a toy plane weighs 500g. when placed in water, it changes the water level from 250ml to 300ml. what is the density?

A 3.682 g sample of kclo3 is dissolved in enough water to give 375. ml of solution. what is the chlorate ion concentration in this solution?

Which of these is an example of how engineers have affected society? A. Our general understanding of how cancer cells grow and spread B. The use of piers and beams to build a strong foundation for a house C.

Show your work. Write a balanced net ionic equation for the following reaction. H3PO4 (aq) + Ca (OH) 2 (aq) Ca3 (PO4) 2 (aq) + H2O (l)

What is the difference between a pressurized water react door and boiling water reactor A. A pressurized water reactor does not use fission B. A pressurized water reactor boils the water faster C.

20 pts! How does breaking up a solid speed dissolving in a liquid? increases the surface area decreases the surface area decreases the pressure increases the pressure

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.