CHEMISTRY, PLEAS HELPPP! A solution that is 0.017 M in Na+ can be prepared by adding how many grams of Na2SO4
(MW 142 g) to water and diluting to a final
volume of 130.0 mL?
1. 0.16 g
2. 0.0062 g
3. 62 g
4. 0.00016 g
5. 0.31 g

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.