What type of reaction occurs when reactants absorb heat energy to form products?
a. endothermic
b. exothermic
c. acid-base
d. nuclear

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

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)

When a septic tank backs up a goes in to clean it out