Water can be formed in the following reaction: 2H2 + O2 - > 2H2O. If you have 12 moles of Hydrogen gas (H2), how many moles of Oxygen gas (O2) will you need to make as much water as possible?

(Enter just the number; not the number and units)

In which of the following situations would dipole-dipole forces be significant

A mixture of 0.600 mol bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br2 (g) + I2 (g) 2 IBr (g). When the mixture has come to equilibrium, the concentration of iodine monobromide is 1.190 M.

A mass of 3.6g of magnesium reacts in excess chlorine to form a chloride, if the mass of the chloride is 14.25g, find the formula of the chloride formed

What do scientists do to easily share measurement data they can understand

At 20°C the vapor pressure of dry ice is 56.5 atm. If 10g of dry ice (solid CO2) is placed in an evacuated 0.25 L chamber at a constant 20°C, will all of the solid sublime?

Is the following equation balanced? 2Na + 2H2O = 2NaOH + H2 Yes No

What is the difference between a molecule and a formula unit

Sound is not part of a electromagnetic spectrum because A: Sound is not a type of energy wave B: Sound is not a type of electromagnetic radiation C: Sound does not have a wavelength D: Sound does not have a frequency

Arrange the following in order of increasing bond strength of the carbon oxygen bond: Carbon monoxide < carbonate ion < carbon dioxide carbonate ion < carbon dioxide < carbon monoxide Carbon dioxide < carbon monoxide < carbonate ion Carbon monoxide

Which substance is the most soluble at 28°C?