A balloon is inflated with 2.42 L of helium at a temperature of 27 degrees celsius. Later, the volume of the balloon has changed to 2.37 L at a temperature of 19 degrees celsius and a pressure of 99.7 kPa. What was the pressure when the balloon was inflated?

Which of these conditions most likely produces an unstable isotope?

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon