5. How many grams of H2O are required to convert 25 moles of SiF4 to SiO2?

What is the chemical equation from table salt made from baking soda

How many pizzas will you need if 32 people eat 3 slices per person and there are 8 slices per pizza

How do chromosomes mutations occur

8. A student performing an investigation of chemical reactions mixes two aqueous solutions and observes a change in color.

Sodium thiosulfate, na2s2o3, is used as a "fixer" in black and white photography. identify the reducing agent in the reaction of thiosulfate with iodine. 2s2o32 - (aq) + i2 (aq) → s4o62 - (aq) + 2i - (aq)

How is the ocean important to human survival? restate the question

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

What ecosystem is being described in the passage?

In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? a.

How do acids and bases affect the quality of freshwater sources?