Identify the three "must-haves" of collision theory.

particles collide in the right orientation

enough kinetic energy for reaction to occur

enough particles for reaction to occur

enough space for particles to maneuver

What's the most important factor in determining an elements place in the periodic table?

5 sentences about industries

What mass of ammonium sulfate ((NH4) 2SO4 132.15 g/mol) is required to produce 282 mL of a 2.50M solution of ammonium sulfate?

Circle the atom with the largest atomic radius in each group

In a classroom which comparison would a teacher most likely use when comparing a mole

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line

63Ni decays by a first-order process via the emission of a beta particle. The 63Ni isotope has a half-life of 100. years. How long will it take for 65% of the nickel to undergo decay?

Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? A. 2C (s) + H2 (g) →C2H2 (g); ΔG∘f=209.2 kJ/molB. N2 (g) + 3H2 (g) →2NH3 (g); ΔG∘f=-33.30 kJ/molC.

How do I find the molar mass of Copper (II) Nitrate?

Describe several main ideas in chemistry