An object has a density of 20 g/cm3. When placed in a cylinder, it displaces 5 mL of water. What is the mass of the object?

A) 0.25 g

B) 4.0 g

C) 100.0 g

Calculate the density (in g/mL) of a liquid that has a mass of 0.115g and a volume of 0.000265 L

Consider just the first sentence of this multistep word problem. Sentence 1: The sum of the ages of a brother and sister is 26. Give an equation that represents this statement using b as the age of the brother and s as the age of the sister.

What mass of oxygen forms from 71.89 g CO2? Use the periodic table to find molar masses. 71.89 g CO2 = g O2

What function does the skull serve for the skeleton? A. movement B. protection C. support D. height

What is an expression of Avogadro's law (k = constant) ? a. PV = nRT b. V/T = k c. V = kn d. PV=k

How is oxygen separated from other substances nearby?

What is the definition of solution in chemistry

One important difference between covalent and ionic bonds is that a. in covalent bonds two atoms share electrons, whereas in ionic bonds one atom gives one or more electrons to the other atom. b.

When u mix oxygen and nitrogen together what do u end up with?

What kind of element forms covalent bonds? Give two reasons why.