General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
5th Edition
ISBN: 9780321967466
Author: Karen C. Timberlake
Publisher: PEARSON
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Chapter 3.2, Problem 3.12QAP
What type of change, physical or chemical, takes place in each of the following?
- Pie dough is rolled into thin pieces for a crust.
- A silver pin tarnishes in the air.
- A tree is cut into boards at a saw mill.
- Food is digested.
- A chocolate bar melts.
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Chapter 3 Solutions
General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - 3.5 Classify each of the following mixtures as...Ch. 3.1 - Classify each of the following mixtures as...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Prob. 3.9QAPCh. 3.2 - Describe each of the following as a physical or...
Ch. 3.2 - Prob. 3.11QAPCh. 3.2 - What type of change, physical or chemical, takes...Ch. 3.2 - Prob. 3.13QAPCh. 3.2 - Describe each property of the element zirconium as...Ch. 3.3 - Prob. 3.15QAPCh. 3.3 - Prob. 3.16QAPCh. 3.3 - Prob. 3.17QAPCh. 3.3 - Prob. 3.18QAPCh. 3.3 - Prob. 3.19QAPCh. 3.3 - Prob. 3.20QAPCh. 3.4 - Discuss the changes in the potential and kinetic...Ch. 3.4 - Prob. 3.22QAPCh. 3.4 - Prob. 3.23QAPCh. 3.4 - Prob. 3.24QAPCh. 3.4 - Prob. 3.25QAPCh. 3.4 - Prob. 3.26QAPCh. 3.5 - Calculate the kilocalories for each of the...Ch. 3.5 - Prob. 3.28QAPCh. 3.5 - Using the energy values for foods (see Table 3.7),...Ch. 3.5 - Prob. 3.30QAPCh. 3.5 - Prob. 3.31QAPCh. 3.5 - Prob. 3.32QAPCh. 3.5 - Prob. 3.33QAPCh. 3.5 - Prob. 3.34QAPCh. 3.6 - If the same amount of heat is supplied to samples...Ch. 3.6 - Prob. 3.36QAPCh. 3.6 - Prob. 3.37QAPCh. 3.6 - Use the heat equation to calculate the energy for...Ch. 3.6 - Use the heat equation to calculate the energy. in...Ch. 3.6 - Prob. 3.40QAPCh. 3.7 - Prob. 3.41QAPCh. 3.7 - Prob. 3.42QAPCh. 3.7 - Prob. 3.43QAPCh. 3.7 - Prob. 3.44QAPCh. 3.7 - Prob. 3.45QAPCh. 3.7 - Prob. 3.46QAPCh. 3.7 - Prob. 3.47QAPCh. 3.7 - Prob. 3.48QAPCh. 3.7 - Prob. 3.49QAPCh. 3.7 - Prob. 3.50QAPCh. 3.7 - Using the values for the heat of fusion, specific...Ch. 3.7 - Prob. 3.52QAPCh. 3.7 - Prob. 3.53QAPCh. 3.7 - Prob. 3.54QAPCh. 3.7 - Prob. 3.55QAPCh. 3.7 - Prob. 3.56QAPCh. 3 - Prob. 3.57UTCCh. 3 - Prob. 3.58UTCCh. 3 - Prob. 3.59UTCCh. 3 - Prob. 3.60UTCCh. 3 - Prob. 3.61UTCCh. 3 - Prob. 3.62UTCCh. 3 - Prob. 3.63UTCCh. 3 - Prob. 3.64UTCCh. 3 - Prob. 3.65UTCCh. 3 - Prob. 3.66UTCCh. 3 - Prob. 3.67UTCCh. 3 - Prob. 3.68UTCCh. 3 - Prob. 3.69AQAPCh. 3 - Prob. 3.70AQAPCh. 3 - Prob. 3.71AQAPCh. 3 - Prob. 3.72AQAPCh. 3 - Prob. 3.73AQAPCh. 3 - Prob. 3.74AQAPCh. 3 - Prob. 3.75AQAPCh. 3 - Prob. 3.76AQAPCh. 3 - Prob. 3.77AQAPCh. 3 - Prob. 3.78AQAPCh. 3 - Prob. 3.79AQAPCh. 3 - Prob. 3.80AQAPCh. 3 - Prob. 3.81AQAPCh. 3 - Prob. 3.82AQAPCh. 3 - 3.83 On a hot day, the bleach sand gets hot but...Ch. 3 - Prob. 3.84AQAPCh. 3 - Prob. 3.85AQAPCh. 3 - Prob. 3.86AQAPCh. 3 - Prob. 3.87AQAPCh. 3 - Prob. 3.88AQAPCh. 3 - Prob. 3.89AQAPCh. 3 - Prob. 3.90AQAPCh. 3 - If you want to lose 1 lb of “body fat,” which is...Ch. 3 - Prob. 3.92AQAPCh. 3 - Prob. 3.93AQAPCh. 3 - Prob. 3.94AQAPCh. 3 - Prob. 3.95CQCh. 3 - Prob. 3.96CQCh. 3 - Prob. 3.97CQCh. 3 - Prob. 3.98CQCh. 3 - Prob. 3.99CQCh. 3 - Prob. 3.100CQCh. 3 - Prob. 3.101CQCh. 3 - Prob. 3.102CQCh. 3 - Prob. 3.103CQCh. 3 - Prob. 3.104CQCh. 3 - Prob. 1CICh. 3 - Prob. 2CICh. 3 - Prob. 3CICh. 3 - Prob. 4CICh. 3 - Prob. 5CICh. 3 - Prob. 6CI
