Acompound is found to contain 50.05% sulfur and 49.95% oxygen by mass. what is the empirical formula for this compound? what is the empirical mass of that compound? answer using four significant figures.

__ _ _ _ _ is the process of removing earth materials from their original sites through weathering and transport and depositing the in another location. a. erosion b. sedimentation c. lithification d. dissolution

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?