How do you make quesadillas?

Ia a iron nail a physical state

Which atom will have unpaired 3d electrons? Zn, Fe, Ca or Ge

What mass of hydrogen is produced when 49.0 grams of sodium reacts with 30.0 grams of water

A sample of nitrogen gas (N2) containing 1.5 x10^23 particles has the same number of particles as a sample containing: A. 0.50 moles Ne B. 2.0 moles He C. 1.0 moles hydrogen gas D. 25 moles oxygen gas

Why does ice float after it crystallizes? Its mass is greater than water. Its density is greater than water. Its density is less than water. Air trapped in ice causes it to float.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements

A 5.00L reaction vessel is filled with 1.00mol of H2, 1.00mol of I2, and 2.50mol of HI. If equilibrium constant for the reaction is 129 at 500k, what are the equilibrium concentrations of all species?

Which of the following is true about glass recycling?

Describe why granulated sugar will dissolve faster in a cup of coffee than sugar cubes.