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- In each case, describe the change as a chemical or physical change. Give a reason for your choice. (a) A cup of household bleach changes the color of your favorite T-shirt from purple to pink. (b) The fuels in the space shuttle (hydrogen and oxygen) combine to give water and provide the energy to lift the shuttle into space. (c) An ice cube in your glass of lemonade melts.arrow_forwardIdentify each of the following as a physical or chemical property: -Burning of gasoline to give CO2 and water vapor -Souring of milk -Magnetizing a compass needle -Dicing potatoes into small piecesarrow_forwardCorrectly complete each of the following sentences by placing the word chemical or physical in the blank. a. The freezing over of a ponds surface is a ______ process. b. The crushing of ice to make ice chips is a ______ procedure. c. The destruction of a newspaper by burning it is a ______ process. d. Pulverizing a hard sugar cube using a mallet is a ______ procedure.arrow_forward
- Indicate whether each of the following statements describes a physical or a chemical property. a. Silver salts discolor the skin by reacting with skin protein. b. Hemoglobin molecules have a red color. c. Beryllium metal vapor is extremely toxic to humans. d. Aspirin tablets can be pulverized with a hammer.arrow_forwardClassify each of the following changes as physical or chemical. a. A newspaper page turns yellow over time. b. A rubber band breaks. c. A firecracker explodes. d. Dry ice disappears over time.arrow_forwardClassify each of the following as aphysicalorchemicalchange or property. Milk curdles if a few drops of lemon juice are added to it. Butter turns rancid if it is left exposed at room temperature. Salad dressing separates into layers after standing. Milk of magnesia neutralizes stomach acid. The steel in a car has rust spots. A person is asphyxiated by breathing carbon monoxide. Sulfuric acid spilled on a laboratory notebook page causes the paper to char and disintegrate. Sweat cools the body as the sweat evaporates from the skin. Aspirin reduces fever. Oil feels slippery. Alcohol hums, forming carbon dioxide and water.arrow_forward
- Correctly complete each of the following sentences by placing the word chemical or physical in the blank. a. Bending glass tubing using a hot flame is a ______ technique. b. The grating of a piece of cheese is a ______ procedure. c. The heating of a blue powdered material to produce a white glassy substance and a gas is a ______ process. d. Wool is spun into yarn using ______ means.arrow_forwardIndicate whether each of the following statements describes a physical or a chemical property. a. Diamonds are very hard substances. b. Gold metal does not react with nitric acid. c. Lithium metal is light enough to float on water. d. Mercury is a liquid at room temperature.arrow_forwardClassify each of the following as aphysical or chemicalchange or property. A fireplace poker glows red when you heat it in the fire. A marshmallow turns black when toasted Loo long in a campfire. Hydrogen peroxide dental strips will make your teeth whiter. If you wash your jeans with chlorine bleach, they will fade. If you spill some nail polish remover on your skin, it will evaporate quickly. When making ice cream at home, salt is added Lo lower the temperature of the ice being used to freeze the mixture. A hair clog in your bathroom sink drain can be cleared with drain cleaner. The perfume your boyfriend gave you for your birthday smells like flowers. Mothballs pass directly into the gaseous state in your closet without first melting. A log of wood is chopped up with an axe into smaller pieces of wood. A log of wood is burned in a fireplace.arrow_forward
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