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# HW Ch20 - HW Ch 20 Kinetic Theory of Gases Chapter 20...

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HW Ch. 20 Kinetic Theory of Gases Chapter 20: Kinetic Theory of Gases Section 3: Boyle’s and Charles’ gas laws 20.3.1 (5.00) To prepare for a magic trick, a magician squeezes an inflated balloon into a small box of volume 0.0760 m 3 . If the balloon initially had a volume of 0.130 m 3 at an absolute pressure of 1.01×10 5 Pa, and the temperature of the gas inside it does not change, what is the pressure in the balloon after it is squeezed into the box? 1.73e5 (0/6 submissions used) Pa 20.3.2 (5.00) A scuba tank contains 2.83×10 −2 m 3 of compressed air at an absolute pressure of 2.07×10 7 Pa. If all this air is released with no change in temperature, so that it has a pressure of 1.01×10 5 Pa (standard atmospheric pressure), what volume does it occupy? (0/6 submissions used) m 3 Section 4: Avogadro’s number and moles 20.4.1 (5.00) How many molecules are there in 0.047 moles of carbon dioxide gas, CO 2 ? Change from .047 to .017 answer is 1.0e22 need to change (0/6 submissions used) molecules 20.4.3 (5.00) The atomic mass of carbon is 12.0 u and of oxygen is 16.0 u, rounded to 3 significant figures. (a) What is the molecular mass of a carbon dioxide molecule,

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HW Ch20 - HW Ch 20 Kinetic Theory of Gases Chapter 20...

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