Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
13th Edition
ISBN: 9780134421353
Author: Karen C. Timberlake
Publisher: PEARSON
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Chapter 3.7, Problem 3.44PP
Identify each of the following changes of state as melting, freezing, sublimation, or deposition:
a. Dry ice in an ice-cream cart disappears.
b. Snow on the ground turns to liquid water.
c. Heat is removed from 125 g of liquid water at 0 °C.
d. Frost (ice) forms on the walls of a freezer unit of a refrigerator.
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5. Identify each of the following changes of state as melting, freezing, or sublimation.
a. Dry ice in an ice-cream cart disappears.
b. Snow on the ground turns to liquid water.
c. Heat is removed from 125 g of liquid water to 0°C.
6. Identify each of the following changes of state as evaporation, boiling, or
7. Calculate the heat needed at 0°C to make each of the following changes of state.
Indicate whether heat was absorbed or released.
a. calories to freeze 35 g of water.
b. calories to freeze 250 g of water.
c. kilocalories to melt 140 g of ice.
that cools from 110°C to -10°C. Indicate
5. Calculate the amount of energy given off when 13g of water at 51° C freezes to ice at 0°C.
Did a phase change occur? If so, which one? Is this endothermic or exothermic?
Chapter 3 Solutions
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Ch. 3.1 - Prob. 3.1PPCh. 3.1 - Prob. 3.2PPCh. 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 - Prob. 3.5PPCh. 3.1 - Prob. 3.6PPCh. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Describe each of the following as a physical or...Ch. 3.2 - Describe each of the following as a physical or...
Ch. 3.2 - Prob. 3.11PPCh. 3.2 - What type of change, physical or chemical, takes...Ch. 3.2 - Describe each property of the element fluorine as...Ch. 3.2 - Describe each property of the element zirconium as...Ch. 3.3 - Prob. 3.15PPCh. 3.3 - Prob. 3.16PPCh. 3.3 - Prob. 3.17PPCh. 3.3 - Calculate the unknown temperature in each of the...Ch. 3.3 - Prob. 3.19PPCh. 3.3 - a. Water is heated to 145 °F. What is the...Ch. 3.4 - Discuss the changes in the potential and kinetic...Ch. 3.4 - Prob. 3.22PPCh. 3.4 - Indicate whether each of the following statements...Ch. 3.4 - Prob. 3.24PPCh. 3.4 - Convert each of the following energy units: a....Ch. 3.4 - Prob. 3.26PPCh. 3.4 - The energy needed to keep a 75-wattlight bulb...Ch. 3.4 - Prob. 3.28PPCh. 3.5 - Calculate the kilocalories for each of the...Ch. 3.5 - Calculate the kilocalories for each of the...Ch. 3.5 - Using the energy values for foods (see TABLE3.7),...Ch. 3.5 - Using the energy values for foods (see TABLE3.7),...Ch. 3.5 - Prob. 3.33PPCh. 3.5 - Prob. 3.34PPCh. 3.5 - Prob. 3.35PPCh. 3.5 - Prob. 3.36PPCh. 3.6 - If the same amount of heat is supplied to samples...Ch. 3.6 - Substances A and B are the same mass and at the...Ch. 3.6 - Use the heat equation to calculate the energy for...Ch. 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 - Use the heat equation to calculate the energy, in...Ch. 3.7 - Identify each of the following changes of state as...Ch. 3.7 - Identify each of the following changes of state as...Ch. 3.7 - Calculate the heat change at 0 °C for each of the...Ch. 3.7 - Prob. 3.46PPCh. 3.7 - Identify each of the following changes of state as...Ch. 3.7 - Identify each of the following changes of state as...Ch. 3.7 - Prob. 3.49PPCh. 3.7 - 3.50 Calculate the heat change at 100 °C for each...Ch. 3.7 - Prob. 3.51PPCh. 3.7 - Prob. 3.53PPCh. 3.7 - Prob. 3.54PPCh. 3.7 - Prob. 3.55PPCh. 3.7 - Prob. 3.56PPCh. 3.7 - Prob. 3.57PPCh. 3.7 - Prob. 3.58PPCh. 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 - Calculate the energy to heat two cubes (gold and...Ch. 3 - Calculate the energy to heat two cubes (silver and...Ch. 3 - Prob. 3.69UTCCh. 3 - Prob. 3.70UTCCh. 3 - Prob. 3.71APPCh. 3 - Prob. 3.72APPCh. 3 - Prob. 3.73APPCh. 3 - Prob. 3.74APPCh. 3 - Prob. 3.75APPCh. 3 - Prob. 3.76APPCh. 3 - Prob. 3.77APPCh. 3 - Prob. 3.78APPCh. 3 - Prob. 3.79APPCh. 3 - Prob. 3.80APPCh. 3 - Prob. 3.81APPCh. 3 - Calculate each of the following temperatures in...Ch. 3 - What is 15 °F in degrees Celsius and in kelvins?...Ch. 3 - Prob. 3.84APPCh. 3 - A 0.50-g sample of vegetable oil is placed in a...Ch. 3 - A 1.3-g sample of rice is placed in a calorimeter....Ch. 3 - On a hot day, the beach sand gets hot but the...Ch. 3 - On a hot sunny day, you get out of the swimming...Ch. 3 - Prob. 3.89APPCh. 