Given that U is a function of T and V, That is U(T, V), derive the following expression from first principle = + [ ( ) − ] Where U is the internal energy of the system, and all other variables have the usual meaning

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

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)

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent