How many grams of glycerol must be added to 430.g of water to lower the vapor pressure 1.40 mm Hg at 25°C? The vapor pressure of water at 25 °C is 23.8mm Hg, and the molar mass of glycerol is 92.09 g/mol.

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

What produces wave a)sound b) heats c)transfer of energy d)vibrations