3 - Prob. 3.90APPCh. 3 - The melting point of dibromomethane is 53 °C and...Ch. 3 - Prob. 3.92APPCh. 3 - Prob. 3.93APPCh. 3 - Prob. 3.94APPCh. 3 - Prob. 3.95APPCh. 3 - Prob. 3.96APPCh. 3 - Prob. 3.97CPCh. 3 - A 45-g piece of ice at 0.0 °C is added to a sample...Ch. 3 - Prob. 3.99CPCh. 3 - Prob. 3.100CPCh. 3 - Prob. 3.101CPCh. 3 - A 115-g sample of steam at 100 °C is emitted from...Ch. 3 - Prob. 3.103CPCh. 3 - 3.104 A 125-g piece of metal is heated to 288 °C...Ch. 3 - A metal is thought to be titanium or aluminum....Ch. 3 - 3.106 A metal is thought to be copper or gold....Ch. 3 - Gold, one of the most sought-after metals in the...Ch. 3 - The mileage for a motorcycle with a fuel-tank...Ch. 3 - Answer the following for water samples A and B...Ch. 3 - Prob. 4CICh. 3 - Prob. 5CICh. 3 - Prob. 6CI
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- Which statement is true about the particles of a solid when the solid changes into a liquid? A. They stop vibrating. B. Their kinetic energy increases. C. They move closer to each other. D. The attractive force between them increasesarrow_forwardd 10 The processes of melting and evaporation involve changes in the of a substance.arrow_forward6. What do heating and cooling curves show about a given substance? A. Chemical change B. Energy change C. Phase change D. Temperature change 7. The temperature at which a substance changes from a gas to a liquid is called the A. Condensation point B. Freezing point C. Melting point D. Vaporization pointarrow_forward
- Cc.34.arrow_forwardWhich is NOT directly attributable of property of water? A. The top of a lake freezing B. The nutrients can dissolve and chemical reactions can occean. C. A small insect’s ability to walk on water D. The low boiling point of waterarrow_forward1. Label the phases A to B, C to D, and E to F on the graph. C A. Heat (J) Temperature (°C)arrow_forward
- Which corresponds with the image attached? A. Liquid B. Crystalline Solid C. Gas D. Amorphous Solidarrow_forwardIdentify the type of phase change described in each process. Molten aluminum poured into a mold cools to form a solid object. A block of dry ice gradually becomes foglike at room temperature. A soldering iron prepares liquid solder from solid metal. The is left off a bottle of acetone and the smell fills the room. сap A scoop of ice cream begins to drip in the hot sun. A drop of mercury on the lab bench disappears over time. Beads of water form on a cold drinking glass. Answer Bank melting freezing condensation sublimation evaporationarrow_forwardIntroductionarrow_forward
- Identify the property of water that explains why these phenomena happen. 1. The water in swimming pool remains cool even in summer. 2.Ice floats in a glass of water.3. The evaporation of sweat, cools the body to maintain a steady temperature. 4. Beading of water on a waxed car.5. Bubbles of vapor form within the liquid and rise to the surface.arrow_forwardMultiple choice questions 1.sublimation is a change from a A.solid to liquid B.gas to a liquid C.solid to a gas D.liquid to a solid 2.A wet shirt is put on a clothesline to dry on a sunny day.The shirt dries because water molecule A.gain heat energy and condense B.gain heat energy and evaporate C.lose heat energy and condense D.lose heat and evaporate 5.A student crumples up a sheet of paper.which property of the paper has changed A.colour B.mass C.state D.shape 6.Which of the following description depicts a liquid? A.Holds it's shape,fixed volume B.Takes shape of it's container and is the volume of the container C.Takes the shape of it's container, free surface and fixed volume 7.Which observation would be evidence that the water is undergoing a phase change? A.Waves form on the top of the pond B.Water soaks into the wet sand C.The water splashes out of the swimming pool D.The water level in the glass of water decreases 8.Which of these substances are elements A.Hydrochloric acid and…arrow_forwardAt what combination of temperatures and pressures does a substance behave as a supercritical fluid? A. There are many different temperatures and pressures at which supercritical fluids exist. B. low temperature, low pressure C. high temperature, high pressure D. low temperature, high pressure E. high temperature, low pressurearrow_forward
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