How many moles of Hydrogen gas is formed when 6.75 mol of ammonia decomposes according to the following balanced equation: 2 NH3 (g) - > 3H2 (g) + N2 (g)

What does a subscript mean in the formula of an ionic compound?

What is the formula of Barium Carbonate?

When hydrocarbons are burned in a limited amount of air, both CO and CO2 form. When 0.430 g of a particular hydrocarbon was burned in air, 0.446 g of CO, 0.700 g of CO2, and 0.430 g of H2O were formed. Required: a.

How fast do you think the air particles in this room are moving compared to a car going 50 mph (about 22m/s) ? Put your answer is in the form, 'a molecule travels ___ as fast as a car"

What is the mass of a neutron?

What has formed as a result of hotspots? A. The Mid-Atlantic Ridge B. Mount St. Helens C. The San Andres Fault D. The Hawaiin Islands

Which is the molar mass of Calcium?

Which statement best describes the nature of science? Science discoveries using the latest technology are the most valuable. Scientific theories and laws are based on beliefs and popular opinion.

vanadium has an atomic mass of 50.9415 amu. it has two common isotopes. one isotopes has a mass of 50.9440 amu and a relative abundance of 99.75%.

Which of the following could a magnet float over? A. A network solid B. A molecular solid C. A semiconductor D. A superconductor