Earth systems can interact quickly or over long periods of time. Give an example of how Earth can change quickly and an example of how it changes slowly. Describe how Earth's systems interact in these changes.​

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

Explain what happens at the saturation point when adding salt to water at room temperature.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.