What is an alloy? (this is for apex chem 2)

a. a combination of a metal with another element

b. a layering of one metal over another metal

c. a metal with a changed oxidation state

d. a substitution of one metal for another metal

Fe (NO3) 2 not sure how to get the oxidation numbers of all elements

A design team has come out with four different plans for building a bridge across a small stream. What is the quickest and most economical way of picking the right plan?

How many milliliters are in 17.5 l? 175 ml 1.75 x 10-2 ml 1.75 x 103 ml 1.75 x 104 ml?

What is deoxyribonucleic acid, the name for DNA? It describes where DNA lives in the cell. It describes the structure of DNA. none of the above all of the above

The pH of a solution is measured to be pH=10. What is true of this solution? a. The solution is a base. b. The solution is neutral. c. The solution is an acid. d. The solution is neither an acid or a base.

C2H6 (g) + O2 (g) → CO2 (g) + H2O (g) (not balanced) Determine the number of liters of CO2 formed at STP when 240.0 grams of C2H6 is burned in excess oxygen gas?

What type of change is baking a cake? Why?

The van der Waals forces of attraction between molecules always become stronger as molecular size 1) decreases, and the distance between the molecules increases 2)) increases, and the distance between the molecules decreases 3) decreases, and the

Which civilization formed a confederation thay may have impacted the us government A. Powhatan B. Algonquian C. Iroquois D. Anasazi

Jasmine breathed against the window pane and noticed that her breath made a spot on it from the water vapor in her breath. Which stage of the water cycle does this show? A. precipitation B. evaporation C. condensation D. transpiration