An example of checmial weathering is when exposed to air a rock containing iron turns red true or false

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.