Iron-containing minerals in rocks may combine with water and air to create rust. This is an example of A. chemical weathering
B. mechanical weathering
C. abrasion
D. exfoliation

Which of the following statements is true about planck’s law

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

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?