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1-An example of a physical property is A) the reaction of rubidium with water to form rubidium hydroxide B) the density of boron C) the burning of sulfur to form sulfur dioxide D) the reaction of cesium with oxygen to form cesium superoxide E) the energy content of liquid sodium

1-An example of a physical property is A) the reaction of rubidium with water to form rubidium hydroxide B) the density of boron C) the burning of sulfur to form sulfur dioxide D) the reaction of cesium with oxygen to form cesium superoxide E) the energy content of liquid sodium

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1-An example of a physical property is A) the reaction of rubidium with water to form rubidium hydroxide B) the density of boron C) the burning of sulfur to form sulfur dioxide D) the reaction of cesium with oxygen to form cesium superoxide E) the energy content of liquid sodium 2-If you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at 200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC. 3-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 4-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 5- Which element has 71 neutrons? a) 222Rn b) 146 Nd c) 159Sm d) 140Ce e) 121Sn 3.9 6- Which of the following is NOT found in the nucleus? a) in b) He c) }H d) -je d) je 7- There are two common ions for gold: Au(1) and Au(III). Which of these would be the Auric ion? a. Au (1) b. Au (1II) c) neither 8- Which one of the following is a BrØnsted -Lowry acid? A) (CH3)3NH+ B) CH3COOH C) HF D) HNO2 E) all of the above 9- How many moles of gas are there in a 50.0 L container at 22.0°C and 825 torr? A) 2.29 x 104 B) 1.70 × 103 C) 2.23 D) 0.603 E) 18.4 5.2 10-The density of NO2 in a 3.50 L tank at 780.0 torr and 37.0°C is 8/L. A) 1.64 B) 9.30 C) 1.86 D) 2.92 E) 3.27
Transcribed Image Text:1-An example of a physical property is A) the reaction of rubidium with water to form rubidium hydroxide B) the density of boron C) the burning of sulfur to form sulfur dioxide D) the reaction of cesium with oxygen to form cesium superoxide E) the energy content of liquid sodium 2-If you have 600 kJ of heat to spend, and you use it to melt lead, how many % ounce wheel weights (at 200C) can you melt? Note that Lead is NOT measured in troy ounces, but proper ones (16 ounces in a pound), the specific heat of lead is 0.13 J/goC and its melting point is 327.5oC. 3-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 4-The written value of 1.0 um means a. 102 m b. 10-2 m c. 106 m d. 10-6 m e. 10-9 m 5- Which element has 71 neutrons? a) 222Rn b) 146 Nd c) 159Sm d) 140Ce e) 121Sn 3.9 6- Which of the following is NOT found in the nucleus? a) in b) He c) }H d) -je d) je 7- There are two common ions for gold: Au(1) and Au(III). Which of these would be the Auric ion? a. Au (1) b. Au (1II) c) neither 8- Which one of the following is a BrØnsted -Lowry acid? A) (CH3)3NH+ B) CH3COOH C) HF D) HNO2 E) all of the above 9- How many moles of gas are there in a 50.0 L container at 22.0°C and 825 torr? A) 2.29 x 104 B) 1.70 × 103 C) 2.23 D) 0.603 E) 18.4 5.2 10-The density of NO2 in a 3.50 L tank at 780.0 torr and 37.0°C is 8/L. A) 1.64 B) 9.30 C) 1.86 D) 2.92 E) 3.27
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