The density of aluminum foil is 0.789 g/cm3. Calculate the mass of 10.0 cm3 of aluminum foil. Show work, use proper sig figs and units

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

Find the mass, in grams, of 5.00*10^23 molecules of f2