prob. 108RQCh. 6 - Suppose a truck with a mass of 14.0 tons...Ch. 6 - How much work must be done to form one mole of CH4...Ch. 6 - A cold -15C piece of copper metal weighing 7.38 g...Ch. 6 - Both Na2CO3 and NaHCO3 can be used to neutralize...Ch. 6 - *6.113 When 4.56 g of a solid mixture composed of ...Ch. 6 - Using the results from Analyzing and Solving...Ch. 6 - *6.115 For ethanol, , which is mixed with gasoline...Ch. 6 - Both calcium and potassium react with water to...Ch. 6 - 6.117 As a routine safety procedure, acids and...Ch. 6 - In an experiment, 95.0 mL of 0.225 M silver...Ch. 6 - 6.119 Growing wheat and converting it into bread...Ch. 6 - Suppose we compress a spring, tie it up tightly,...Ch. 6 - Prob. 121RQCh. 6 - Why do we usually use H rather than E when we...Ch. 6 - Prob. 123RQCh. 6 - 6.124 Find the heats of formation of some...Ch. 6 - Prob. 125RQ
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- יווי 10 20 30 40 50 60 70 3.5 3 2.5 2 1.5 1 [ppm] 3.5 3 2.5 2 1.5 1 6 [ppm] 1 1.5 -2.5 3.5arrow_forward2H2S(g)+3O2(g)→2SO2(g)+2H2O(g) A 1.2mol sample of H2S(g) is combined with excess O2(g), and the reaction goes to completion. Question Which of the following predicts the theoretical yield of SO2(g) from the reaction? Responses 1.2 g Answer A: 1.2 grams A 41 g Answer B: 41 grams B 77 g Answer C: 77 grams C 154 g Answer D: 154 grams Darrow_forwardPart VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the compound. Find the structure. Show complete solutions. Predicted 1H NMR Spectrum 4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 f1 (ppm) Predicted 13C NMR Spectrum 100 f1 (ppm) 30 220 210 200 190 180 170 160 150 140 130 120 110 90 80 70 -26 60 50 40 46 30 20 115 10 1.0 0.9 0.8 0 -10arrow_forward
- Nonearrow_forward4. Draw and label all possible isomers for [M(py)3(DMSO)2(CI)] (py = pyridine, DMSO dimethylsulfoxide).arrow_forwardThe emission data in cps displayed in Table 1 is reported to two decimal places by the chemist. However, the instrument output is shown in Table 2. Table 2. Iron emission from ICP-AES Sample Blank Standard Emission, cps 579.503252562 9308340.13122 Unknown Sample 343.232365741 Did the chemist make the correct choice in how they choose to display the data up in Table 1? Choose the best explanation from the choices below. No. Since the instrument calculates 12 digits for all values, they should all be kept and not truncated. Doing so would eliminate significant information. No. Since the instrument calculates 5 decimal places for the standard, all of the values should be limited to the same number. The other decimal places are not significant for the blank and unknown sample. Yes. The way Saman made the standards was limited by the 250-mL volumetric flask. This glassware can report values to 2 decimal places, and this establishes our number of significant figures. Yes. Instrumental data…arrow_forward
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