Questions from General Chemistry

Q: Consider the following chemical equation: N2(g) +

Consider the following chemical equation: N2(g) + 3H2(g) 2NH3(g) What volumes of nitrogen gas and hydrogen gas, each measured at 11 °C and 0.998 atm, are needed to produce 5.00...

Q: Discuss the similarities and differences between the arrangements of molecules and the

Discuss the similarities and differences between the arrangements of molecules and the forces between molecules in liquid water versus steam, and in liquid water versus ice.

Q: The following demonstration takes place in a two-step process:

The following demonstration takes place in a two-step process: First, solid calcium carbide (CaC2) reacts with liquid water to produce acetylene gas (C2H2) and aqueous calcium hydroxide. Second, the a...

Q: Consider the following unbalanced chemical equation: Cu2S(s)

Consider the following unbalanced chemical equation: Cu2S(s) + O2(g) Cu2O(s) + SO2(g) What volume of oxygen gas, measured at 27.5 °C and 0.998 atm, is required to react with...

Q: When sodium bicarbonate, NaHCO3(s), is heated, sodium

When sodium bicarbonate, NaHCO3(s), is heated, sodium carbonate is produced, with the evolution of water vapor and carbon dioxide gas. 2NaHCO3(s) / Na2CO3(s) + H2O(g) + CO2(g) What total volume of ga...

Q: What volume does 35 moles of N2 occupy at STP?

What volume does 35 moles of N2 occupy at STP?

Q: A sample of oxygen gas has a volume of 125 L at

A sample of oxygen gas has a volume of 125 L at 25 °C and a pressure of 0.987 atm. Calculate the volume of this oxygen sample at STP.

Q: Consider the flasks in the following diagrams. /

Consider the flasks in the following diagrams. a. Which is greater, the initial pressure of helium or the initial pressure of neon? How much greater? b. Assuming the connecting tube has negligible...

Q: What volume of CO2 measured at STP is produced when 27.

What volume of CO2 measured at STP is produced when 27.5 g of CaCO3 is decomposed? CaCO3(s) / CaO(s) + CO2(g)

Q: Concentrated hydrogen peroxide solutions are explosively decomposed by traces of transition metal

Concentrated hydrogen peroxide solutions are explosively decomposed by traces of transition metal ions (such as Mn or Fe): 2H2O2(aq) 2H2O(l) + O2(g) What volume of pure O2(g)...