2Al + 6HCl → 2AlCl3 + 3H2 If 3.0 grams of H2 were produced, how many grams of Al reacted? (Molar mass of Al = 27 g/mol, molar mass of H2 = 2.0 g/mol) ___ grams

Nuclear power plants use uranium, a nonrenwable resource, for fuel

Assuming the gas is at standard temperature and pressure, how many milliliters make up. 073 moles of carbon dioxide?

A student used a 10 ml volumetric pipet to measure and deliver an unknown liquid to a flask for density determination. the student forced all of the liquid out of the pipet with the bulb.

What volume will 1.27 moles of helium gas occupy at stp

1.5L of water is boiled to steam at a temperature of 100°C and creates 3.5atm of pressure on the container. How many moles of steam is present?

Energy leaves the sun as light from a region called the?

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors

How many moles are in 16.94g of water?

Two compound samples are found to have the same mass percentages of the same elements. what can you conclude about the two samples