4. Just before a thunderstorm, a student fills a balloon with a volume of 22.4 Liters of Helium at temperature of 24.5 °C and 0.97 atm of pressure. Determine how many moles of Helium are contained in the balloon.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Which element would mostly likely have an electron affinity measuring closest to zero

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration