The table below shows the dimensions of two colored cubes. Dimensions of Cubes
Cube Side (cm) Mass (g)
Red 4 12
Green 3 10

Which cube is denser?
Red, because it has more volume and more amount of matter.
Green, because it has less volume and less amount of matter.
Red, because it has less volume and more amount of matter.
Green, because it has less volume and more amount of matter.

Find the mass in grams of hydrogen gas produced when 14.0 moles of hcl is added to an excess amount of magnesium.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Are oil and water a mixture or solution