Balance the following by filling in the blank with the correct coefficient: Make sure to reduce the coefficients, if needed. Do not leave blank if your answer is 1. _ C2H6+ _ Cl2_CCl4__ HCl​

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

The half-life of a certain element is 100 days. how many half-lives will it be before only one eighth of this elementremains?

372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams