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5. al At what temperature is the temperature in degrees Fahrenheit equal to twice the temperature in degrees Celsius? b) The average daytime temperatures on earth and Jupiter are 72 °F and 313 K, respectively. Calculate the difference in temperature, in C. between these two planets.

5. al At what temperature is the temperature in degrees Fahrenheit equal to twice the temperature in degrees Celsius? b) The average daytime temperatures on earth and Jupiter are 72 °F and 313 K, respectively. Calculate the difference in temperature, in C. between these two planets.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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x 100 (100 is exact) e. 9.875 x 102 5. a) At what temperature is the temperature in degrees Fahrenheit equal to twice the temperature in degrees Celsius? b) The average daytime temperatures on earth and Jupiter are 72 °F and 313 K, respectively. Calculate the difference in temperature, in C. between these two planets. 6. For a material to float on the surface of the water, the material must have a density less than that of water (1.0 g/mL) and must not react with the water or dissolve in it. A spherical ball has a radius of 0.50 cm and weighs 2.0 g. Will this ball float or sink when placed in water? (Note: Volume of a sphere r .) 7. a)Using examples, explain the difference between a physical property and a chemical property. b) Do the following statements describe chemical or physical properties? (i) Oxygen gas supports combustion. (ii) Fertilizers help to increase agricultural production. ii) Water boils below 100°C on top of a mountain. (iv) Lead is denser than aluminum. (v) Uranium is a radioactive element. c) Classify each of the following as homogeneous mixture, or a heterogeneous mixture: (i) seawater, (ii) helium gas, (iii) sodium chloride (table salt), (iv) a bottle of soft drink, (v) a milkshake, (vi) air in a bottle, (vii) concrete. an element, a compound, a 8. The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. Calculate the mass of 17.4 mL of the liquid. 9. (a) Normally the human body can endure a temperature of 105°F for only short periods of time without permanent damage to the brain and other vital organs. What is this temperature in degrees Celsius? (b) Ethylene glycol is a liquid organic compound that is used as an antifreeze in car radiators. It freezes at 211.5°C. Calculate its freezing temperature in Kelvin and degrees Fahrenheit. (c) The temperature on the surface of the sun is about 6300°C. What is this temperature in degrees Fahrenheit? (d) The ignition temperature of paper is 451°F. What is the temperature in Kelvin and degrees Celsius? SHOT ON MI9T AI TRIPLE CAMERA ©2021 SMPU-Chem. 101 Sec. 3&4-Sem. II 20/21 6.
Transcribed Image Text:x 100 (100 is exact) e. 9.875 x 102 5. a) At what temperature is the temperature in degrees Fahrenheit equal to twice the temperature in degrees Celsius? b) The average daytime temperatures on earth and Jupiter are 72 °F and 313 K, respectively. Calculate the difference in temperature, in C. between these two planets. 6. For a material to float on the surface of the water, the material must have a density less than that of water (1.0 g/mL) and must not react with the water or dissolve in it. A spherical ball has a radius of 0.50 cm and weighs 2.0 g. Will this ball float or sink when placed in water? (Note: Volume of a sphere r .) 7. a)Using examples, explain the difference between a physical property and a chemical property. b) Do the following statements describe chemical or physical properties? (i) Oxygen gas supports combustion. (ii) Fertilizers help to increase agricultural production. ii) Water boils below 100°C on top of a mountain. (iv) Lead is denser than aluminum. (v) Uranium is a radioactive element. c) Classify each of the following as homogeneous mixture, or a heterogeneous mixture: (i) seawater, (ii) helium gas, (iii) sodium chloride (table salt), (iv) a bottle of soft drink, (v) a milkshake, (vi) air in a bottle, (vii) concrete. an element, a compound, a 8. The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. Calculate the mass of 17.4 mL of the liquid. 9. (a) Normally the human body can endure a temperature of 105°F for only short periods of time without permanent damage to the brain and other vital organs. What is this temperature in degrees Celsius? (b) Ethylene glycol is a liquid organic compound that is used as an antifreeze in car radiators. It freezes at 211.5°C. Calculate its freezing temperature in Kelvin and degrees Fahrenheit. (c) The temperature on the surface of the sun is about 6300°C. What is this temperature in degrees Fahrenheit? (d) The ignition temperature of paper is 451°F. What is the temperature in Kelvin and degrees Celsius? SHOT ON MI9T AI TRIPLE CAMERA ©2021 SMPU-Chem. 101 Sec. 3&4-Sem. II 20/21 6.
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