Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two solutions are mixed? Select one: a. 0.2 M NaF and 0.1 M HNO3 b. 0.2 M NaNO3 and 0.1 M HNO3 c. None of these d. 0.2 M HF and 0.1 M HNO3 e. 0.2 M NaOH and 0.1 M HNO

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)