An igneous rock originally has 4 grams of uranium-238 in it. when dated, the rock only contains 2.4
grams. what are the parent and daughter concentrations (in percentages) and what is its age?

Asample of gas occupies 17 ml at –112°c. what volume does the sample occupy at 70°c a. 10.6 ml b. 27 ml c. 36 ml d. 8.0 ml you

Remember to use the proper number of significant figures and leading zeros in all calculations. gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

How can parts of a solution be separated by chromatography?