Which of the following challenges poses the biggest problem to the long term use of alternative fuels

Ammonia is produced from the reaction of nitrogen and hydrogen according to the following balanced equation: N2 (g) + 3H2 (g) ? 2NH3 (g) 1. What is the maximum mass of ammonia that can be produced from a mixture of 163.3 g of N2 and 38.

Hydrazine (N2H4) and dinitrogen tetroxide (N2O4) form a self-igniting mixture that has been used as a rocket propellant. The reaction products are N2 and H2O. 1. Write a balanced chemical equation for this reaction. 2.

What do the dots around a symbol in a lewis structure represent? a. shared electrons b. valence electrons c. s orbital electrons d. bonding electrons

Two kinds of rock that are easily weathered by carbonic acid

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has (1) more protons than neutrons (2) more neutrons than protons (3) a total of two valence electrons (4) a total of eight valence

according to the third law if a football player hits another player with an action force of 1500n how much will the reaction force be

Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be 200. ml of a 0.033 m hcl solution. what mass of nahco3 would he need to ingest to neutralize this much hcl

Which of the answer choices best describes elements? a. homogenous mixtures b. always solid c. very dense d. pure substances

Why this chemical equation 3P4 + 10O2 = 4P2O5 + P4 is wrong?

Where is the genetic code located again in the dna molecule again?