How many moles are 7.6 x 1024 atoms of Helium?

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.

Iput 40 points on !i need an a or my mom is gonna kill me! 1. what three characteristics does grain perfect fabric have? 2. what do you need to know to identify your pattern layout on the guide sheet? 3. define: pressing 4. define: interfacing 5. define: design seam 6. when should you preshrink your fabric?