How much heat is required to raise the temperature of 40 grams of aluminum from 25 degree Celsius to 85 degree Celsius

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.