Acup of cocoa is left on the counter. which best describes how its temperature changes? a) the heat leaves the cup of cocoa b) cold enters the cup of cocoa c) the molecules in the cocoa speed up d) the temperature will not change

How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is the chemical formula for the compound formed between sodium and flour one