(a)
Interpretation:
Whether the statement “Each year after 1950 had an average global temperature higher than 1901-2000 average temperature” is true or false should be determined.
Concept introduction:
Earth is the planet that holds a variety of climates ranges from extreme cold at poles and heat at the equator. The global climate can be said as an average of regional climates. The history shows that the global climate gets cooled and also gets warm. The diverse climate such as extreme cold, sunny, dry, windy, and humid of the earth occurs because the earth revolves around the sun.
(b)
Interpretation:
Whether the statement “average global temperature before 1940was lower than 1901-2000 average temperature” is true or false should be determined.
Concept introduction:
Earth is the planet that holds a variety of climates ranges from extreme cold at poles and heat at the equator. The global climate can be said as an average of regional climates. The history shows that the global climate gets cooled and also gets warm. The diverse climate such as extreme cold, sunny, dry, windy, and humid of the earth occurs because the earth revolves around the sun.
(c)
Interpretation:
Whether the statement “the warming in the time period 1970-2015 occurred at a faster rate than in time period 1900-1950” is true or false should be determined.
Concept introduction:
Earth is the planet that holds a variety of climates ranges from extreme cold at poles and heat at the equator. The global climate can be said as an average of regional climates. The history shows that the global climate gets cooled and also gets warm. The diverse climate such as extreme cold, sunny, dry, windy, and humid of the earth occurs because the earth revolves around the sun.
d)
Interpretation:
Whether the statement “a cooling trend is shown between 1880 to 1910” is true or false should be determined.
Concept introduction:
Earth is the planet that holds a variety of climates ranges from extreme cold at poles and heat at the equator. The global climate can be said as an average of regional climates. The history shows that the global climate gets cooled and also gets warm. The diverse climate such as extreme cold, sunny, dry, windy, and humid of the earth occurs because the earth revolves around the sun.
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
LCPO CHEMISTRY W/MODIFIED MASTERING
- Explain why oceanfront areas generally have smaller temperature fluctuations than inland areas.arrow_forwardIf 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase?arrow_forwardNatural gas companies in the United States use the therm as a unit of energy. One therm is 1105 BTU. (a) How many joules are in one therm? (1J=9.48104BTU) (b) When propane gas, C3H8, is burned in oxygen, CO2 and steam are produced. How many therms of energy are given off by 1.00 mol of propane gas?arrow_forward
- (a) A 2-inch piece of two-layer chocolate cake with frosting provides 1670 kJ of energy. What is this in Cal? (b) If you were on a diet that calls for eating no more than 1200 Cal per day, how many joules would you consume per day?arrow_forwardConsider the two spheres shown here, one made of silver andthe other of aluminum. (a) What is the mass of each spherein kg? (b) The force of gravity acting on an object is F = mg,where m is the mass of an object and g is the acceleration ofgravity (9.8 m/s2). How much work do you do on each sphereit you raise it from the floor to a height of 2.2 m? (c) Does theact of lifting the sphere off the ground increase the potentialenergy of the aluminum sphere by a larger, smaller, orsame amount as the silver sphere? (d) If you release thespheres simultaneously, they will have the same velocitywhen they hit the ground. Will they have the same kineticenergy? If not, which sphere will have more kinetic energy?[Section 1.4]arrow_forwardConsider the two spheres shown here, one made of silver andthe other of aluminum. (a) What is the mass of each spherein kg? (b) The force of gravity acting on an object is F = mg,where m is the mass of an object and g is the acceleration ofgravity (9.8 m/s2). How much work do you do on each sphereit you raise it from the floor to a height of 2.2 m? (c) Does theact of lifting the sphere off the ground increase the potentialenergy of the aluminum sphere by a larger, smaller, orsame amount as the silver sphere? (d) If you release thespheres simultaneously, they will have the same velocitywhen they hit the ground. Will they have the same kineticenergy? If not, which sphere will have more kinetic energy?arrow_forward
- When organic matter decomposes under oxygen-free (anaerobic) conditions, methane is one of the products. Thus, enormous deposits of natural gas, which is almost entirely methane, serve as a major source of fuel for home and industry.(a) Known deposits of natural gas can produce 5600 EJ of energy (1 EJ = 1018 J). Current total global energy usage is 4.0×102 EJ per year. Find the mass (in kg) of known deposits of natural gas (ΔH°rxn for the combustion of CH4 = -802 kJ/mol).(b) At current rates of usage, for how many years could these deposits supply the world’s total energy needs?(c) What volume (in ft3) of natural gas, measured at STP, is required to heat 1.00 qt of water from 25.0°C to 100.0°C (d of H2O = 1.00 g/mL; d of CH4 at STP = 0.72 g/L)?(d) The fission of 1 mol of uranium (about 4×10-4 ft3) in a nuclear reactor produces 2×1013 J. What volume (in ft3) of natural gas would produce the same amount of energy?arrow_forwardA 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a calorimeter. The initially temperature of water is 25.00°C and the final temperature of water and metal is 28.72°C. Ignoring the heat absorbed by the calorimeter, calculate the specific heat of metal. (A) 0.265 J . g–1 . K–1 (B) 0.385 J . g–1 . K–1 (C) 0.561 J . g–1 . K–1 (D) 1.78 J . g–1 . K–1arrow_forwardThe temperature of a Sample of Kris Changed, causing a charge in volume, from 253, 5cm³ to 143,3cm 3. If its New temperature is 156.25le, what was its original temperature in degree celcuns?!arrow_forward
- 5.141 The average temperature in deserts is high during theday but quite cool at night, whereas that in regions alongthe coastline is more moderate. Explain.arrow_forward(a) If a glove with a mass of 78.0 grams composed of cotton increases in temperature by 16.7 °F, how much energy was absorbed by the glove?arrow_forwardA 39 g aluminum spoon (specific heat 0.904 J/g-°C) at 25°C is placed in 178 mL (177 g) of coffee at 84°C and the temperature of the two become equal. (a) What is the final temperature (in °C) when the two become equal? (Assume that coffee has the same specific heat as water, 4.1801 J/g.°C.) 4.0 °C (b) The first time a student solved this problem she got an answer of 87°C. Explain why this is clearly an incorrect answer. O The temperature of the spoon should decrease when it is exposed to the coffee. O Coffee is always lukewarm by the time you get around to drink it, and so is the spoon. O The temperature of the coffee cannot increase when a colder spoon is placed in it. O The student forgot to convert the temperature to kelvins when working this problem. Supporting Materials Periodic Table Constants and Supplemental Data Factors Additional Materials ASection 5 2 Show My Work (Required) 3 Uploaded File (10 le m What steps or reasoning did you use? Your work counts towards your score.…arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning