How many grams of KNO3 are needed to make 0.75 liters of a 2.0 M solution?

A student is quickly pipetting 129ul water and observes many bubbles in the tip. You as the second student demonstrate the correct order of steps: 1. In order to prevent bubbles, slowly let go off your thumb and release the pushbutton to aspirate. 2.

Where is the crust thicker oceans or continents

Which criteria determine whether a heterogeneous mixture is a colloid or a suspension? a) whether its composition is uniform and transparent b) whether the particles do not settle for an extended period of time c) whether the ratio of components is

Write a generic equation that can be used to convert the mass of a substance to volume using density.

what is a beta particle?

True or False: The halogens are nonmetals with a - 1 charge. True False

The first ionization energy of polonium, Po, is 812 kJ/mol. Is the first ionization energy of Lv expected to be greater than, less than, or equal to that of Po? Justify your answer in terms of Coulomb's law.

How much of sliver metal will weight exactly 2500.0

Which of these is a covalent compound? A. MgO B. CO C. LiCl D. AlCl3

The speed of light is 3.00*108m/s. How long does it take for light to travel from Earth to the Moon and back again?