Given the reaction: HSO4–(aq) + NH3(g) --> NH4+(aq) + SO42–(aq), which statement best describes the action of NH3(g) in the reaction?

Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

What is the predicted change in the boiling point of water when 1.50 g of barium chloride is dissolved in 1.50 kg of water?