What is a delta? how is delta formed?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?

What methods could you use to solubilize calcium carbonate