How many moles of magnesium is 1.25 x 1023 atoms of magnesium?

3.52 L of a gas is a STP. Researchers compress this gas to 1.24 L. What is the new pressure of the gas?

Why was acetic anhydride used as the solvent in the conversion of trityl alcohol to trityl tetrafluoroborate?

Balance each equation by entering the correct coefficients. CO2 1. 2. SiO2 + NH3 + CaC2- O2- Si + NO + Cao + H2O

In the laboratory you dissolve 15.9 g of barium chloride in a volumetric flask and add water to a total volume of 375 ml. what is the molarity of the solution

Which type of protein stayed only on the surface of the plasma membrane A. Peripheral B. Transmembrane C. Integral D. Exterior

Why do they put flexible connections in the road on a bridge? Put it into five complete sentences

Why should you avoid wearing baggy clothes in the lab?

A student performs the following procedure: Procedure 1. Measure 25 grams of an unknown solid. 2. Measure 200 grams of water. 3. Pour the unknown solid and water into beaker, which weighs 50 grams. 4. Stir the solution.

When water is warm it will: * allow for solids and gases to dissolve easier make it harder for solids and gases to easily dissolve allow for gases to dissolve easier, but make it harder for solids to dissolve allow for solids to dissolve easier, but

If you drink at 2am can you pass a drug test at 6pm