A student prepares a mixture of sugar and coffee. The sugar seems to disappear as it mixes with the coffee.

Is this mixture homogeneous or heterogeneous?

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?