A metal cube of a pure substance with a volume of 15.5cm³ has a mass of 69.9g. What is the identity of the substance? (Hint: density is an intrinsic property). A) Fe
B) Ti
C) Cr
D) Al

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

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)

Determine the reaction and balance the following equations urgent due in the morning