Which of these substances are elements?

quartz

water

iodine

lead

silicon

silicone

A solution is prepared by dissolving 60.0 g of sucrose, C12H22O11, in 250. g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.76 mm Hg?

A gas sample of Xe occupies 10-liter balloon at 27 degrees C under a pressure of 1.2 atm. Approximately what volume would the gas occupy at 350 K and 2 atm of pressure? A. 7 liters B. 9 liters C. 13 liters D. 18 liters

60 g of HCL will make how many L of 2.5M HCL? (Molar Mass of HCL = 36.5g/mol)

If you pour hot soup into a bowl, and the bowl stays cool to the touch, you can assume that

My chemistry assignment is about volumetric analysis and titration. What topic would be best to do the titration for?

Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in order to fill their octets. B) two atoms give up their electrons in order to form a bond.

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?

How do I convert 4,500mm to a m