In a lab a student hand an unknown mineral with a mass of 6.1 grams, and a volume of 3.1 ml. What is the density of the unknown mineral? Note: You only have to fill in the numerical answer.

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

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.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line