A student is trying to identify an unknown mineral sample. The sample has a mass of 150 g and displaces 30 mL of water. Which mineral does the student have

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Why is the melting of ice a physical change ?

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes