A 15 g piece of metal at 1450 K is added to 500 g of water at 300 K. The final temperature is 303 K. What was the metal’s specific heat?

What is the chemical formula of the following compound

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?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?