How many grams of sodium oxide can be synthesized from 17.4 g of sodium? assume that more than enough oxygen is present. the balanced equation is: 4na (s) + o2 (g) → 2na2o (s) ?

How many grams of iron metal do you expect to be produced when 305 grams of a 75.5 percent by mass iron (II) nitrate solution react with excess aluminum metal? Show all of the work needed to solve this problem.

Which of the following is a compound machine? A. Bicycle B. Ramp C. Knife D. Screw

1) which of the following is the general equation for a synthesis reaction? A) AB->A+B B) A+B->AB C) A+BC->B+AC D) AB+CD-> AD+BC 2) which of the following takes place during a redox reaction? A) Electrons are gained only. B) Electrons are lost only.

According to Le Châtelier's principle, what would happen to a system at equilibrium if more of one compound in a reaction were added?

Convert to volume: 3.01 x 1023 molecules of SO2

What is the total number of electrons shared in a double covalent bond between two atoms? (1) 1 (3) 8 (2) 2 (4) 4

Which method separates mixtures according to the rates their components travel through a material? yhaoo answers?

How many protons are in the nucleus of the isotope in-115?

Explain why gas is condensed when they're cooled

Rutherford's famous gold foil experiments shot heavy particles at a thin sheet of gold foil. What did he observe, and why did these observations eventually result in the addition of a nucleus to the atomic model?