Why are plastic cups good heat insulators

Which of the above solutions could be used to remove lead from lead (II) nitrate? a. Cu b. Hg c. Ag d. Ni

Heat that flows by conduction is the transfer of thermal energy between substances in contact. What must occur for this to happen? The two systems nust be the same temperature. The two systems must not be touching each another.

A chef fills a 50 mL container with 43.5 g of cooking oil. what is the density of the oil?

You have a round pie plate filled with water. you carefully release a drop of red food coloring in the center of the plate. what happens to the red dye molecules right after the drop is placed?

How to convert 2750 mg to g?

How are revolution and year related

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?

What is the oxidation number for CO2

Which is a property of acids in aqueous solutions?