Discover Questions

What is the pH of a 0.337 M solution of
NH4NO3? The ionization constant of the
weak base NH3 is 1.8 × 10−5
.? How to convert 1 cm^3 to um^3 . My answer is 1x 10^12 .? Evaluate the algebraic expression for the indicated values. Express the final answer to the nearest tenth.
πr2 , π = 3.14 and r = 1.2? If a sled with a mass of 33 kg Is to accelerate at 2 m/s^2, what net force is needed? When I hear a noise I was not expecting my ear moves to the direction the sound came from. Can anyone help explain why?