When an iron nail is ground into powder, its mass is
a. stays the same,
b. decreases,
c. increases,
d. cannot be determined?

What is the formula for calcium iodide

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius