What do nonmetals usually do in a chemical reaction?
a. they usually lose electrons.
b. they usually form negative ions.
c. they usually react with metalloids.
d. they usually bind to other nonmetals.?

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?