A balloon is filled with 3.60 L of H2 gas at STP. If the balloon is
taken into a sea where the pressure is 2.50 atm and the
temperature is 10.00 °C, what is the new volume of H2 gas in
liters? L

Which of these conditions most likely produces an unstable isotope?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

What is the value of keq for the reaction expressed in scientific notation?