Which one is not required for reaction of nitrogen with hydrogen to form ammonia gas?

1. uv light 2. high pressure

3. high temperature 4. iron catalyst

A beaker with 1.80*102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.50 mL of a 0.470 M HCl solution to the beaker.

What happens if you fail a quarter in high school, does that credit not count anymore? and do i have to retake the class if i pass the other 3 quaters

Which term is the maximum amount of a solute that dissolves in a given amount of solvent at a constant temperature? A) Solubility B) Concentration C) Degree of saturation

Which of the following contains polyatomic ion? Oa BeHCO Ob PCI Ag! Mgs

Identify the element that has a ground state electronic configuration of [ar]4s23d104p 6

What is the equivalent mass of HBr in a complete neutralization reaction?

What would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium and chlorine?

How can you tell if a electron configuration is ground state or excited state?

Which statement correctly describes the electrons in a water molecule? Electrons are pulled closer to the hydrogen atoms. Electrons are pulled closer to the oxygen atom. Electrons are located inside the nucleus of the hydrogen atoms.

Which type of rock (metamorphic, sedimentary, igneous) can you find fossils in?