Density of substance at 0°C is g/cc and 100°C, its density is 9.7g/cc. The coefficient of linear expansion of the substance is? a) 10-1 b) 10-2 c) 10-3 d) 10-4
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Density of substance at 0°C is g/cc and 100°C, its density is 9.7g/cc. The coefficient of linear expansion of the substance is?
a) 10-1
b) 10-2
c) 10-3
d) 10-4
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- 11:0710. What is the final length of a 1 m brass rod if it starts at 20°C and is heated to 100°C? The coefficient of linear expansion for brass is 19 x 10-6 (°C-¹).9) The nutritional information on a cereal box shows that one serving of a dry cereal has 200 kilocalories. If one were to burn one serving of the cereal, the amount of heat given off would be sufficient to raise the temperature of 20 kg of water how many degrees Celsius? A) 0.2°C B) 1.0°C C) 2.0°C D) 10.0°C E) 20.0°C Answer: D Topic: Concept 3.2 Skill: Application/Analysis
- Question help41) An ideal gas occupies 1 Liter at 25°C. At what temperature will it occupy 5 Liter The pressure is constant? A) 25°C B) 75°C C) 125°C |D) 175°CCoefficients of Thermal Expansion COEFFICIENT OF LINEAR EXPANSION (x10°C-¹) SUBSTANCE Aluminum Brass Concrete Copper Glass (window) Glass (Pyrex) Granite Ice Lead Steel or iron Ethyl alcohol Gasoline Mercury Water Antifreeze Air & most gases 24 19 10-14 17 9.0 3.3 8.3 50 27 12 COEFFICIENT OF VOLUME EXPANSION (x10 °C-¹) 1100 950 182 210 108 3400