N2 + 3 h2 → 2 nh3. what is the percent yield if 45.5 grams of nh3 is produced upon reaction of 13.0 moles n2 and 29.0 moles h2?

What's the difference between gas and diesel?

A buffer contains 0.020 mol of lactic acid (pKa = 3.86) and 0.100 mol sodium lactate per liter of aqueous solution. a. Calculate the pH of this buffer. b. Calculate the pH after 8.0 mL of 1.

Calculate the delta S rxn at 25 degrees celsius for the reaction 2NH3 (g) - >>N2H4 (g) + H2 (g). Do you know where I can find these values of the S for these compounds?

What is the most complete list of the particle (s) that are located within the nucleus of an atom? protons neutrons and electrons protons and neutrons protons and electrons

What makes a hypothesis testable

John dalton said that all atoms are identical in size and mass. explain why this is incorrect.

Complete each question by choosing or typing in the best answer. Time (seconds) Wavelength (nm) 0.1 2 0.2 2.5 0.3 3 0.4 3.5 0.5 4 0.6 4.5 Nina's measurements, shown in the table here, BEST represent a wave with A) decreasing frequency.

Suggest a mechanism that is consistent with a second order rate law

5. The element copper has naturally occurring isotopes with mass numbers of 63 and 65. The relative abundance and atomie masses are 69.2% and 30.8% respectively. Calculate the average atomic mass of copper,

Determine the hydroxide ion concentration in a solution that is 0.018 m naoh.