At constant pressure, 492 ml of a gas at 31.00c is heated and the volume expands to 876ml. what is the new temperature in kelvin?
a) 171 k
b) 291 k
c) 328 k
d) 541 k

An astronaut on the moon throws a baseball upward. the asatronaut is 6ft, 6in. tall, and the initial velocity of the ball is 30ft per second. the heigh s of the ball in feet is given by the equation s = -2.7^2 + 30t + 6.5, where t is the number of seconds after the ball was thrown. after how many seconds is the ball 16ft above the moon's surface?