At 10°C, the gas in a cylinder has a volume of 0.250 L. The gas is allowed to expand to 0.285 L. What must the final temperature be for the pressure to remain constant? (Hint °C + 273 = K.)

282 K

284 K

323 K

248 K

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How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than